Index: llvm/trunk/lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ llvm/trunk/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -2668,7 +2668,7 @@
                                                      bool IsVarArg) const {
   switch (CC) {
   default:
-    llvm_unreachable("Unsupported calling convention.");
+    report_fatal_error("Unsupported calling convention.");
   case CallingConv::WebKit_JS:
     return CC_AArch64_WebKit_JS;
   case CallingConv::GHC:
Index: llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
+++ llvm/trunk/lib/Target/ARM/ARMFastISel.cpp
@@ -1846,7 +1846,7 @@
                                            bool isVarArg) {
   switch (CC) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   case CallingConv::Fast:
     if (Subtarget->hasVFP2() && !isVarArg) {
       if (!Subtarget->isAAPCS_ABI())
@@ -1880,7 +1880,7 @@
     return (Return ? RetCC_ARM_APCS: CC_ARM_APCS);
   case CallingConv::GHC:
     if (Return)
-      llvm_unreachable("Can't return in GHC call convention");
+      report_fatal_error("Can't return in GHC call convention");
     else
       return CC_ARM_APCS_GHC;
   }
Index: llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
+++ llvm/trunk/lib/Target/ARM/ARMISelLowering.cpp
@@ -1562,7 +1562,7 @@
                                            bool isVarArg) const {
   switch (CC) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal-error("Unsupported calling convention");
   case CallingConv::ARM_AAPCS:
   case CallingConv::ARM_APCS:
   case CallingConv::GHC:
@@ -1611,7 +1611,7 @@
                                                  bool isVarArg) const {
   switch (getEffectiveCallingConv(CC, isVarArg)) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   case CallingConv::ARM_APCS:
     return (Return ? RetCC_ARM_APCS : CC_ARM_APCS);
   case CallingConv::ARM_AAPCS:
Index: llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp
+++ llvm/trunk/lib/Target/BPF/BPFISelLowering.cpp
@@ -158,7 +158,7 @@
     SelectionDAG &DAG, SmallVectorImpl<SDValue> &InVals) const {
   switch (CallConv) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   case CallingConv::C:
   case CallingConv::Fast:
     break;
Index: llvm/trunk/lib/Target/Lanai/LanaiISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/Lanai/LanaiISelLowering.cpp
+++ llvm/trunk/lib/Target/Lanai/LanaiISelLowering.cpp
@@ -405,7 +405,7 @@
   case CallingConv::Fast:
     return LowerCCCArguments(Chain, CallConv, IsVarArg, Ins, DL, DAG, InVals);
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   }
 }
 
@@ -431,7 +431,7 @@
     return LowerCCCCallTo(Chain, Callee, CallConv, IsVarArg, IsTailCall, Outs,
                           OutVals, Ins, DL, DAG, InVals);
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   }
 }
 
Index: llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -546,7 +546,7 @@
 
   switch (CallConv) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   case CallingConv::C:
   case CallingConv::Fast:
     return LowerCCCArguments(Chain, CallConv, isVarArg, Ins, dl, DAG, InVals);
@@ -576,7 +576,7 @@
 
   switch (CallConv) {
   default:
-    llvm_unreachable("Unsupported calling convention");
+    report_fatal_error("Unsupported calling convention");
   case CallingConv::MSP430_BUILTIN:
   case CallingConv::Fast:
   case CallingConv::C:
Index: llvm/trunk/lib/Target/XCore/XCoreISelLowering.cpp
===================================================================
--- llvm/trunk/lib/Target/XCore/XCoreISelLowering.cpp
+++ llvm/trunk/lib/Target/XCore/XCoreISelLowering.cpp
@@ -1046,7 +1046,7 @@
   switch (CallConv)
   {
     default:
-      llvm_unreachable("Unsupported calling convention");
+      report_fatal_error("Unsupported calling convention");
     case CallingConv::Fast:
     case CallingConv::C:
       return LowerCCCCallTo(Chain, Callee, CallConv, isVarArg, isTailCall,
@@ -1243,7 +1243,7 @@
   switch (CallConv)
   {
     default:
-      llvm_unreachable("Unsupported calling convention");
+      report_fatal_error("Unsupported calling convention");
     case CallingConv::C:
     case CallingConv::Fast:
       return LowerCCCArguments(Chain, CallConv, isVarArg,