commit 62f5a9402cfca63abab005dbb6e7d96ce6655b05
author Chris Lattner <sabre@nondot.org> Sat Nov 13 20:04:38 2004 +0000
committer Chris Lattner <sabre@nondot.org> Sat Nov 13 20:04:38 2004 +0000
tree 03adbaa2d38369162b3d53b769a7c9c4ec4c5de4
parent 44205cadba047b1322a235b8cd1be5f4423a8f93

Add missing check


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17706 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelSimple.cpp

diff --git a/lib/Target/X86/X86ISelSimple.cpp b/lib/Target/X86/X86ISelSimple.cpp
index e5cf618..37572aa 100644
--- a/lib/Target/X86/X86ISelSimple.cpp
+++ b/lib/Target/X86/X86ISelSimple.cpp
@@ -2925,7 +2925,7 @@
     //
     if (ConstantUInt *CUI = dyn_cast<ConstantUInt>(ShiftAmount)) {
       unsigned Amount = CUI->getValue();
-      if (Amount == 1) {   // X << 1 == X+X
+      if (Amount == 1 && isLeftShift) {   // X << 1 == X+X
         BuildMI(*MBB, IP, X86::ADD32rr, 2,
                 DestReg).addReg(SrcReg).addReg(SrcReg);
         BuildMI(*MBB, IP, X86::ADC32rr, 2,