inline asm calls should be nounwind. Chris, please review.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65866 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 307dccff2f24e93ab11f9fda508a3376c701223a..cbd8a897bd203fa3955e2a051d053dbe79fa3526 100644 (file)
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -1003,7 +1003,10 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
   llvm::InlineAsm *IA = 
     llvm::InlineAsm::get(FTy, AsmString, Constraints, 
                          S.isVolatile() || S.getNumOutputs() == 0);
-  llvm::Value *Result = Builder.CreateCall(IA, Args.begin(), Args.end(), "");
+  llvm::CallInst *Result
+    = Builder.CreateCall(IA, Args.begin(), Args.end(), "");
+  Result->addAttribute(~0, llvm::Attribute::NoUnwind);
+  
   if (ResultAddr) // FIXME: volatility
     Builder.CreateStore(Result, ResultAddr);
 }