From d8d306601afa5089a69bdab27d66c01f0ccbafb0 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 19 Jan 2005 03:36:30 +0000
Subject: [PATCH] X86 shifts mask the amount.

llvm-svn: 19678
---
 llvm/lib/Target/X86/X86ISelPattern.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/X86/X86ISelPattern.cpp b/llvm/lib/Target/X86/X86ISelPattern.cpp
index f6065b13374f..1228d70bc04a 100644
--- a/llvm/lib/Target/X86/X86ISelPattern.cpp
+++ b/llvm/lib/Target/X86/X86ISelPattern.cpp
@@ -43,6 +43,7 @@ namespace {
       // X86 is wierd, it always uses i8 for shift amounts and setcc results.
       setShiftAmountType(MVT::i8);
       setSetCCResultType(MVT::i8);
+      setShiftAmountFlavor(Mask);   // shl X, 32 == shl X, 0
 
       // Set up the register classes.
       addRegisterClass(MVT::i8, X86::R8RegisterClass);