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| author | anjenner <161845516+anjenner@users.noreply.github.com> | 2025-12-09 23:13:33 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-12-09 23:13:33 +0000 |
| commit | 27651133e213a6a1eb4d0e47837625cee3613111 (patch) | |
| tree | dfc27f4c48aefacb3fc7e2a709f8fc92a19bd7e7 /llvm/lib/IR | |
| parent | 0a2e56df64c936bacc746aeb94878d66ee00dec3 (diff) | |
| download | llvm-main.zip llvm-main.tar.gz llvm-main.tar.bz2 | |
These both perform conditional subtraction, returning the minuend and
zero respectively, if the difference is negative.
Diffstat (limited to 'llvm/lib/IR')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index e67f1ec..2202b08 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -1274,9 +1274,10 @@ static bool upgradeIntrinsicFunction1(Function *F, Function *&NewFn, } if (Name.consume_front("atomic.")) { - if (Name.starts_with("inc") || Name.starts_with("dec")) { - // These were replaced with atomicrmw uinc_wrap and udec_wrap, so - // there's no new declaration. + if (Name.starts_with("inc") || Name.starts_with("dec") || + Name.starts_with("cond.sub") || Name.starts_with("csub")) { + // These were replaced with atomicrmw uinc_wrap, udec_wrap, usub_cond + // and usub_sat so there's no new declaration. NewFn = nullptr; return true; } @@ -4606,7 +4607,9 @@ static Value *upgradeAMDGCNIntrinsicCall(StringRef Name, CallBase *CI, .StartsWith("global.atomic.fmin", AtomicRMWInst::FMin) .StartsWith("flat.atomic.fmin", AtomicRMWInst::FMin) .StartsWith("global.atomic.fmax", AtomicRMWInst::FMax) - .StartsWith("flat.atomic.fmax", AtomicRMWInst::FMax); + .StartsWith("flat.atomic.fmax", AtomicRMWInst::FMax) + .StartsWith("atomic.cond.sub", AtomicRMWInst::USubCond) + .StartsWith("atomic.csub", AtomicRMWInst::USubSat); unsigned NumOperands = CI->getNumOperands(); if (NumOperands < 3) // Malformed bitcode. |