diff options
| author | Chris Lattner <sabre@nondot.org> | 2005-01-18 04:18:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-01-18 04:18:32 +0000 |
| commit | 811482a82b3d6721bbe80be123fd0b614c7f292e (patch) | |
| tree | 2365fd66d410d7ece83b574db9bf27a8dc013b99 | |
| parent | 0111474bde3621fa00210c834dd03f41f3f9f1f5 (diff) | |
Do not emit loads multiple times, potentially in the wrong places.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19661 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86ISelPattern.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp index 7b465cd84c..4db13aa9ec 100644 --- a/lib/Target/X86/X86ISelPattern.cpp +++ b/lib/Target/X86/X86ISelPattern.cpp @@ -573,7 +573,7 @@ bool ISel::MatchAddress(SDOperand N, X86ISelAddressMode &AM) { // Okay, we know that we have a scale by now. However, if the scaled // value is an add of something and a constant, we can fold the // constant into the disp field here. - if (ShVal.Val->getOpcode() == ISD::ADD && !ExprMap.count(ShVal) && + if (ShVal.Val->getOpcode() == ISD::ADD && ShVal.hasOneUse() && isa<ConstantSDNode>(ShVal.Val->getOperand(1))) { AM.IndexReg = ShVal.Val->getOperand(0); ConstantSDNode *AddVal = @@ -604,7 +604,7 @@ bool ISel::MatchAddress(SDOperand N, X86ISelAddressMode &AM) { // Okay, we know that we have a scale by now. However, if the scaled // value is an add of something and a constant, we can fold the // constant into the disp field here. - if (MulVal.Val->getOpcode() == ISD::ADD && !ExprMap.count(MulVal) && + if (MulVal.Val->getOpcode() == ISD::ADD && MulVal.hasOneUse() && isa<ConstantSDNode>(MulVal.Val->getOperand(1))) { Reg = MulVal.Val->getOperand(0); ConstantSDNode *AddVal = |