[clang] [SVE][InstCombine] Delete redundante sel instructions with ptrue (PR #68463)
via cfe-commits
cfe-commits at lists.llvm.org
Tue Oct 10 05:20:56 PDT 2023
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@@ -800,6 +800,13 @@ instCombineConvertFromSVBool(InstCombiner &IC, IntrinsicInst &II) {
static std::optional<Instruction *> instCombineSVESel(InstCombiner &IC,
IntrinsicInst &II) {
+ // svsel(ptrue, x, y) => x
+ auto *OpPredicate = II.getOperand(0);
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vfdff wrote:
Yes, you are right. Writing more efficient code is another way to optimize.
https://github.com/llvm/llvm-project/pull/68463
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