From b0d476fcdc8f211c7eb944b8ca77b1a282fde7ec Mon Sep 17 00:00:00 2001
From: Matt Pharr <matt.pharr@intel.com>
Date: Sat, 5 Nov 2011 09:49:44 -0700
Subject: [PATCH] Stop zero-initializing memory used to store return values.

This seems to have a noticable (small) performance benefit on a
few of the example workloads.
---
 ctx.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/ctx.cpp b/ctx.cpp
index 4a5bc561..27d7f1a7 100644
--- a/ctx.cpp
+++ b/ctx.cpp
@@ -160,8 +160,6 @@ FunctionEmitContext::FunctionEmitContext(Function *func, Symbol *funSym,
     else {
         LLVM_TYPE_CONST llvm::Type *ftype = returnType->LLVMType(g->ctx);
         returnValuePtr = AllocaInst(ftype, "return_value_memory");
-        // FIXME: don't do this store???
-        StoreInst(llvm::Constant::getNullValue(ftype), returnValuePtr);
     }
 
     if (m->diBuilder) {