[llvm] [X86] Truncate i64 sub to i32 when upper 33 bits are zeros (PR #145850)
Omkar Mohanty via llvm-commits
llvm-commits at lists.llvm.org
Thu Jul 10 04:55:32 PDT 2025
omkar-mohanty wrote:
I added new tests for `neg` and vector paths since some existing ones were failing due to the new `combineSub` logic. I wasn’t sure if modifying those tests directly was appropriate, so I added separate ones instead.
I also noticed some test case failures involving `setle`/`setg` instructions, but it’s unclear how they relate to `combineSub`, so I haven’t touched them yet.
https://github.com/llvm/llvm-project/pull/145850
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