[llvm] [X86] Fold MOVAPS+SHUFPS into PSHUFD to eliminate redundant copies when … (PR #212626)
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Wed Jul 29 05:45:26 PDT 2026
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/X86/X86FixupInstTuning.cpp --diff_from_common_commit
``````````
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/X86/X86FixupInstTuning.cpp b/llvm/lib/Target/X86/X86FixupInstTuning.cpp
index b569e34cd..63632bbec 100644
--- a/llvm/lib/Target/X86/X86FixupInstTuning.cpp
+++ b/llvm/lib/Target/X86/X86FixupInstTuning.cpp
@@ -145,8 +145,7 @@ bool X86FixupInstTuningImpl::processInstruction(
// We skip NewOpcPreferable here because we are explicitly replacing two
// instructions with one, which is universally profitable.
auto ProcessSHUFPS = [&]() -> bool {
- if (!ST->hasSSE2() ||
- (!ST->hasNoDomainDelayShuffle()))
+ if (!ST->hasSSE2() || (!ST->hasNoDomainDelayShuffle()))
return false;
if (I == MBB.begin())
``````````
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https://github.com/llvm/llvm-project/pull/212626
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