llvm/test/CodeGen/PowerPC/branch_coalescing.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 3
# RUN: llc -o - %s -run-pass=ppc-branch-coalescing | FileCheck %s
--- |
  target triple = "powerpc64le-unknown-linux-gnu"

  define double @testBranchCoal(double %a, double %b, double %c, i32 %x) {
    unreachable
  }
...
---
name:            testBranchCoal
alignment:       16
tracksRegLiveness: true
liveins:
  - { reg: '$f1', virtual-reg: '%0' }
  - { reg: '$f2', virtual-reg: '%1' }
  - { reg: '$f3', virtual-reg: '%2' }
  - { reg: '$x6', virtual-reg: '%3' }
frameInfo:
  maxAlignment:    1
constants:
  - id:              0
    value:           double 2.000000e-03
    alignment:       8
  - id:              1
    value:           double 5.000000e-03
    alignment:       8
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: testBranchCoal
  ; CHECK: bb.0:
  ; CHECK-NEXT:   successors: %bb.1(0x1c71c71d), %bb.6(0x638e38e3)
  ; CHECK-NEXT:   liveins: $f1, $f2, $f3, $x2, $x6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:g8rc = COPY $x6
  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:f8rc = COPY $f3
  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:f8rc = COPY $f2
  ; CHECK-NEXT:   [[COPY3:%[0-9]+]]:f8rc = COPY $f1
  ; CHECK-NEXT:   [[COPY4:%[0-9]+]]:gprc = COPY [[COPY]].sub_32
  ; CHECK-NEXT:   [[COPY5:%[0-9]+]]:g8rc_and_g8rc_nox0 = COPY $x2
  ; CHECK-NEXT:   [[CMPLWI:%[0-9]+]]:crrc = CMPLWI killed [[COPY4]], 0
  ; CHECK-NEXT:   [[ADDIStocHA8_:%[0-9]+]]:g8rc_and_g8rc_nox0 = ADDIStocHA8 [[COPY5]], %const.0
  ; CHECK-NEXT:   [[LFD:%[0-9]+]]:f8rc = LFD target-flags(ppc-toc-lo) %const.0, killed [[ADDIStocHA8_]] :: (load (s64) from constant-pool)
  ; CHECK-NEXT:   [[XXLXORdpz:%[0-9]+]]:f8rc = XXLXORdpz
  ; CHECK-NEXT:   [[ADDIStocHA8_1:%[0-9]+]]:g8rc_and_g8rc_nox0 = ADDIStocHA8 [[COPY5]], %const.1
  ; CHECK-NEXT:   [[LFD1:%[0-9]+]]:f8rc = LFD target-flags(ppc-toc-lo) %const.1, killed [[ADDIStocHA8_1]] :: (load (s64) from constant-pool)
  ; CHECK-NEXT:   BCC 76, [[CMPLWI]], %bb.6
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.1:
  ; CHECK-NEXT:   successors: %bb.6(0x80000000)
  ; CHECK-NEXT: {{  $}}
  ; CHECK-NEXT: bb.6:
  ; CHECK-NEXT:   [[PHI:%[0-9]+]]:f8rc = PHI [[LFD]], %bb.1, [[COPY3]], %bb.0
  ; CHECK-NEXT:   [[PHI1:%[0-9]+]]:f8rc = PHI [[XXLXORdpz]], %bb.1, [[COPY2]], %bb.0
  ; CHECK-NEXT:   [[PHI2:%[0-9]+]]:f8rc = PHI [[LFD1]], %bb.1, [[COPY1]], %bb.0
  ; CHECK-NEXT:   [[XSADDDP:%[0-9]+]]:vsfrc = nofpexcept XSADDDP killed [[PHI]], killed [[PHI1]], implicit $rm
  ; CHECK-NEXT:   [[XSADDDP1:%[0-9]+]]:vsfrc = nofpexcept XSADDDP killed [[XSADDDP]], killed [[PHI2]], implicit $rm
  ; CHECK-NEXT:   $f1 = COPY [[XSADDDP1]]
  ; CHECK-NEXT:   BLR8 implicit $lr8, implicit $rm, implicit $f1
  bb.0:
    successors: %bb.1, %bb.2
    liveins: $f1, $f2, $f3, $x2, $x6

    %3:g8rc = COPY $x6
    %2:f8rc = COPY $f3
    %1:f8rc = COPY $f2
    %0:f8rc = COPY $f1
    %4:gprc = COPY %3.sub_32
    %16:g8rc_and_g8rc_nox0 = COPY $x2
    %5:crrc = CMPLWI killed %4, 0
    %6:g8rc_and_g8rc_nox0 = ADDIStocHA8 %16, %const.0
    %7:f8rc = LFD target-flags(ppc-toc-lo) %const.0, killed %6 :: (load (s64) from constant-pool)
    BCC 76, %5, %bb.2

  bb.1:

  bb.2:
    successors: %bb.3, %bb.4

    %8:f8rc = PHI %7, %bb.1, %0, %bb.0
    %9:f8rc = XXLXORdpz
    BCC 76, %5, %bb.4

  bb.3:

  bb.4:
    successors: %bb.5, %bb.6

    %10:f8rc = PHI %9, %bb.3, %1, %bb.2
    %11:g8rc_and_g8rc_nox0 = ADDIStocHA8 %16, %const.1
    %12:f8rc = LFD target-flags(ppc-toc-lo) %const.1, killed %11 :: (load (s64) from constant-pool)
    BCC 76, %5, %bb.6

  bb.5:

  bb.6:
    %13:f8rc = PHI %12, %bb.5, %2, %bb.4
    %14:vsfrc = nofpexcept XSADDDP killed %8, killed %10, implicit $rm
    %15:vsfrc = nofpexcept XSADDDP killed %14, killed %13, implicit $rm
    $f1 = COPY %15
    BLR8 implicit $lr8, implicit $rm, implicit $f1

...