test/CodeGen/AMDGPU/GlobalISel/legalize-brcond.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck -check-prefix=WAVE64 %s
# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=gfx1010 -mattr=+wavefrontsize32,-wavefrontsize64 -O0 -run-pass=legalizer -verify-machineinstrs %s -o - | FileCheck -check-prefix=WAVE32 %s

---
name: legal_brcond_vcc
body:             |
  ; WAVE64-LABEL: name: legal_brcond_vcc
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   G_BRCOND [[ICMP]](s1), %bb.1
  ; WAVE64: bb.1:
  ; WAVE32-LABEL: name: legal_brcond_vcc
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   G_BRCOND [[ICMP]](s1), %bb.1
  ; WAVE32: bb.1:
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    G_BRCOND %2, %bb.1

  bb.1:
...

---

name: legal_brcond_sgpr_s1

body: |
  ; WAVE64-LABEL: name: legal_brcond_sgpr_s1
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   G_BRCOND [[ICMP]](s1), %bb.1
  ; WAVE64: bb.1:
  ; WAVE32-LABEL: name: legal_brcond_sgpr_s1
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:_(s1) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   G_BRCOND [[ICMP]](s1), %bb.1
  ; WAVE32: bb.1:
  bb.0:
    liveins: $sgpr0, $sgpr1

    %0:_(s32) = COPY $sgpr0
    %1:_(s32) = COPY $sgpr1
    %2:_(s1) = G_ICMP intpred(eq), %0, %1
    G_BRCOND %2, %bb.1

  bb.1:

...

---

name: legal_brcond_sgpr_s32

body: |
  ; WAVE64-LABEL: name: legal_brcond_sgpr_s32
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   G_BRCOND [[ICMP]](s32), %bb.1
  ; WAVE64: bb.1:
  ; WAVE32-LABEL: name: legal_brcond_sgpr_s32
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $sgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $sgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(eq), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   G_BRCOND [[ICMP]](s32), %bb.1
  ; WAVE32: bb.1:
  bb.0:
    liveins: $sgpr0, $sgpr1

    %0:_(s32) = COPY $sgpr0
    %1:_(s32) = COPY $sgpr1
    %2:_(s32) = G_ICMP intpred(eq), %0, %1
    G_BRCOND %2, %bb.1

  bb.1:

...

---
name: brcond_si_if
body:             |
  ; WAVE64-LABEL: name: brcond_si_if
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   [[SI_IF:%[0-9]+]]:sreg_64_xexec(s64) = SI_IF [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.1:
  ; WAVE32-LABEL: name: brcond_si_if
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:sreg_32_xm0_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   [[SI_IF:%[0-9]+]]:sreg_32_xm0_xexec(s64) = SI_IF [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.1:
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2
    G_BRCOND %3, %bb.1

  bb.1:
...

---
name: brcond_si_else
body:             |
  ; WAVE64-LABEL: name: brcond_si_else
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   [[SI_ELSE:%[0-9]+]]:sreg_64_xexec(s64) = SI_ELSE [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.1:
  ; WAVE32-LABEL: name: brcond_si_else
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:sreg_32_xm0_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   [[SI_ELSE:%[0-9]+]]:sreg_32_xm0_xexec(s64) = SI_ELSE [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.1:
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.else), %2
    G_BRCOND %3, %bb.1

  bb.1:
...

---
name: brcond_si_loop_brcond
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_brcond
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.2
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 0
  ; WAVE32-LABEL: name: brcond_si_loop_brcond
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.2
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 0
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    G_BRCOND %3, %bb.2
    G_BR %bb.1

  bb.2:
    S_NOP 0
...

# This usage is backwards from how the intrinsic is supposed to be
# used.
---
name: brcond_si_loop_brcond_back
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_brcond_back
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 0
  ; WAVE32-LABEL: name: brcond_si_loop_brcond_back
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 0
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    G_BRCOND %3, %bb.1
    G_BR %bb.2

  bb.2:
    S_NOP 0
...

# This usage is backwards from how the intrinsic is supposed to be
# used.
---
name: brcond_si_loop_brcond_back_fallthrough
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_brcond_back_fallthrough
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.2:
  ; WAVE32-LABEL: name: brcond_si_loop_brcond_back_fallthrough
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.2:
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    G_BRCOND %3, %bb.1

  bb.2:
...

# There's another instruction between the intrinsic and the
# conditional branch, so we need to move the insert point.
---
name: brcond_si_if_need_insert_terminator_point
body:             |
  ; WAVE64-LABEL: name: brcond_si_if_need_insert_terminator_point
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
  ; WAVE64:   [[SI_IF:%[0-9]+]]:sreg_64_xexec(s64) = SI_IF [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.1:
  ; WAVE64:   S_ENDPGM 0, implicit [[COPY2]](s32)
  ; WAVE32-LABEL: name: brcond_si_if_need_insert_terminator_point
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:sreg_32_xm0_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   [[COPY2:%[0-9]+]]:_(s32) = COPY $vgpr2
  ; WAVE32:   [[SI_IF:%[0-9]+]]:sreg_32_xm0_xexec(s64) = SI_IF [[ICMP]](s1), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.1:
  ; WAVE32:   S_ENDPGM 0, implicit [[COPY2]](s32)
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1, $vgpr2
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2
    %5:_(s32) = COPY $vgpr2
    G_BRCOND %3, %bb.1

  bb.1:
    S_ENDPGM 0, implicit %5
...

---
name: brcond_si_loop_need_terminator_insert_point
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_need_terminator_insert_point
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   S_NOP 0
  ; WAVE64:   S_NOP 0
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.2
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 0
  ; WAVE32-LABEL: name: brcond_si_loop_need_terminator_insert_point
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   S_NOP 0
  ; WAVE32:   S_NOP 0
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.2
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 0
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    S_NOP 0
    S_NOP 0
    G_BRCOND %3, %bb.2
    G_BR %bb.1

  bb.2:
    S_NOP 0
...

---
name: brcond_si_if_negated
body:             |
  ; WAVE64-LABEL: name: brcond_si_if_negated
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE64:   [[SI_IF:%[0-9]+]]:sreg_64_xexec(s64) = SI_IF [[ICMP]](s1), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.2(0x80000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 1
  ; WAVE32-LABEL: name: brcond_si_if_negated
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:sreg_32_xm0_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE32:   [[SI_IF:%[0-9]+]]:sreg_32_xm0_xexec(s64) = SI_IF [[ICMP]](s1), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.2(0x80000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 1
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2
    %5:_(s1) = G_CONSTANT i1 true
    %6:_(s1) = G_XOR %3, %5
    G_BRCOND %6, %bb.2

  bb.1:
    S_NOP 0

  bb.2:
    S_NOP 1
...

---
name: brcond_si_if_br_negated
body:             |
  ; WAVE64-LABEL: name: brcond_si_if_br_negated
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[ICMP:%[0-9]+]]:sreg_64_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE64:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE64:   [[SI_IF:%[0-9]+]]:sreg_64_xexec(s64) = SI_IF [[ICMP]](s1), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.3
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.2(0x80000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64: bb.2:
  ; WAVE64:   successors: %bb.3(0x80000000)
  ; WAVE64:   S_NOP 1
  ; WAVE64: bb.3:
  ; WAVE64:   S_NOP 2
  ; WAVE32-LABEL: name: brcond_si_if_br_negated
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[ICMP:%[0-9]+]]:sreg_32_xm0_xexec(s1) = G_ICMP intpred(ne), [[COPY]](s32), [[COPY1]]
  ; WAVE32:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE32:   [[SI_IF:%[0-9]+]]:sreg_32_xm0_xexec(s64) = SI_IF [[ICMP]](s1), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.3
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.2(0x80000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32: bb.2:
  ; WAVE32:   successors: %bb.3(0x80000000)
  ; WAVE32:   S_NOP 1
  ; WAVE32: bb.3:
  ; WAVE32:   S_NOP 2
  bb.0:
    successors: %bb.1
    liveins: $vgpr0, $vgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s1) = G_ICMP intpred(ne), %0, %1
    %3:_(s1), %4:_(s64) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.if), %2
    %5:_(s1) = G_CONSTANT i1 true
    %6:_(s1) = G_XOR %3, %5
    G_BRCOND %6, %bb.2
    G_BR %bb.3

  bb.1:
    S_NOP 0

  bb.2:
    S_NOP 1

  bb.3:
    S_NOP 2
...

---
name: brcond_si_loop_brcond_negated
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_brcond_negated
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.2
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 0
  ; WAVE32-LABEL: name: brcond_si_loop_brcond_negated
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.1, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.2
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 0
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    %4:_(s1) = G_CONSTANT i1 true
    %5:_(s1) = G_XOR %3, %4
    G_BRCOND %5, %bb.1

  bb.2:
    S_NOP 0
...

---
name: brcond_si_loop_brcond_br_negated
tracksRegLiveness: true
body:             |
  ; WAVE64-LABEL: name: brcond_si_loop_brcond_br_negated
  ; WAVE64: bb.0:
  ; WAVE64:   successors: %bb.1(0x80000000)
  ; WAVE64:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE64:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE64:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE64:   [[COPY2:%[0-9]+]]:sreg_64_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE64: bb.1:
  ; WAVE64:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE64:   S_NOP 0
  ; WAVE64:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE64:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE64:   G_BR %bb.1
  ; WAVE64: bb.2:
  ; WAVE64:   S_NOP 0
  ; WAVE32-LABEL: name: brcond_si_loop_brcond_br_negated
  ; WAVE32: bb.0:
  ; WAVE32:   successors: %bb.1(0x80000000)
  ; WAVE32:   liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
  ; WAVE32:   [[COPY:%[0-9]+]]:_(s32) = COPY $vgpr0
  ; WAVE32:   [[COPY1:%[0-9]+]]:_(s32) = COPY $vgpr1
  ; WAVE32:   [[COPY2:%[0-9]+]]:sreg_32_xm0_xexec(s64) = COPY $sgpr0_sgpr1
  ; WAVE32: bb.1:
  ; WAVE32:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
  ; WAVE32:   S_NOP 0
  ; WAVE32:   [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
  ; WAVE32:   SI_LOOP [[COPY2]](s64), %bb.2, implicit-def $exec, implicit-def $scc, implicit $exec
  ; WAVE32:   G_BR %bb.1
  ; WAVE32: bb.2:
  ; WAVE32:   S_NOP 0
  bb.0:
    liveins: $vgpr0, $vgpr1, $sgpr0_sgpr1
    %0:_(s32) = COPY $vgpr0
    %1:_(s32) = COPY $vgpr1
    %2:_(s64) = COPY $sgpr0_sgpr1

  bb.1:
    successors: %bb.1, %bb.2
    S_NOP 0
    %3:_(s1) = G_INTRINSIC_W_SIDE_EFFECTS intrinsic(@llvm.amdgcn.loop), %2
    %4:_(s1) = G_CONSTANT i1 true
    %5:_(s1) = G_XOR %3, %4
    G_BRCOND %5, %bb.2
    G_BR %bb.1

  bb.2:
    S_NOP 0
...