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| author | David Sherwood <david.sherwood@arm.com> | 2022-01-13 15:59:03 +0000 |
|---|---|---|
| committer | David Sherwood <david.sherwood@arm.com> | 2022-01-13 15:59:43 +0000 |
| commit | ba471ba8d2a37617684e0bd87fe15b583f7e7de0 (patch) | |
| tree | e75865f9caa8aabb775bec1a6ddff8a6c73bcb1a /llvm/lib/CodeGen/CodeGenPrepare.cpp | |
| parent | fe17ce0fa6626f79be663ab9948c1ed24d8e2b85 (diff) | |
| download | llvm-ba471ba8d2a37617684e0bd87fe15b583f7e7de0.zip llvm-ba471ba8d2a37617684e0bd87fe15b583f7e7de0.tar.gz llvm-ba471ba8d2a37617684e0bd87fe15b583f7e7de0.tar.bz2 | |
Revert "[CodeGen][AArch64] Ensure isSExtCheaperThanZExt returns true for negative constants"
This reverts commit 31009f0b5afb504fc1f30769c038e1b7be6ea45b.
It seems to be causing SVE VLA buildbot failures and has introduced a
genuine regression. Reverting for now.
Diffstat (limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/CodeGenPrepare.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp index 8053f1d..747f4e4 100644 --- a/llvm/lib/CodeGen/CodeGenPrepare.cpp +++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -7004,7 +7004,7 @@ bool CodeGenPrepare::optimizeSwitchInst(SwitchInst *SI) { // matching the argument extension instead. Instruction::CastOps ExtType = Instruction::ZExt; // Some targets prefer SExt over ZExt. - if (TLI->isSExtCheaperThanZExt(OldVT, RegType, SDValue())) + if (TLI->isSExtCheaperThanZExt(OldVT, RegType)) ExtType = Instruction::SExt; if (auto *Arg = dyn_cast<Argument>(Cond)) { |