RPCS3/archived-llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2026-01-31 01:25:19 +01:00
Code Issues Packages Projects Releases Wiki Activity

[X86] Use SDValue::operator== instead of DAG.isEqualTo in strictly integer matching.

Browse Source 
isEqualTo is more useful for floating point. operator== is sufficient for integer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340130 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2018-08-18 19:16:56 +00:00
parent 88618843c3
commit 03fa7f358c
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/X86/X86ISelLowering.cpp
View File

@@ -33046,7 +33046,7 @@ static SDValue combineSelect(SDNode *N, SelectionDAG &DAG,
}
if (Other.getNode() && Other->getNumOperands() == 2 &&
DAG.isEqualTo(Other->getOperand(0), Cond.getOperand(0))) {
Other->getOperand(0) == Cond.getOperand(0)) {
SDValue OpLHS = Other->getOperand(0), OpRHS = Other->getOperand(1);
SDValue CondRHS = Cond->getOperand(1);
@@ -33059,7 +33059,7 @@ static SDValue combineSelect(SDNode *N, SelectionDAG &DAG,
// x >= y ? x-y : 0 --> subus x, y
// x > y ? x-y : 0 --> subus x, y
if ((CC == ISD::SETUGE || CC == ISD::SETUGT) &&
Other->getOpcode() == ISD::SUB && DAG.isEqualTo(OpRHS, CondRHS))
Other->getOpcode() == ISD::SUB && OpRHS == CondRHS)
return SplitOpsAndApply(DAG, Subtarget, DL, VT, { OpLHS, OpRHS },
SUBUSBuilder);