From ec1bb4fdaf531cbca7b3707b867a6d40068f8ff9 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Fri, 19 Apr 2013 16:56:24 +0000
Subject: ConstantFolding: ComputeMaskedBits wants the scalar size for vectors.

Fixes PR15791.

llvm-svn: 179859
---
 llvm/lib/Analysis/ConstantFolding.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/Analysis/ConstantFolding.cpp')

diff --git a/llvm/lib/Analysis/ConstantFolding.cpp b/llvm/lib/Analysis/ConstantFolding.cpp
index b5286e8..bc0dffc 100644
--- a/llvm/lib/Analysis/ConstantFolding.cpp
+++ b/llvm/lib/Analysis/ConstantFolding.cpp
@@ -551,7 +551,7 @@ static Constant *SymbolicallyEvaluateBinop(unsigned Opc, Constant *Op0,
 
 
   if (Opc == Instruction::And && DL) {
-    unsigned BitWidth = DL->getTypeSizeInBits(Op0->getType());
+    unsigned BitWidth = DL->getTypeSizeInBits(Op0->getType()->getScalarType());
     APInt KnownZero0(BitWidth, 0), KnownOne0(BitWidth, 0);
     APInt KnownZero1(BitWidth, 0), KnownOne1(BitWidth, 0);
     ComputeMaskedBits(Op0, KnownZero0, KnownOne0, DL);
-- 
cgit v1.1