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| author | choikwa <5455710+choikwa@users.noreply.github.com> | 2024-11-20 11:22:09 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-20 11:22:09 -0500 |
| commit | b8e1d4dbea8905e48d51a70bf75cb8fababa4a60 (patch) | |
| tree | f0d93ab996dfb4a9718c7f1877982a9b9cfbaffc /llvm/lib/Transforms/Utils/Local.cpp | |
| parent | 9d5b3c80175da59728d13c779051eaf5311c64f7 (diff) | |
| download | llvm-b8e1d4dbea8905e48d51a70bf75cb8fababa4a60.zip llvm-b8e1d4dbea8905e48d51a70bf75cb8fababa4a60.tar.gz llvm-b8e1d4dbea8905e48d51a70bf75cb8fababa4a60.tar.bz2 | |
[AMDGPU] prevent shrinking udiv/urem if either operand is in (SignedMax,UnsignedMax] (#116733)
Do this by using ComputeKnownBits and checking for !isNonNegative and
isUnsigned. This rejects shrinking unsigned div/rem if operands exceed
smax_bitwidth since we know NumSignBits will be always 0.
Diffstat (limited to 'llvm/lib/Transforms/Utils/Local.cpp')
0 files changed, 0 insertions, 0 deletions