diff options
Diffstat (limited to 'lib/CodeGen/CGStmt.cpp')
-rw-r--r-- | lib/CodeGen/CGStmt.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index 33776b6c59..2e4c557db6 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -1686,4 +1686,19 @@ void CodeGenFunction::EmitMSAsmStmt(const MSAsmStmt &S) { // MS-style inline assembly is not fully supported, so sema emits a warning. if (!CGM.getCodeGenOpts().EmitMicrosoftInlineAsm) return; + + assert (S.isSimple() && "CodeGen can only handle simple MSAsmStmts."); + + std::vector<llvm::Value*> Args; + std::vector<llvm::Type *> ArgTypes; + + std::string MachineClobbers = Target.getClobbers(); + + llvm::FunctionType *FTy = + llvm::FunctionType::get(VoidTy, ArgTypes, false); + + llvm::InlineAsm *IA = + llvm::InlineAsm::get(FTy, *S.getAsmString(), MachineClobbers, true); + llvm::CallInst *Result = Builder.CreateCall(IA, Args); + Result->addAttribute(~0, llvm::Attribute::NoUnwind); } |