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| author | Nikita Popov <npopov@redhat.com> | 2024-06-25 12:02:16 +0200 |
|---|---|---|
| committer | Nikita Popov <npopov@redhat.com> | 2024-06-25 12:09:58 +0200 |
| commit | eeb0884e6696ec618feb2181a432d10f66d4e840 (patch) | |
| tree | a9082e2ec08204ef3472659d10629e3602a5a919 /llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | |
| parent | 9d45077df92a64ff8db5b249ac2f2d45e82ab73c (diff) | |
| download | llvm-eeb0884e6696ec618feb2181a432d10f66d4e840.zip llvm-eeb0884e6696ec618feb2181a432d10f66d4e840.tar.gz llvm-eeb0884e6696ec618feb2181a432d10f66d4e840.tar.bz2 | |
[LoopUnroll] Use poison instead of undef for preheader value
Diffstat (limited to 'llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 15303a1..01b653f 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -253,7 +253,7 @@ static void ConnectEpilog(Loop *L, Value *ModVal, BasicBlock *NewExit, assert(EpilogPN->getParent() == Exit && "EpilogPN should be in Exit block"); // Add incoming PreHeader from branch around the Loop - PN.addIncoming(UndefValue::get(PN.getType()), PreHeader); + PN.addIncoming(PoisonValue::get(PN.getType()), PreHeader); SE.forgetValue(&PN); Value *V = PN.getIncomingValueForBlock(Latch); @@ -272,7 +272,7 @@ static void ConnectEpilog(Loop *L, Value *ModVal, BasicBlock *NewExit, NewExit); // Now PHIs should look like: // NewExit: - // PN = PHI [I, Latch], [undef, PreHeader] + // PN = PHI [I, Latch], [poison, PreHeader] // ... // Exit: // EpilogPN = PHI [PN, NewExit], [VMap[I], EpilogLatch] |