From 639f2d92f85d0ad9a475edc5f3427c784f219b9b Mon Sep 17 00:00:00 2001 From: Sanjiv Gupta Date: Thu, 2 Apr 2009 17:51:27 +0000 Subject: Don't use static globals for params as it confuses the optimzer that their values are never being used in the function. llvm-svn: 68328 --- clang/lib/CodeGen/CGDecl.cpp | 6 ------ 1 file changed, 6 deletions(-) (limited to 'clang/lib/CodeGen/CGDecl.cpp') diff --git a/clang/lib/CodeGen/CGDecl.cpp b/clang/lib/CodeGen/CGDecl.cpp index 1277404e169..b8f5ca85cf5 100644 --- a/clang/lib/CodeGen/CGDecl.cpp +++ b/clang/lib/CodeGen/CGDecl.cpp @@ -426,12 +426,6 @@ void CodeGenFunction::EmitParmDecl(const VarDecl &D, llvm::Value *Arg) { if (!Ty->isConstantSizeType()) { // Variable sized values always are passed by-reference. DeclPtr = Arg; - } else if (Target.useGlobalsForAutomaticVariables()) { - // Targets that don't have stack use global address space for parameters. - // Specify external linkage for such globals so that llvm optimizer do - // not assume there values initialized as zero. - DeclPtr = CreateStaticBlockVarDecl(D, ".arg.", - llvm::GlobalValue::ExternalLinkage); } else { // A fixed sized single-value variable becomes an alloca in the entry block. const llvm::Type *LTy = ConvertTypeForMem(Ty); -- cgit v1.2.3