diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/lib/CodeGen/CGExprScalar.cpp | 10 | ||||
| -rw-r--r-- | clang/test/CodeGen/ppc-vector-compare.cc | 11 |
2 files changed, 21 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index fba9574b021..68a2f13e70b 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -3214,6 +3214,16 @@ Value *ScalarExprEmitter::EmitCompare(const BinaryOperator *E, Value *CR6Param = Builder.getInt32(CR6); llvm::Function *F = CGF.CGM.getIntrinsic(ID); Result = Builder.CreateCall(F, {CR6Param, FirstVecArg, SecondVecArg}); + + // The result type of intrinsic may not be same as E->getType(). + // If E->getType() is not BoolTy, EmitScalarConversion will do the + // conversion work. If E->getType() is BoolTy, EmitScalarConversion will + // do nothing, if ResultTy is not i1 at the same time, it will cause + // crash later. + llvm::IntegerType *ResultTy = cast<llvm::IntegerType>(Result->getType()); + if (ResultTy->getBitWidth() > 1 && + E->getType() == CGF.getContext().BoolTy) + Result = Builder.CreateTrunc(Result, Builder.getInt1Ty()); return EmitScalarConversion(Result, CGF.getContext().BoolTy, E->getType(), E->getExprLoc()); } diff --git a/clang/test/CodeGen/ppc-vector-compare.cc b/clang/test/CodeGen/ppc-vector-compare.cc new file mode 100644 index 00000000000..43fbf84c6db --- /dev/null +++ b/clang/test/CodeGen/ppc-vector-compare.cc @@ -0,0 +1,11 @@ +// RUN: %clang_cc1 -target-feature +altivec -triple powerpc64-unknown-unknown -emit-llvm %s \ +// RUN: -o - | FileCheck %s + +#include <altivec.h> + +// CHECK-LABEL: @_Z5test1Dv8_tS_ +// CHECK: @llvm.ppc.altivec.vcmpequh.p +bool test1(vector unsigned short v1, vector unsigned short v2) { + return v1 == v2; +} + |
