diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Basic/Targets.cpp | 1 | ||||
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 6 |
2 files changed, 5 insertions, 2 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index f0e3bc4b74..a557142290 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -2778,6 +2778,7 @@ public: Records = BuiltinInfo; NumRecords = clang::ARM::LastTSBuiltin-Builtin::FirstTSBuiltin; } + virtual bool isCLZForZeroUndef() const { return false; } virtual const char *getVAListDeclaration() const { return "typedef void* __builtin_va_list;"; } diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index e63eeb3c76..f4a5a82802 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -238,7 +238,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType); llvm::Type *ResultType = ConvertType(E->getType()); - Value *Result = Builder.CreateCall2(F, ArgValue, Builder.getTrue()); + Value *ZeroUndef = Builder.getInt1(Target.isCLZForZeroUndef()); + Value *Result = Builder.CreateCall2(F, ArgValue, ZeroUndef); if (Result->getType() != ResultType) Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, "cast"); @@ -253,7 +254,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::ctlz, ArgType); llvm::Type *ResultType = ConvertType(E->getType()); - Value *Result = Builder.CreateCall2(F, ArgValue, Builder.getTrue()); + Value *ZeroUndef = Builder.getInt1(Target.isCLZForZeroUndef()); + Value *Result = Builder.CreateCall2(F, ArgValue, ZeroUndef); if (Result->getType() != ResultType) Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, "cast"); |