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| author | Dimitry Andric <dim@FreeBSD.org> | 2021-08-25 18:31:14 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2021-11-13 20:42:03 +0000 |
| commit | 6e75b2fbf9a03e6876e0a3c089e0b3ad71876125 (patch) | |
| tree | 99735c2ca8ca6802f71b32a2bd61f048b1fd749e /contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp | |
| parent | fe6060f10f634930ff71b7c50291ddc610da2475 (diff) | |
| parent | d545c2ce5ad1891282e8818b47ffe557c76a86b4 (diff) | |
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp b/contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp index 522d21812c6a..6e3ca5c4e08a 100644 --- a/contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp +++ b/contrib/llvm-project/llvm/lib/Analysis/ValueTracking.cpp @@ -6253,6 +6253,16 @@ CmpInst::Predicate llvm::getInverseMinMaxPred(SelectPatternFlavor SPF) { return getMinMaxPred(getInverseMinMaxFlavor(SPF)); } +APInt llvm::getMinMaxLimit(SelectPatternFlavor SPF, unsigned BitWidth) { + switch (SPF) { + case SPF_SMAX: return APInt::getSignedMaxValue(BitWidth); + case SPF_SMIN: return APInt::getSignedMinValue(BitWidth); + case SPF_UMAX: return APInt::getMaxValue(BitWidth); + case SPF_UMIN: return APInt::getMinValue(BitWidth); + default: llvm_unreachable("Unexpected flavor"); + } +} + std::pair<Intrinsic::ID, bool> llvm::canConvertToMinOrMaxIntrinsic(ArrayRef<Value *> VL) { // Check if VL contains select instructions that can be folded into a min/max |