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| author | Dimitry Andric <dim@FreeBSD.org> | 2024-01-11 18:24:21 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2024-01-11 18:24:21 +0000 |
| commit | 950076cd18f3fa9d789b4add9d405898efff09a5 (patch) | |
| tree | 2454649366290c6292cc2d94dde042f71bc1e144 /llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | |
| parent | aca2e42c67292825f835f094eb0c4df5ce6013db (diff) | |
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 40b48699f758..64fbd5543a9e 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -1884,6 +1884,10 @@ Instruction *InstCombinerImpl::visitCallInst(CallInst &CI) { return crossLogicOpFold; } + // Try to fold into bitreverse if bswap is the root of the expression tree. + if (Instruction *BitOp = matchBSwapOrBitReverse(*II, /*MatchBSwaps*/ false, + /*MatchBitReversals*/ true)) + return BitOp; break; } case Intrinsic::masked_load: |