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[X86] mfence.ll - add COMMON prefix + replace X32 with X86 prefix

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We try to only use X32 for gnux32 triple

Noticed while reviewing #106555
This commit is contained in:
Simon Pilgrim 2025-03-07 10:34:39 +00:00
parent e9de91e989
commit bd3bde8900
1 changed files with 12 additions and 17 deletions
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29
llvm/test/CodeGen/X86/mfence.ll
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@ -1,30 +1,25 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X32
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2 | FileCheck %s --check-prefix=X64
; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,X86
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2 | FileCheck %s --check-prefixes=CHECK,X64
; It doesn't matter if an x86-64 target has specified "no-sse2"; we still can use mfence.
define void @test() {
; X32-LABEL: test:
; X32: # %bb.0:
; X32-NEXT: mfence
; X32-NEXT: retl
;
; X64-LABEL: test:
; X64: # %bb.0:
; X64-NEXT: mfence
; X64-NEXT: retq
; CHECK-LABEL: test:
; CHECK: # %bb.0:
; CHECK-NEXT: mfence
; CHECK-NEXT: ret{{[l|q]}}
fence seq_cst
ret void
}
define i32 @fence(ptr %ptr) {
; X32-LABEL: fence:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: mfence
; X32-NEXT: movl (%eax), %eax
; X32-NEXT: retl
; X86-LABEL: fence:
; X86: # %bb.0:
; X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; X86-NEXT: mfence
; X86-NEXT: movl (%eax), %eax
; X86-NEXT: retl
;
; X64-LABEL: fence:
; X64: # %bb.0: