[PATCH] D72652: [NFC][IndVarSimplify] remove duplicate code in widenWithVariantLoadUseCodegen
Danilo Carvalho Grael via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 15 13:29:14 PST 2020
This revision was automatically updated to reflect the committed changes.
Closed by commit rG34ba96a3d49e: [NFC][IndVarSimplify] remove duplicate code in widenWithVariantLoadUseCodegen. (authored by zhongduo, committed by dancgr).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D72652/new/
https://reviews.llvm.org/D72652
Files:
llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
Index: llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1508,33 +1508,22 @@
Builder.Insert(WideBO);
WideBO->copyIRFlags(NarrowBO);
- if (ExtKind == SignExtended)
- ExtendKindMap[NarrowUse] = SignExtended;
- else
- ExtendKindMap[NarrowUse] = ZeroExtended;
+ assert(ExtKind != Unknown && "Unknown ExtKind not handled");
- // Update the Use.
- if (ExtKind == SignExtended) {
- for (Use &U : NarrowUse->uses()) {
- SExtInst *User = dyn_cast<SExtInst>(U.getUser());
- if (User && User->getType() == WideType) {
- LLVM_DEBUG(dbgs() << "INDVARS: eliminating " << *User << " replaced by "
- << *WideBO << "\n");
- ++NumElimExt;
- User->replaceAllUsesWith(WideBO);
- DeadInsts.emplace_back(User);
- }
- }
- } else { // ExtKind == ZeroExtended
- for (Use &U : NarrowUse->uses()) {
- ZExtInst *User = dyn_cast<ZExtInst>(U.getUser());
- if (User && User->getType() == WideType) {
- LLVM_DEBUG(dbgs() << "INDVARS: eliminating " << *User << " replaced by "
- << *WideBO << "\n");
- ++NumElimExt;
- User->replaceAllUsesWith(WideBO);
- DeadInsts.emplace_back(User);
- }
+ ExtendKindMap[NarrowUse] = ExtKind;
+
+ for (Use &U : NarrowUse->uses()) {
+ Instruction *User = nullptr;
+ if (ExtKind == SignExtended)
+ User = dyn_cast<SExtInst>(U.getUser());
+ else
+ User = dyn_cast<ZExtInst>(U.getUser());
+ if (User && User->getType() == WideType) {
+ LLVM_DEBUG(dbgs() << "INDVARS: eliminating " << *User << " replaced by "
+ << *WideBO << "\n");
+ ++NumElimExt;
+ User->replaceAllUsesWith(WideBO);
+ DeadInsts.emplace_back(User);
}
}
}
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