Index: lib/Target/PowerPC/PPC.h
===================================================================
--- lib/Target/PowerPC/PPC.h
+++ lib/Target/PowerPC/PPC.h
@@ -44,7 +44,7 @@
   FunctionPass *createPPCQPXLoadSplatPass();
   FunctionPass *createPPCISelDag(PPCTargetMachine &TM);
   FunctionPass *createPPCTLSDynamicCallPass();
-  FunctionPass *createPPCBoolRetToIntPass();
+  FunctionPass *createPPCBoolRetToIntPass(PPCTargetMachine &TM);
   FunctionPass *createPPCExpandISELPass();
   void LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
                                     AsmPrinter &AP, bool isDarwin);
Index: lib/Target/PowerPC/PPCBoolRetToInt.cpp
===================================================================
--- lib/Target/PowerPC/PPCBoolRetToInt.cpp
+++ lib/Target/PowerPC/PPCBoolRetToInt.cpp
@@ -33,6 +33,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "PPC.h"
+#include "PPCTargetMachine.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
@@ -88,16 +89,19 @@
   }
 
   // Translate a i1 value to an equivalent i32 value:
-  static Value *translate(Value *V) {
-    Type *Int32Ty = Type::getInt32Ty(V->getContext());
+  Value *translate(Value *V) {
+    Type *IntTy = Type::getInt32Ty(V->getContext());
+    if (ST && ST->isPPC64())
+      IntTy = Type::getInt64Ty(V->getContext());
+
     if (auto *C = dyn_cast<Constant>(V))
-      return ConstantExpr::getZExt(C, Int32Ty);
+      return ConstantExpr::getZExt(C, IntTy);
     if (auto *P = dyn_cast<PHINode>(V)) {
       // Temporarily set the operands to 0. We'll fix this later in
       // runOnUse.
-      Value *Zero = Constant::getNullValue(Int32Ty);
+      Value *Zero = Constant::getNullValue(IntTy);
       PHINode *Q =
-        PHINode::Create(Int32Ty, P->getNumIncomingValues(), P->getName(), P);
+        PHINode::Create(IntTy, P->getNumIncomingValues(), P->getName(), P);
       for (unsigned i = 0; i < P->getNumOperands(); ++i)
         Q->addIncoming(Zero, P->getIncomingBlock(i));
       return Q;
@@ -109,7 +113,7 @@
 
     auto InstPt =
       A ? &*A->getParent()->getEntryBlock().begin() : I->getNextNode();
-    return new ZExtInst(V, Int32Ty, "", InstPt);
+    return new ZExtInst(V, IntTy, "", InstPt);
   }
 
   typedef SmallPtrSet<const PHINode *, 8> PHINodeSet;
@@ -177,7 +181,11 @@
  public:
   static char ID;
 
-  PPCBoolRetToInt() : FunctionPass(ID) {
+  PPCBoolRetToInt() : FunctionPass(ID), TM(nullptr) {
+    initializePPCBoolRetToIntPass(*PassRegistry::getPassRegistry());
+  }
+
+  PPCBoolRetToInt(PPCTargetMachine &TM) : FunctionPass(ID), TM(&TM) {
     initializePPCBoolRetToIntPass(*PassRegistry::getPassRegistry());
   }
 
@@ -185,6 +193,10 @@
     if (skipFunction(F))
       return false;
 
+    ST = nullptr;
+    if (TM)
+      ST = TM->getSubtargetImpl(F);
+
     PHINodeSet PromotablePHINodes = getPromotablePHINodes(F);
     B2IMap Bool2IntMap;
     bool Changed = false;
@@ -205,7 +217,7 @@
     return Changed;
   }
 
-  static bool runOnUse(Use &U, const PHINodeSet &PromotablePHINodes,
+  bool runOnUse(Use &U, const PHINodeSet &PromotablePHINodes,
                        B2IMap &BoolToIntMap) {
     auto Defs = findAllDefs(U);
 
@@ -262,6 +274,10 @@
     AU.addPreserved<DominatorTreeWrapperPass>();
     FunctionPass::getAnalysisUsage(AU);
   }
+
+private:
+  const PPCSubtarget *ST;
+  PPCTargetMachine *TM;
 };
 
 } // end anonymous namespace
@@ -271,4 +287,6 @@
                 "Convert i1 constants to i32 if they are returned",
                 false, false)
 
-FunctionPass *llvm::createPPCBoolRetToIntPass() { return new PPCBoolRetToInt(); }
+FunctionPass *llvm::createPPCBoolRetToIntPass(PPCTargetMachine &TM) {
+  return new PPCBoolRetToInt(TM);
+}
Index: lib/Target/PowerPC/PPCTargetMachine.cpp
===================================================================
--- lib/Target/PowerPC/PPCTargetMachine.cpp
+++ lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -323,7 +323,7 @@
 
 void PPCPassConfig::addIRPasses() {
   if (TM->getOptLevel() != CodeGenOpt::None)
-    addPass(createPPCBoolRetToIntPass());
+    addPass(createPPCBoolRetToIntPass(getPPCTargetMachine()));
   addPass(createAtomicExpandPass(&getPPCTargetMachine()));
 
   // For the BG/Q (or if explicitly requested), add explicit data prefetch
Index: test/CodeGen/PowerPC/pr32442.ll
===================================================================
--- test/CodeGen/PowerPC/pr32442.ll
+++ test/CodeGen/PowerPC/pr32442.ll
@@ -0,0 +1,18 @@
+; RUN: llc -mtriple=powerpc64le-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
+
+; CHECK-NOT: clrldi
+
+define zeroext i1 @foo(i32 signext %i, i32* %p) {
+entry:
+  %cmp = icmp eq i32 %i, 0
+  br i1 %cmp, label %return, label %if.end
+
+if.end:
+  store i32 %i, i32* %p, align 4
+  br label %return
+
+return:
+  %retval = phi i1 [ true, %if.end ], [ false, %entry ]
+  ret i1 %retval
+}
+