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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-08-09 16:42:10 +0100 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2022-08-09 16:42:19 +0100 |
| commit | ed162d455a6585a75290c60c934b2a514ac55747 (patch) | |
| tree | aeac90d62f3f35d2aad2dbbda22ac71cb993b556 | |
| parent | ee27bca2e2c75593e0d794ba23e054af319d04c7 (diff) | |
| download | llvm-ed162d455a6585a75290c60c934b2a514ac55747.zip llvm-ed162d455a6585a75290c60c934b2a514ac55747.tar.gz llvm-ed162d455a6585a75290c60c934b2a514ac55747.tar.bz2 | |
[DAG] Avoid hasOneUse() calls if the cheaper !AssumeSingleUse test has already failed. NFC.
Very minor optimization, but every little helps..
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index afdbbd8..f4f952d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1107,7 +1107,7 @@ bool TargetLowering::SimplifyDemandedBits( // Other users may use these bits. bool HasMultiUse = false; - if (!Op.getNode()->hasOneUse() && !AssumeSingleUse) { + if (!AssumeSingleUse && !Op.getNode()->hasOneUse()) { if (Depth >= SelectionDAG::MaxRecursionDepth) { // Limit search depth. return false; @@ -2827,7 +2827,7 @@ bool TargetLowering::SimplifyDemandedVectorElts( } // If Op has other users, assume that all elements are needed. - if (!Op.getNode()->hasOneUse() && !AssumeSingleUse) + if (!AssumeSingleUse && !Op.getNode()->hasOneUse()) DemandedElts.setAllBits(); // Not demanding any elements from Op. |