diff options
| author | Chandler Carruth <chandlerc@gmail.com> | 2011-12-12 04:28:35 +0000 |
|---|---|---|
| committer | Chandler Carruth <chandlerc@gmail.com> | 2011-12-12 04:28:35 +0000 |
| commit | 50058ec63f38eabeb94391a61d2e7fb18a062173 (patch) | |
| tree | 0812e9089989e006ae227214022a113ec46f2da9 | |
| parent | 4db8c4483ea7b271bcce3a0312a0ac434313c09b (diff) | |
Update Clang to emit the new form of llvm.cttz and llvm.ctlz intrinsics,
setting the is_zero_undef flag appropriately to true as that matches the
semantics of these GCC builtins.
This is the Clang side of r146357 in LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@146358 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 419dddd0c2..ce86cc4a82 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -237,7 +237,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType); llvm::Type *ResultType = ConvertType(E->getType()); - Value *Result = Builder.CreateCall(F, ArgValue); + Value *Result = Builder.CreateCall2(F, ArgValue, Builder.getTrue()); if (Result->getType() != ResultType) Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, "cast"); @@ -252,7 +252,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::ctlz, ArgType); llvm::Type *ResultType = ConvertType(E->getType()); - Value *Result = Builder.CreateCall(F, ArgValue); + Value *Result = Builder.CreateCall2(F, ArgValue, Builder.getTrue()); if (Result->getType() != ResultType) Result = Builder.CreateIntCast(Result, ResultType, /*isSigned*/true, "cast"); @@ -268,7 +268,8 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD, Value *F = CGM.getIntrinsic(Intrinsic::cttz, ArgType); llvm::Type *ResultType = ConvertType(E->getType()); - Value *Tmp = Builder.CreateAdd(Builder.CreateCall(F, ArgValue), + Value *Tmp = Builder.CreateAdd(Builder.CreateCall2(F, ArgValue, + Builder.getTrue()), llvm::ConstantInt::get(ArgType, 1)); Value *Zero = llvm::Constant::getNullValue(ArgType); Value *IsZero = Builder.CreateICmpEQ(ArgValue, Zero, "iszero"); |