Revert "[X86][MC] Always emit `rep` prefix for `bsf`"
authorCraig Topper <craig.topper@sifive.com>
Wed, 3 Aug 2022 21:50:41 +0000 (14:50 -0700)
committerCraig Topper <craig.topper@sifive.com>
Wed, 3 Aug 2022 21:51:34 +0000 (14:51 -0700)
commit84e91948289cd606a0cd8a3372398b363d4b5460
tree48756805e9686e862b56d3fdc4d9dc9aaa7d82f2
parent9ffcc85fbe52b4480a82749e58b19c3ea5be5e99
Revert "[X86][MC] Always emit `rep` prefix for `bsf`"

This reverts commit c2066d19cda20d0e98b95da1493e6c3f26fd9618.

It's causing failures on the build bots.
llvm/lib/Target/X86/X86MCInstLower.cpp
llvm/test/CodeGen/X86/clz.ll
llvm/test/CodeGen/X86/dagcombine-select.ll
llvm/test/CodeGen/X86/peephole-na-phys-copy-folding.ll
llvm/test/CodeGen/X86/stack-folding-x86_64.ll