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[X86][3DNow!] Add tests to ensure PFMAX/PFMIN are not commuted.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@294848 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2017-02-11 14:01:37 +00:00
parent bff8d8792a
commit ec8a2fa14d
1 changed files with 64 additions and 0 deletions
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64
test/CodeGen/X86/commute-3dnow.ll
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@ -118,6 +118,70 @@ define void @commute_m_pfmul(x86_mmx *%a0, x86_mmx *%a1, x86_mmx *%a2) nounwind
}
declare x86_mmx @llvm.x86.3dnow.pfmul(x86_mmx, x86_mmx)
; PFMAX can't commute without fast-math.
define void @commute_m_pfmax(x86_mmx *%a0, x86_mmx *%a1, x86_mmx *%a2) nounwind {
; X32-LABEL: commute_m_pfmax:
; X32: # BB#0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
; X32-NEXT: movq (%edx), %mm0
; X32-NEXT: movq (%ecx), %mm1
; X32-NEXT: pfmax (%eax), %mm0
; X32-NEXT: pfmax %mm0, %mm1
; X32-NEXT: movq %mm1, (%ecx)
; X32-NEXT: retl
;
; X64-LABEL: commute_m_pfmax:
; X64: # BB#0:
; X64-NEXT: movq (%rdi), %mm0
; X64-NEXT: movq (%rdx), %mm1
; X64-NEXT: pfmax (%rsi), %mm0
; X64-NEXT: pfmax %mm0, %mm1
; X64-NEXT: movq %mm1, (%rdx)
; X64-NEXT: retq
%1 = load x86_mmx, x86_mmx* %a0
%2 = load x86_mmx, x86_mmx* %a1
%3 = load x86_mmx, x86_mmx* %a2
%4 = tail call x86_mmx @llvm.x86.3dnow.pfmax(x86_mmx %1, x86_mmx %2)
%5 = tail call x86_mmx @llvm.x86.3dnow.pfmax(x86_mmx %3, x86_mmx %4)
store x86_mmx %5, x86_mmx* %a2
ret void
}
declare x86_mmx @llvm.x86.3dnow.pfmax(x86_mmx, x86_mmx)
; PFMIN can't commute without fast-math.
define void @commute_m_pfmin(x86_mmx *%a0, x86_mmx *%a1, x86_mmx *%a2) nounwind {
; X32-LABEL: commute_m_pfmin:
; X32: # BB#0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
; X32-NEXT: movq (%edx), %mm0
; X32-NEXT: movq (%ecx), %mm1
; X32-NEXT: pfmin (%eax), %mm0
; X32-NEXT: pfmin %mm0, %mm1
; X32-NEXT: movq %mm1, (%ecx)
; X32-NEXT: retl
;
; X64-LABEL: commute_m_pfmin:
; X64: # BB#0:
; X64-NEXT: movq (%rdi), %mm0
; X64-NEXT: movq (%rdx), %mm1
; X64-NEXT: pfmin (%rsi), %mm0
; X64-NEXT: pfmin %mm0, %mm1
; X64-NEXT: movq %mm1, (%rdx)
; X64-NEXT: retq
%1 = load x86_mmx, x86_mmx* %a0
%2 = load x86_mmx, x86_mmx* %a1
%3 = load x86_mmx, x86_mmx* %a2
%4 = tail call x86_mmx @llvm.x86.3dnow.pfmin(x86_mmx %1, x86_mmx %2)
%5 = tail call x86_mmx @llvm.x86.3dnow.pfmin(x86_mmx %3, x86_mmx %4)
store x86_mmx %5, x86_mmx* %a2
ret void
}
declare x86_mmx @llvm.x86.3dnow.pfmin(x86_mmx, x86_mmx)
define void @commute_m_pfcmpeq(x86_mmx *%a0, x86_mmx *%a1, x86_mmx *%a2) nounwind {
; X32-LABEL: commute_m_pfcmpeq:
; X32: # BB#0: