From 12f1e007f78b97261c0d7b95f2c9bc71518fdd97 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Thu, 24 Apr 2008 00:19:54 +0000
Subject: [PATCH] Don't replace multiple result of calls with undef, sccp
 tracks getresult values, not call values in this case.

llvm-svn: 50202
---
 llvm/lib/Transforms/Scalar/SCCP.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index bef13affd8b0..e849b2d87658 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -1516,7 +1516,8 @@ bool SCCP::runOnFunction(Function &F) {
       //
       for (BasicBlock::iterator BI = BB->begin(), E = BB->end(); BI != E; ) {
         Instruction *Inst = BI++;
-        if (Inst->getType() == Type::VoidTy || 
+        if (Inst->getType() == Type::VoidTy ||
+            isa<StructType>(Inst->getType()) ||
             isa<TerminatorInst>(Inst))
           continue;
         
@@ -1692,7 +1693,8 @@ bool IPSCCP::runOnModule(Module &M) {
       } else {
         for (BasicBlock::iterator BI = BB->begin(), E = BB->end(); BI != E; ) {
           Instruction *Inst = BI++;
-          if (Inst->getType() != Type::VoidTy) {
+          if (Inst->getType() != Type::VoidTy &&
+              !isa<StructType>(Inst->getType())) {
             LatticeVal &IV = Values[Inst];
             if (IV.isConstant() ||
                 (IV.isUndefined() && !isa<TerminatorInst>(Inst))) {