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| author | Craig Topper <craig.topper@sifive.com> | 2023-07-19 12:33:08 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2023-07-19 12:33:08 -0700 |
| commit | 7dfe62327db81cc5ee3e29a994818370d95dc9e3 (patch) | |
| tree | 59485580539feafa0312479dad9d9d99468bc4d0 /clang/lib/CodeGen/CodeGenFunction.cpp | |
| parent | 2efe88b50e8c96c53dbe41bcb907cc368a1fb0d7 (diff) | |
| download | llvm-7dfe62327db81cc5ee3e29a994818370d95dc9e3.zip llvm-7dfe62327db81cc5ee3e29a994818370d95dc9e3.tar.gz llvm-7dfe62327db81cc5ee3e29a994818370d95dc9e3.tar.bz2 | |
[RISCV] Add a DAG combine for (czero_eq X, (xor Y, 1)) -> (czero_ne X, Y) if Y is 0 or 1.
This is an alternative to D155288 that can handle other sources of
xori like FP compares. Unfortunately, it misses the i64 setge case
on RV32 in condops.ll.
Reviewed By: asb
Differential Revision: https://reviews.llvm.org/D155328
Diffstat (limited to 'clang/lib/CodeGen/CodeGenFunction.cpp')
0 files changed, 0 insertions, 0 deletions