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(parent: 3303195) | patch
[X86] Don't crash on instruction prefetch intrinsics without PREFETCHI support.
authorCraig Topper <craig.topper@sifive.com>
Mon, 22 May 2023 04:31:21 +0000 (21:31 -0700)
committerCraig Topper <craig.topper@sifive.com>
Mon, 22 May 2023 04:31:21 +0000 (21:31 -0700)
commit022aefa59c28323d961603abaa34caaffe273ee4
treec36aab3bbcafa39d0f6a1b32759923908a8cc5fetree | snapshot
parent330319557f6ef303e2769c3de9fc901771d61210commit | diff
[X86] Don't crash on instruction prefetch intrinsics without PREFETCHI support.

Instead of failing to select during isel, drop the intrinsic in
lowering.

Fixes PR62839.

Reviewed By: pengfei

Differential Revision: https://reviews.llvm.org/D151050
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/prefetchi.ll diff | blob | history
Domain: System / Toolchain;