From: Evan Cheng <evan.cheng@apple.com>
Date: Tue, 13 May 2008 16:45:56 +0000 (+0000)
Subject: - Don't treat anyext 16-bit load as a 32-bit load if it's volatile.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=11b6793ededa9692d4d36211b1a35fcad81858f4;p=oota-llvm.git

- Don't treat anyext 16-bit load as a 32-bit load if it's volatile.
- Correct a pasto.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51054 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index afe420625c9..ab14fd40126 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -239,7 +239,7 @@ def loadi16 : PatFrag<(ops node:$ptr), (i16 (ld node:$ptr)), [{
     if (ExtType == ISD::NON_EXTLOAD)
       return true;
     if (ExtType == ISD::EXTLOAD)
-      return LD->getAlignment() >= 16;
+      return LD->getAlignment() >= 8 && !LD->isVolatile();
   }
   return false;
 }]>;
@@ -252,7 +252,7 @@ def loadi32 : PatFrag<(ops node:$ptr), (i32 (ld node:$ptr)), [{
     if (ExtType == ISD::NON_EXTLOAD)
       return true;
     if (ExtType == ISD::EXTLOAD)
-      return LD->getAlignment() >= 16;
+      return LD->getAlignment() >= 16 && !LD->isVolatile();
   }
   return false;
 }]>;