test/CodeGen/AArch64/GlobalISel/fold-brcond-fcmp.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
#
# Test that we don't have to emit a CSINC when emitting a G_FCMP being used by
# a G_BRCOND.
#
# Condition codes which require more than one instruction should have two Bccs.

...
---
name:            oeq
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: oeq
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 0, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(oeq), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ogt
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ogt
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 12, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ogt), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            oge
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: oge
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 10, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(oge), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            olt
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: olt
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 4, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(olt), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ole
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ole
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 9, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ole), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            one
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: one
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 4, %bb.2, implicit $nzcv
  ; CHECK:   Bcc 12, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(one), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ord
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ord
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 7, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ord), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            uno
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: uno
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 6, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(uno), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ueq
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ueq
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 0, %bb.2, implicit $nzcv
  ; CHECK:   Bcc 6, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ueq), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ugt
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ugt
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 8, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ugt), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            uge
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: uge
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 5, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(uge), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ult
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ult
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 11, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ult), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            ule
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: ule
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 13, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(ule), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1

...
---
name:            une
legalized:       true
regBankSelected: true
tracksRegLiveness: true
body:             |
  ; CHECK-LABEL: name: une
  ; CHECK: bb.0:
  ; CHECK:   successors: %bb.1(0x50000000), %bb.2(0x30000000)
  ; CHECK:   liveins: $s0, $s1, $w0, $w1
  ; CHECK:   %cmp_lhs:fpr32 = COPY $s0
  ; CHECK:   %cmp_rhs:fpr32 = COPY $s1
  ; CHECK:   FCMPSrr %cmp_lhs, %cmp_rhs, implicit-def $nzcv
  ; CHECK:   Bcc 1, %bb.2, implicit $nzcv
  ; CHECK:   B %bb.1
  ; CHECK: bb.1:
  ; CHECK:   $s0 = COPY %cmp_lhs
  ; CHECK:   RET_ReallyLR implicit $s0
  ; CHECK: bb.2:
  ; CHECK:   $s1 = COPY %cmp_rhs
  ; CHECK:   RET_ReallyLR implicit $s1
  bb.0:
    successors: %bb.1(0x50000000), %bb.2(0x30000000)
    liveins: $s0, $s1, $w0, $w1

    %cmp_lhs:fpr(s32) = COPY $s0
    %cmp_rhs:fpr(s32) = COPY $s1
    %fcmp:gpr(s32) = G_FCMP floatpred(une), %cmp_lhs(s32), %cmp_rhs
    %trunc:gpr(s1) = G_TRUNC %fcmp(s32)
    G_BRCOND %trunc(s1), %bb.2
    G_BR %bb.1
  bb.1:
    $s0 = COPY %cmp_lhs
    RET_ReallyLR implicit $s0
  bb.2:
    $s1 = COPY %cmp_rhs
    RET_ReallyLR implicit $s1