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authorDimitry Andric <dim@FreeBSD.org>2023-04-14 21:41:27 +0000
committerDimitry Andric <dim@FreeBSD.org>2023-06-22 18:20:56 +0000
commitbdd1243df58e60e85101c09001d9812a789b6bc4 (patch)
treea1ce621c7301dd47ba2ddc3b8eaa63b441389481 /contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp
parent781624ca2d054430052c828ba8d2c2eaf2d733e7 (diff)
parente3b557809604d036af6e00c60f012c2025b59a5e (diff)
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp')
-rw-r--r--contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp30
1 files changed, 9 insertions, 21 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp b/contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp
index 6309eed7963d..17e71cf5a6c4 100644
--- a/contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp
+++ b/contrib/llvm-project/llvm/lib/Transforms/Utils/LoopVersioning.cpp
@@ -256,8 +256,8 @@ void LoopVersioning::annotateInstWithNoAlias(Instruction *VersionedInst,
}
namespace {
-bool runImpl(LoopInfo *LI, function_ref<const LoopAccessInfo &(Loop &)> GetLAA,
- DominatorTree *DT, ScalarEvolution *SE) {
+bool runImpl(LoopInfo *LI, LoopAccessInfoManager &LAIs, DominatorTree *DT,
+ ScalarEvolution *SE) {
// Build up a worklist of inner-loops to version. This is necessary as the
// act of versioning a loop creates new loops and can invalidate iterators
// across the loops.
@@ -275,7 +275,7 @@ bool runImpl(LoopInfo *LI, function_ref<const LoopAccessInfo &(Loop &)> GetLAA,
if (!L->isLoopSimplifyForm() || !L->isRotatedForm() ||
!L->getExitingBlock())
continue;
- const LoopAccessInfo &LAI = GetLAA(*L);
+ const LoopAccessInfo &LAI = LAIs.getInfo(*L);
if (!LAI.hasConvergentOp() &&
(LAI.getNumRuntimePointerChecks() ||
!LAI.getPSE().getPredicate().isAlwaysTrue())) {
@@ -284,6 +284,7 @@ bool runImpl(LoopInfo *LI, function_ref<const LoopAccessInfo &(Loop &)> GetLAA,
LVer.versionLoop();
LVer.annotateLoopWithNoAlias();
Changed = true;
+ LAIs.clear();
}
}
@@ -301,14 +302,11 @@ public:
bool runOnFunction(Function &F) override {
auto *LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
- auto GetLAA = [&](Loop &L) -> const LoopAccessInfo & {
- return getAnalysis<LoopAccessLegacyAnalysis>().getInfo(&L);
- };
-
+ auto &LAIs = getAnalysis<LoopAccessLegacyAnalysis>().getLAIs();
auto *DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
auto *SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
- return runImpl(LI, GetLAA, DT, SE);
+ return runImpl(LI, LAIs, DT, SE);
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
@@ -348,20 +346,10 @@ PreservedAnalyses LoopVersioningPass::run(Function &F,
FunctionAnalysisManager &AM) {
auto &SE = AM.getResult<ScalarEvolutionAnalysis>(F);
auto &LI = AM.getResult<LoopAnalysis>(F);
- auto &TTI = AM.getResult<TargetIRAnalysis>(F);
+ LoopAccessInfoManager &LAIs = AM.getResult<LoopAccessAnalysis>(F);
auto &DT = AM.getResult<DominatorTreeAnalysis>(F);
- auto &TLI = AM.getResult<TargetLibraryAnalysis>(F);
- auto &AA = AM.getResult<AAManager>(F);
- auto &AC = AM.getResult<AssumptionAnalysis>(F);
-
- auto &LAM = AM.getResult<LoopAnalysisManagerFunctionProxy>(F).getManager();
- auto GetLAA = [&](Loop &L) -> const LoopAccessInfo & {
- LoopStandardAnalysisResults AR = {AA, AC, DT, LI, SE,
- TLI, TTI, nullptr, nullptr, nullptr};
- return LAM.getResult<LoopAccessAnalysis>(L, AR);
- };
-
- if (runImpl(&LI, GetLAA, &DT, &SE))
+
+ if (runImpl(&LI, LAIs, &DT, &SE))
return PreservedAnalyses::none();
return PreservedAnalyses::all();
}