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| author | Oliver Hunt <oliver@apple.com> | 2025-10-20 01:38:07 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-10-20 01:38:07 -0700 |
| commit | 7de01aa5d0418bd4e8db2917f831e7383c6863bb (patch) | |
| tree | 1db866f57c2236573cd4b4c2d141d6d420f87a92 /llvm/lib/Analysis/IVDescriptors.cpp | |
| parent | 6bc540043d4c3fed8f44c8f6de86be0d1740582e (diff) | |
| parent | 46a866ab7735aaa0f89fde209d516271c4825c49 (diff) | |
Merge branch 'main' into users/ojhunt/ptrauth-additionsusers/ojhunt/ptrauth-additions
Diffstat (limited to 'llvm/lib/Analysis/IVDescriptors.cpp')
| -rw-r--r-- | llvm/lib/Analysis/IVDescriptors.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/llvm/lib/Analysis/IVDescriptors.cpp b/llvm/lib/Analysis/IVDescriptors.cpp index b8c540ce4b99..9f8ac6e8e2e0 100644 --- a/llvm/lib/Analysis/IVDescriptors.cpp +++ b/llvm/lib/Analysis/IVDescriptors.cpp @@ -849,17 +849,12 @@ RecurrenceDescriptor::isMinMaxPattern(Instruction *I, RecurKind Kind, /// %sum.2 = select %cmp, %add, %sum.1 RecurrenceDescriptor::InstDesc RecurrenceDescriptor::isConditionalRdxPattern(Instruction *I) { - SelectInst *SI = dyn_cast<SelectInst>(I); - if (!SI) - return InstDesc(false, I); - - CmpInst *CI = dyn_cast<CmpInst>(SI->getCondition()); + Value *TrueVal, *FalseVal; // Only handle single use cases for now. - if (!CI || !CI->hasOneUse()) + if (!match(I, + m_Select(m_OneUse(m_Cmp()), m_Value(TrueVal), m_Value(FalseVal)))) return InstDesc(false, I); - Value *TrueVal = SI->getTrueValue(); - Value *FalseVal = SI->getFalseValue(); // Handle only when either of operands of select instruction is a PHI // node for now. if ((isa<PHINode>(TrueVal) && isa<PHINode>(FalseVal)) || @@ -886,7 +881,7 @@ RecurrenceDescriptor::isConditionalRdxPattern(Instruction *I) { if (!IPhi || IPhi != FalseVal) return InstDesc(false, I); - return InstDesc(true, SI); + return InstDesc(true, I); } RecurrenceDescriptor::InstDesc RecurrenceDescriptor::isRecurrenceInstr( |