[llvm] [RISCV] Support postRA vsetvl insertion pass (PR #70549)
Piyou Chen via llvm-commits
llvm-commits at lists.llvm.org
Thu May 2 06:07:35 PDT 2024
================
@@ -567,10 +606,13 @@ class VSETVLIInfo {
}
bool hasSameAVL(const VSETVLIInfo &Other) const {
- if (hasAVLReg() && Other.hasAVLReg())
+ if (hasAVLRegDefMI() && Other.hasAVLRegDefMI())
return getAVLDefMI().isIdenticalTo(Other.getAVLDefMI()) &&
getAVLReg() == Other.getAVLReg();
+ if (hasAVLReg() && Other.hasAVLReg())
+ return getAVLReg() == Other.getAVLReg();
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BeMg wrote:
I'm cherry-pick the https://github.com/lukel97/llvm-project/commit/47a6d183fbe81178dac668eda1a6f50d184a0dba with slight change.
Using the VNInfo to represent the Def of AVL is good idea. Thanks!
https://github.com/llvm/llvm-project/pull/70549
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