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[X86] Add CLWB schedule test 

llvm-svn: 320644
This commit is contained in:
Simon Pilgrim 2017-12-13 22:09:09 +00:00
parent 6e294952b6
commit 49dbfe7de9
1 changed files with 18 additions and 0 deletions
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18
llvm/test/CodeGen/X86/clwb-schedule.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+clwb | FileCheck %s --check-prefix=GENERIC
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skx | FileCheck %s --check-prefix=SKX
define void @clwb(i8* %a0) nounwind {
; GENERIC-LABEL: clwb:
; GENERIC: # %bb.0:
; GENERIC-NEXT: clwb (%rdi) # sched: [4:0.50]
; GENERIC-NEXT: retq # sched: [1:1.00]
;
; SKX-LABEL: clwb:
; SKX: # %bb.0:
; SKX-NEXT: clwb (%rdi) # sched: [5:0.50]
; SKX-NEXT: retq # sched: [7:1.00]
tail call void @llvm.x86.clwb(i8* %a0)
ret void
}
declare void @llvm.x86.clwb(i8*) nounwind