llvm-project/llvm/test/CodeGen/X86/stack-folding-3dnow.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+3dnow | FileCheck %s

define x86_mmx @stack_fold_pavgusb(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pavgusb:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pavgusb {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pavgusb(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pavgusb(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pf2id(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pf2id:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pf2id {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pf2id(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pf2id(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pf2iw(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pf2iw:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pf2iw {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnowa.pf2iw(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnowa.pf2iw(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfacc(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfacc:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfacc {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfacc(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfacc(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfadd(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfadd:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfadd {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfadd(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfadd(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfcmpeq(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfcmpeq:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfcmpeq {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfcmpeq(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfcmpeq(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfcmpge(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfcmpge:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfcmpge {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfcmpge(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfcmpge(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfcmpgt(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfcmpgt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfcmpgt {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfcmpgt(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfcmpgt(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfmax(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfmax:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfmax {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfmax(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfmax(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfmin(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfmin:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfmin {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfmin(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfmin(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfmul(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfmul:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfmul {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfmul(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfmul(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfnacc(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfnacc:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfnacc {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnowa.pfnacc(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnowa.pfnacc(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfpnacc(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfpnacc:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfpnacc {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnowa.pfpnacc(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnowa.pfpnacc(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfrcp(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pfrcp:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfrcp {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfrcp(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfrcp(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfrcpit1(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfrcpit1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfrcpit1 {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfrcpit1(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfrcpit1(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfrcpit2(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfrcpit2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfrcpit2 {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfrcpit2(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfrcpit2(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfrsqit1(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfrsqit1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfrsqit1 {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfrsqit1(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfrsqit1(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfrsqrt(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pfrsqrt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfrsqrt {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfrsqrt(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfrsqrt(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfsub(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfsub:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfsub {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfsub(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfsub(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pfsubr(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pfsubr:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pfsubr {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pfsubr(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pfsubr(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pi2fd(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pi2fd:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pi2fd {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pi2fd(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pi2fd(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pi2fw(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pi2fw:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pi2fw {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnowa.pi2fw(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnowa.pi2fw(x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pmulhrw(x86_mmx %a, x86_mmx %b) {
; CHECK-LABEL: stack_fold_pmulhrw:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm1, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pmulhrw {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnow.pmulhrw(x86_mmx %a, x86_mmx %b) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnow.pmulhrw(x86_mmx, x86_mmx) nounwind readnone

define x86_mmx @stack_fold_pswapd(x86_mmx %a) {
; CHECK-LABEL: stack_fold_pswapd:
; CHECK:       # %bb.0:
; CHECK-NEXT:    movq %mm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
; CHECK-NEXT:    #APP
; CHECK-NEXT:    nop
; CHECK-NEXT:    #NO_APP
; CHECK-NEXT:    pswapd {{[-0-9]+}}(%r{{[sb]}}p), %mm0 # 8-byte Folded Reload
; CHECK-NEXT:    # mm0 = mem[1,0]
; CHECK-NEXT:    movq2dq %mm0, %xmm0
; CHECK-NEXT:    retq
  %1 = tail call x86_mmx asm sideeffect "nop", "=y,~{mm1},~{mm2},~{mm3},~{mm4},~{mm5},~{mm6},~{mm7}"()
  %2 = call x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx %a) nounwind readnone
  ret x86_mmx %2
}
declare x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx) nounwind readnone