diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -4205,16 +4205,17 @@
 
 // PowerPC-32
 namespace {
-/// PPC32_SVR4_ABIInfo - The 32-bit PowerPC ELF (SVR4) ABI information.
-class PPC32_SVR4_ABIInfo : public DefaultABIInfo {
+/// PowerPC32ABIInfo - The 32-bit PowerPC ABI information. Used by: PowerPC ELF
+/// (SVR4), Darwin, and AIX.
+class PowerPC32ABIInfo : public DefaultABIInfo {
   bool IsSoftFloatABI;
   bool IsRetSmallStructInRegABI;
 
   CharUnits getParamTypeAlignment(QualType Ty) const;
 
 public:
-  PPC32_SVR4_ABIInfo(CodeGen::CodeGenTypes &CGT, bool SoftFloatABI,
-                     bool RetSmallStructInRegABI)
+  PowerPC32ABIInfo(CodeGen::CodeGenTypes &CGT, bool SoftFloatABI,
+                   bool RetSmallStructInRegABI)
       : DefaultABIInfo(CGT), IsSoftFloatABI(SoftFloatABI),
         IsRetSmallStructInRegABI(RetSmallStructInRegABI) {}
 
@@ -4235,7 +4236,7 @@
 public:
   PPC32TargetCodeGenInfo(CodeGenTypes &CGT, bool SoftFloatABI,
                          bool RetSmallStructInRegABI)
-      : TargetCodeGenInfo(std::make_unique<PPC32_SVR4_ABIInfo>(
+      : TargetCodeGenInfo(std::make_unique<PowerPC32ABIInfo>(
             CGT, SoftFloatABI, RetSmallStructInRegABI)) {}
 
   static bool isStructReturnInRegABI(const llvm::Triple &Triple,
@@ -4251,7 +4252,7 @@
 };
 }
 
-CharUnits PPC32_SVR4_ABIInfo::getParamTypeAlignment(QualType Ty) const {
+CharUnits PowerPC32ABIInfo::getParamTypeAlignment(QualType Ty) const {
   // Complex types are passed just like their elements
   if (const ComplexType *CTy = Ty->getAs<ComplexType>())
     Ty = CTy->getElementType();
@@ -4275,7 +4276,7 @@
   return CharUnits::fromQuantity(4);
 }
 
-ABIArgInfo PPC32_SVR4_ABIInfo::classifyReturnType(QualType RetTy) const {
+ABIArgInfo PowerPC32ABIInfo::classifyReturnType(QualType RetTy) const {
   uint64_t Size;
 
   // -msvr4-struct-return puts small aggregates in GPR3 and GPR4.
@@ -4305,9 +4306,10 @@
 
 // TODO: this implementation is now likely redundant with
 // DefaultABIInfo::EmitVAArg.
-Address PPC32_SVR4_ABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAList,
-                                      QualType Ty) const {
-  if (getTarget().getTriple().isOSDarwin()) {
+Address PowerPC32ABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAList,
+                                    QualType Ty) const {
+  if (getTarget().getTriple().isOSDarwin() ||
+      getTarget().getTriple().isOSAIX()) {
     auto TI = getContext().getTypeInfoInChars(Ty);
     TI.second = getParamTypeAlignment(Ty);
 
@@ -4468,6 +4470,12 @@
   case CodeGenOptions::SRCK_OnStack: // -maix-struct-return
     return false;
   case CodeGenOptions::SRCK_InRegs: // -msvr4-struct-return
+    // TODO: Remove this error once we confirm that this does the correct thing
+    // on AIX.
+    if (Triple.isOSAIX()) {
+      llvm::report_fatal_error("-msvr4-struct-return not supported on AIX");
+      return false;
+    }
     return true;
   }
 
@@ -4477,9 +4485,8 @@
   return false;
 }
 
-bool
-PPC32TargetCodeGenInfo::initDwarfEHRegSizeTable(CodeGen::CodeGenFunction &CGF,
-                                                llvm::Value *Address) const {
+bool PPC32TargetCodeGenInfo::initDwarfEHRegSizeTable(
+    CodeGen::CodeGenFunction &CGF, llvm::Value *Address) const {
   // This is calculated from the LLVM and GCC tables and verified
   // against gcc output.  AFAIK all ABIs use the same encoding.
 
@@ -4510,6 +4517,11 @@
 
   // 109: vrsave
   // 110: vscr
+  AssignToArrayRange(Builder, Address, Four8, 109, 110);
+  // AIX does not have SPE registers so we don't set 111 - 113.
+  if (getABIInfo().getTarget().getTriple().isOSAIX())
+    return false;
+
   // 111: spe_acc
   // 112: spefscr
   // 113: sfp
diff --git a/clang/test/CodeGen/aix-vararg.c b/clang/test/CodeGen/aix-vararg.c
new file mode 100644
--- /dev/null
+++ b/clang/test/CodeGen/aix-vararg.c
@@ -0,0 +1,39 @@
+// REQUIRES: powerpc-registered-target
+// REQUIRES: asserts
+// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -emit-llvm -o - %s | FileCheck %s --check-prefix=32BIT
+
+void aix_varg(int a, ...) {
+  __builtin_va_list arg;
+  __builtin_va_start(arg, a);
+  __builtin_va_list arg2;
+  __builtin_va_arg(arg, int);
+  __builtin_va_copy(arg2, arg);
+  __builtin_va_end(arg);
+  __builtin_va_end(arg2);
+}
+
+  // 32BIT:       define void @aix_varg(i32 %a, ...)
+  // 32BIT-NEXT:  entry:
+  // 32BIT-NEXT:    %a.addr = alloca i32, align 4
+  // 32BIT-NEXT:    %arg = alloca i8*, align 4
+  // 32BIT-NEXT:    %arg2 = alloca i8*, align 4
+  // 32BIT-NEXT:    store i32 %a, i32* %a.addr, align 4
+  // 32BIT-NEXT:    %arg1 = bitcast i8** %arg to i8*
+  // 32BIT-NEXT:    call void @llvm.va_start(i8* %arg1)
+  // 32BIT-NEXT:    %argp.cur = load i8*, i8** %arg, align 4
+  // 32BIT-NEXT:    %argp.next = getelementptr inbounds i8, i8* %argp.cur, i32 4
+  // 32BIT-NEXT:    store i8* %argp.next, i8** %arg, align 4
+  // 32BIT-NEXT:    %0 = bitcast i8* %argp.cur to i32*
+  // 32BIT-NEXT:    %1 = load i32, i32* %0, align 4
+  // 32BIT-NEXT:    %2 = bitcast i8** %arg2 to i8*
+  // 32BIT-NEXT:    %3 = bitcast i8** %arg to i8*
+  // 32BIT-NEXT:    call void @llvm.va_copy(i8* %2, i8* %3)
+  // 32BIT-NEXT:    %arg3 = bitcast i8** %arg to i8*
+  // 32BIT-NEXT:    call void @llvm.va_end(i8* %arg3)
+  // 32BIT-NEXT:    %arg24 = bitcast i8** %arg2 to i8*
+  // 32BIT-NEXT:    call void @llvm.va_end(i8* %arg24)
+  // 32BIT-NEXT:    ret void
+  // 32BIT-NEXT:  }
+  // 32BIT:         declare void @llvm.va_start(i8*)
+  // 32BIT:         declare void @llvm.va_copy(i8*, i8*)
+  // 32BIT:         declare void @llvm.va_end(i8*)
diff --git a/clang/test/CodeGen/ppc-dwarf.c b/clang/test/CodeGen/ppc-dwarf.c
new file mode 100644
--- /dev/null
+++ b/clang/test/CodeGen/ppc-dwarf.c
@@ -0,0 +1,243 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm %s -o - | FileCheck %s --check-prefix=PPC64
+// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -emit-llvm  %s -o - | FileCheck %s --check-prefix=AIX32
+static unsigned char dwarf_reg_size_table[1024];
+
+int test() {
+  __builtin_init_dwarf_reg_size_table(dwarf_reg_size_table);
+
+  return __builtin_dwarf_sp_column();
+}
+
+// CHECK-LABEL: define signext i32 @test()
+// PPC64:       store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 0), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 1), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 2), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 3), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 4), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 5), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 6), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 7), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 8), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 9), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 10), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 11), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 12), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 13), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 14), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 15), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 16), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 17), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 18), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 19), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 20), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 21), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 22), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 23), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 24), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 25), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 26), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 27), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 28), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 29), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 30), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 31), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 32), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 33), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 34), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 35), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 36), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 37), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 38), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 39), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 40), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 41), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 42), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 43), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 44), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 45), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 46), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 47), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 48), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 49), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 50), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 51), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 52), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 53), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 54), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 55), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 56), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 57), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 58), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 59), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 60), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 61), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 62), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 63), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 64), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 65), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 66), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 67), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 68), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 69), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 70), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 71), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 72), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 73), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 74), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 75), align 1
+// PPC64-NEXT:  store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 76), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 77), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 78), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 79), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 80), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 81), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 82), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 83), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 84), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 85), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 86), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 87), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 88), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 89), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 90), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 91), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 92), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 93), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 94), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 95), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 96), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 97), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 98), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 99), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 100), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 101), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 102), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 103), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 104), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 105), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 106), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 107), align 1
+// PPC64-NEXT:  store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 108), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 109), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 110), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 111), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 112), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 113), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 114), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 115), align 1
+// PPC64-NEXT:  store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 116), align 1
+// PPC64-NEXT:  ret i32 1
+
+
+// AIX32:      store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 0), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 1), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 2), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 3), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 4), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 5), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 6), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 7), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 8), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 9), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 10), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 11), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 12), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 13), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 14), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 15), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 16), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 17), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 18), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 19), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 20), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 21), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 22), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 23), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 24), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 25), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 26), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 27), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 28), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 29), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 30), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 31), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 32), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 33), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 34), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 35), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 36), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 37), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 38), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 39), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 40), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 41), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 42), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 43), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 44), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 45), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 46), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 47), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 48), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 49), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 50), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 51), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 52), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 53), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 54), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 55), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 56), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 57), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 58), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 59), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 60), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 61), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 62), align 1
+// AIX32-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 63), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 64), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 65), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 66), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 67), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 68), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 69), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 70), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 71), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 72), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 73), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 74), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 75), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 76), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 77), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 78), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 79), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 80), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 81), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 82), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 83), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 84), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 85), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 86), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 87), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 88), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 89), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 90), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 91), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 92), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 93), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 94), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 95), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 96), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 97), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 98), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 99), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 100), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 101), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 102), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 103), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 104), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 105), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 106), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 107), align 1
+// AIX32-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 108), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 109), align 1
+// AIX32-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i32 0, i32 110), align 1
+// AIX32-NEXT: ret i32 1
diff --git a/clang/test/CodeGen/ppc32-struct-return.c b/clang/test/CodeGen/ppc32-struct-return.c
--- a/clang/test/CodeGen/ppc32-struct-return.c
+++ b/clang/test/CodeGen/ppc32-struct-return.c
@@ -15,6 +15,8 @@
 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
 // RUN: %clang_cc1 -triple powerpc-unknown-openbsd -msvr4-struct-return \
 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
+// RUN: not %clang_cc1 -triple powerpc-ibm-aix-xcoff -msvr4-struct-return \
+// RUN:   -emit-llvm -o - %s 2>&1 | FileCheck %s --check-prefix=AIX-SVR4
 
 typedef struct {
 } Zero;
@@ -47,6 +49,9 @@
   char c[9];
 } Nine;
 
+
+// AIX-SVR4: fatal error: error in backend: -msvr4-struct-return not supported on AIX
+ 
 // CHECK-AIX-LABEL: define void @ret0(%struct.Zero* noalias sret {{[^,]*}})
 // CHECK-SVR4-LABEL: define void @ret0()
 Zero ret0(void) { return (Zero){}; }
diff --git a/clang/test/CodeGen/ppc64-dwarf.c b/clang/test/CodeGen/ppc64-dwarf.c
deleted file mode 100644
--- a/clang/test/CodeGen/ppc64-dwarf.c
+++ /dev/null
@@ -1,128 +0,0 @@
-// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -emit-llvm %s -o - | FileCheck %s
-static unsigned char dwarf_reg_size_table[1024];
-
-int test() {
-  __builtin_init_dwarf_reg_size_table(dwarf_reg_size_table);
-
-  return __builtin_dwarf_sp_column();
-}
-
-// CHECK-LABEL: define signext i32 @test()
-// CHECK:      store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 0), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 1), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 2), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 3), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 4), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 5), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 6), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 7), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 8), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 9), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 10), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 11), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 12), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 13), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 14), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 15), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 16), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 17), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 18), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 19), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 20), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 21), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 22), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 23), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 24), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 25), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 26), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 27), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 28), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 29), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 30), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 31), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 32), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 33), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 34), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 35), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 36), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 37), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 38), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 39), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 40), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 41), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 42), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 43), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 44), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 45), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 46), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 47), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 48), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 49), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 50), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 51), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 52), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 53), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 54), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 55), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 56), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 57), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 58), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 59), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 60), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 61), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 62), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 63), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 64), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 65), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 66), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 67), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 68), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 69), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 70), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 71), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 72), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 73), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 74), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 75), align 1
-// CHECK-NEXT: store i8 4, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 76), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 77), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 78), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 79), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 80), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 81), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 82), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 83), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 84), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 85), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 86), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 87), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 88), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 89), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 90), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 91), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 92), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 93), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 94), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 95), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 96), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 97), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 98), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 99), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 100), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 101), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 102), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 103), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 104), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 105), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 106), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 107), align 1
-// CHECK-NEXT: store i8 16, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 108), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 109), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 110), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 111), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 112), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 113), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 114), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 115), align 1
-// CHECK-NEXT: store i8 8, i8* getelementptr inbounds ([1024 x i8], [1024 x i8]* @dwarf_reg_size_table, i64 0, i64 116), align 1
-// CHECK-NEXT: ret i32 1