From 25a3130d89f00f53a23f7fc38250d5dc43e29cfb Mon Sep 17 00:00:00 2001 From: Johannes Doerfert Date: Mon, 19 Jul 2021 15:31:10 -0500 Subject: [Local] Do not introduce a new `llvm.trap` before `unreachable` This is the second attempt to remove the `llvm.trap` insertion after https://reviews.llvm.org/rGe14e7bc4b889dfaffb7180d176a03311df2d4ae6 reverted the first one. It is not clear what the exact issue was back then and it might already be gone by now, it has been >5 years after all. Replaces D106299. Differential Revision: https://reviews.llvm.org/D106308 --- llvm/lib/Transforms/Utils/LoopUnroll.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'llvm/lib/Transforms/Utils/LoopUnroll.cpp') diff --git a/llvm/lib/Transforms/Utils/LoopUnroll.cpp b/llvm/lib/Transforms/Utils/LoopUnroll.cpp index 78b3c77..a91bf7b 100644 --- a/llvm/lib/Transforms/Utils/LoopUnroll.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnroll.cpp @@ -739,8 +739,7 @@ LoopUnrollResult llvm::UnrollLoop(Loop *L, UnrollLoopOptions ULO, LoopInfo *LI, // When completely unrolling, the last latch becomes unreachable. if (!LatchIsExiting && CompletelyUnroll) - changeToUnreachable(Latches.back()->getTerminator(), /* UseTrap */ false, - PreserveLCSSA, &DTU); + changeToUnreachable(Latches.back()->getTerminator(), PreserveLCSSA, &DTU); // Merge adjacent basic blocks, if possible. for (BasicBlock *Latch : Latches) { -- cgit v1.1