From: Chris Lattner <sabre@nondot.org>
Date: Tue, 6 Feb 2007 06:07:51 +0000 (+0000)
Subject: Fix PR1181 and CodeGen/CBackend/2007-02-05-memset.ll
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=7d6f77db284913a1dd4b5f362fd62ba65b76784b;p=oota-llvm.git

Fix PR1181 and CodeGen/CBackend/2007-02-05-memset.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33957 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index ee2f79e5b54..320c5a57516 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -394,17 +394,27 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   }
   case Intrinsic::memset_i32: {
     static Constant *MemsetFCache = 0;
-    Value * Size = cast<Value>(CI->op_end()-1);
-    if (Size->getType() != TD.getIntPtrType())
-      Size->replaceAllUsesWith(new ZExtInst(Size, TD.getIntPtrType()));
+    Value *Size = cast<Value>(CI->op_end()-1);
+    const Type *IntPtr = TD.getIntPtrType();
+    if (Size->getType()->getPrimitiveSizeInBits() <
+        IntPtr->getPrimitiveSizeInBits())
+      Size = new ZExtInst(Size, IntPtr, "", CI);
+    else if (Size->getType()->getPrimitiveSizeInBits() >
+             IntPtr->getPrimitiveSizeInBits())
+      Size = new TruncInst(Size, IntPtr, "", CI);
     ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
                     (*(CI->op_begin()+1))->getType(), MemsetFCache);
   }
   case Intrinsic::memset_i64: {
     static Constant *MemsetFCache = 0;
-    Value * Size = cast<Value>(CI->op_end()-1);
-    if (Size->getType() != TD.getIntPtrType())
-      Size->replaceAllUsesWith(new TruncInst(Size, TD.getIntPtrType()));
+    Value *Size = cast<Value>(CI->op_end()-1);
+    const Type *IntPtr = TD.getIntPtrType();
+    if (Size->getType()->getPrimitiveSizeInBits() <
+        IntPtr->getPrimitiveSizeInBits())
+      Size = new ZExtInst(Size, IntPtr, "", CI);
+    else if (Size->getType()->getPrimitiveSizeInBits() >
+             IntPtr->getPrimitiveSizeInBits())
+      Size = new TruncInst(Size, IntPtr, "", CI);
     ReplaceCallWith("memset", CI, CI->op_begin()+1, CI->op_end()-1,
                     (*(CI->op_begin()+1))->getType(), MemsetFCache);
     break;