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| author | Sanjay Patel <spatel@rotateright.com> | 2022-07-21 15:07:06 -0400 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2022-07-21 15:23:57 -0400 |
| commit | 78c09f0f24b6af6d17aeef93c13c54e251e57e8c (patch) | |
| tree | 04e78dc827b9a71bb6211c536ad714abfee9661f /llvm/lib/Transforms/Utils/BuildLibCalls.cpp | |
| parent | b03891268cc378ce01a8da40483224aa1cfee5b6 (diff) | |
| download | llvm-78c09f0f24b6af6d17aeef93c13c54e251e57e8c.zip llvm-78c09f0f24b6af6d17aeef93c13c54e251e57e8c.tar.gz llvm-78c09f0f24b6af6d17aeef93c13c54e251e57e8c.tar.bz2 | |
[PatternMatch][InstCombine] match a vector with constant expression element(s) as a constant expression
The InstCombine test is reduced from issue #56601. Without the more
liberal match for ConstantExpr, we try to rearrange constants in
Negator forever.
Alternatively, we could adjust the definition of m_ImmConstant to be
more conservative, but that's probably a larger patch, and I don't
see any downside to changing m_ConstantExpr. We never capture and
modify a ConstantExpr; transforms just want to avoid it.
Differential Revision: https://reviews.llvm.org/D130286
Diffstat (limited to 'llvm/lib/Transforms/Utils/BuildLibCalls.cpp')
0 files changed, 0 insertions, 0 deletions