llvm/test/CodeGen/SystemZ/foldmemop-vec-cmp.mir

# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=greedy %s -o - \
# RUN:   | FileCheck %s
#
# Test folding of a memory operand into an fp memory instruction.

--- |
  define void @fun0(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun1(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun2(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun3(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun4(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun5(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun6(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun7(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun8(double %arg0, double %arg1, ptr %Dst) { ret void }
  define void @fun9(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun10(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun11(float %arg0, float %arg1, ptr %Dst) { ret void }
  define void @fun12(float %arg0, float %arg1, ptr %Dst) { ret void }

...

# CHECK-LABEL: fun0:
# CHECK: cdb     %f0, 160(%r15)                  # 8-byte Folded Reload
---
name:            fun0
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: fp64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCDB %0, %1, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun1:
# CHECK: cdb     %f0, 160(%r15)                  # 8-byte Folded Reload
---
name:            fun1
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: fp64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCDB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CDB can't be used if one operand is a VR64 (and not FP64).
# CHECK-LABEL: fun2:
# CHECK:      ld      %f0, 160(%r15)                  # 8-byte Reload
# CHECK-NEXT: wfcdb   %v16, %f0
---
name:            fun2
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: vr64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:vr64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCDB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun3:
# CHECK: ceb     %f0, 164(%r15)                  # 4-byte Folded Reload
---
name:            fun3
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: fp32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCSB %0, %1, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun4:
# CHECK: ceb     %f0, 164(%r15)                  # 4-byte Folded Reload
---
name:            fun4
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: fp32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCSB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CEB can't be used if one operand is a VR32 (and not FP32).
# CHECK-LABEL: fun5:
# CHECK:      lde     %f0, 164(%r15)                  # 4-byte Reload
# CHECK-NEXT: wfcsb   %v16, %f0
---
name:            fun5
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: vr32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:vr32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFCSB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun6:
# CHECK: kdb     %f0, 160(%r15)                  # 8-byte Folded Reload
---
name:            fun6
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: fp64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKDB %0, %1, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun7:
# CHECK: kdb     %f0, 160(%r15)                  # 8-byte Folded Reload
---
name:            fun7
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: fp64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKDB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# KDB can't be used if one operand is a VR64 (and not FP64).
# CHECK-LABEL: fun8:
# CHECK:      ld      %f0, 160(%r15)                  # 8-byte Reload
# CHECK-NEXT: wfkdb   %v16, %f0
---
name:            fun8
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp64bit }
  - { id: 1, class: vr64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr64bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0d', virtual-reg: '%0' }
  - { reg: '$f2d', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0d, $f2d, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:vr64bit = COPY $f2d
    %0:fp64bit = COPY $f0d
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKDB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun9:
# CHECK: keb     %f0, 164(%r15)                  # 4-byte Folded Reload
---
name:            fun9
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: fp32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKSB %0, %1, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CHECK-LABEL: fun10:
# CHECK: keb     %f0, 164(%r15)                  # 4-byte Folded Reload
---
name:            fun10
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: fp32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:fp32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKSB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# CEB can't be used if one operand is a VR32 (and not FP32).
# CHECK-LABEL: fun11:
# CHECK:      lde     %f0, 164(%r15)                  # 4-byte Reload
# CHECK-NEXT: wfksb   %v16, %f0
---
name:            fun11
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: vr32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %1:vr32bit = COPY $f2s
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    nofpexcept WFKSB %1, %0, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...


# This test case involves a 128 bit operand (VGMF generating float 1.0).
# CHECK-LABEL: fun12:
# CHECK: vgmf    %v0, 2, 8
# CHECK-NEXT: ceb     %f0, 164(%r15)          # 4-byte Folded Reload
---
name:            fun12
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: fp32bit }
  - { id: 1, class: vr128bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: vr32bit }
  - { id: 4, class: gr64bit }
liveins:
  - { reg: '$f0s', virtual-reg: '%0' }
  - { reg: '$f2s', virtual-reg: '%1' }
  - { reg: '$r2d', virtual-reg: '%2' }
frameInfo:
  maxAlignment:    1
machineFunctionInfo: {}
body:             |
  bb.0:
    liveins: $f0s, $f2s, $r2d
  
    %2:addr64bit = COPY $r2d
    %0:fp32bit = COPY $f0s
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d
    %1:vr128bit = VGMF 2, 8
    nofpexcept WFCSB %0, %1.subreg_h32:vr128bit, implicit-def $cc, implicit $fpc
    %4:gr64bit = LGHI 0
    %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc
    STG %4, %2, 0, $noreg :: (store (s64) into %ir.Dst)
    Return

...