[PATCH] D157816: [ValueTracking] Cleanup condition for dup incoming edge for phi nodes; NFC
Noah Goldstein via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Aug 14 09:24:44 PDT 2023
goldstein.w.n updated this revision to Diff 549991.
goldstein.w.n added a comment.
Rebase
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D157816/new/
https://reviews.llvm.org/D157816
Files:
llvm/lib/Analysis/ValueTracking.cpp
Index: llvm/lib/Analysis/ValueTracking.cpp
===================================================================
--- llvm/lib/Analysis/ValueTracking.cpp
+++ llvm/lib/Analysis/ValueTracking.cpp
@@ -1472,7 +1472,7 @@
m_Br(m_c_ICmp(Pred, m_Specific(IncValue), m_APInt(RHSC)),
m_BasicBlock(TrueSucc), m_BasicBlock(FalseSucc)))) {
// Check for cases of duplicate successors.
- if ((TrueSucc == P->getParent()) != (FalseSucc == P->getParent())) {
+ if (TrueSucc != FalseSucc) {
// If we're using the false successor, invert the predicate.
if (FalseSucc == P->getParent())
Pred = CmpInst::getInversePredicate(Pred);
@@ -2682,7 +2682,7 @@
m_Br(m_c_ICmp(Pred, m_Specific(U.get()), m_Value(X)),
m_BasicBlock(TrueSucc), m_BasicBlock(FalseSucc)))) {
// Check for cases of duplicate successors.
- if ((TrueSucc == PN->getParent()) != (FalseSucc == PN->getParent())) {
+ if (TrueSucc != FalseSucc) {
// If we're using the false successor, invert the predicate.
if (FalseSucc == PN->getParent())
Pred = CmpInst::getInversePredicate(Pred);
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