[llvm] [GlobalISel] Fold G_ICMP if possible (PR #86357)
Shilei Tian via llvm-commits
llvm-commits at lists.llvm.org
Mon Mar 25 14:10:43 PDT 2024
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@@ -7638,7 +7644,7 @@ LegalizerHelper::lowerSADDO_SSUBO(MachineInstr &MI) {
// (LHS) if and only if the other operand (RHS) is (non-zero) positive,
// otherwise there will be overflow.
auto ResultLowerThanLHS =
- MIRBuilder.buildICmp(CmpInst::ICMP_SLT, BoolTy, Dst0, LHS);
+ MIRBuilder.buildICmp(CmpInst::ICMP_SLT, BoolTy, Tmp, LHS);
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shiltian wrote:
@aemerson Like in this way?
https://github.com/llvm/llvm-project/pull/86357
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