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authorNAKAMURA Takumi <geek4civic@gmail.com>2025-01-09 17:50:40 +0900
committerNAKAMURA Takumi <geek4civic@gmail.com>2025-01-09 17:50:40 +0900
commitfea7da1b00cc97d742faede2df96c7d327950f49 (patch)
tree4de1d6b4ddc69f4f32daabb11ad5c71ab0cf895e /llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
parent9b99dde0d47102625d93c5d1cbbc04951025a6c9 (diff)
parent0aa930a41f2d1ebf1fa90ec42da8f96d15a4dcbb (diff)
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Merge branch 'users/chapuni/cov/single/nextcount-base' into users/chapuni/cov/single/nextcountusers/chapuni/cov/single/nextcount
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp')
-rw-r--r--llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp20
1 files changed, 2 insertions, 18 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
index 1fcf1c5..80308bf 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombinePHI.cpp
@@ -765,30 +765,14 @@ Instruction *InstCombinerImpl::foldPHIArgLoadIntoPHI(PHINode &PN) {
NewPN->addIncoming(InVal, PN.getIncomingBlock(0));
LoadInst *NewLI =
new LoadInst(FirstLI->getType(), NewPN, "", IsVolatile, LoadAlignment);
-
- unsigned KnownIDs[] = {
- LLVMContext::MD_tbaa,
- LLVMContext::MD_range,
- LLVMContext::MD_invariant_load,
- LLVMContext::MD_alias_scope,
- LLVMContext::MD_noalias,
- LLVMContext::MD_nonnull,
- LLVMContext::MD_align,
- LLVMContext::MD_dereferenceable,
- LLVMContext::MD_dereferenceable_or_null,
- LLVMContext::MD_access_group,
- LLVMContext::MD_noundef,
- };
-
- for (unsigned ID : KnownIDs)
- NewLI->setMetadata(ID, FirstLI->getMetadata(ID));
+ NewLI->copyMetadata(*FirstLI);
// Add all operands to the new PHI and combine TBAA metadata.
for (auto Incoming : drop_begin(zip(PN.blocks(), PN.incoming_values()))) {
BasicBlock *BB = std::get<0>(Incoming);
Value *V = std::get<1>(Incoming);
LoadInst *LI = cast<LoadInst>(V);
- combineMetadata(NewLI, LI, KnownIDs, true);
+ combineMetadataForCSE(NewLI, LI, true);
Value *NewInVal = LI->getOperand(0);
if (NewInVal != InVal)
InVal = nullptr;