commit c349576b70eb62d755bcd74b50a50108c9d2a973
author Evan Cheng <evan.cheng@apple.com> Mon Mar 30 21:36:47 2009 +0000
committer Evan Cheng <evan.cheng@apple.com> Mon Mar 30 21:36:47 2009 +0000
tree 66d9e67d14c16ccb95c23c0fabb50b2068567843
parent dd21b3f323e45e7729a09840637c418d3470111b

When optimzing a mul by immediate into two, the resulting mul's should get a x86 specific node to avoid dag combiner from hacking on them further.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68066 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelDAGToDAG.cpp

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 4afbbc6..9caf184 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -852,6 +852,7 @@
     if (N.getResNo() != 0) break;
     // FALL THROUGH
   case ISD::MUL:
+  case X86ISD::MUL_IMM:
     // X*[3,5,9] -> X+X*[2,4,8]
     if (AM.BaseType == X86ISelAddressMode::RegBase &&
         AM.Base.Reg.getNode() == 0 &&