llvm/test/CodeGen/MIR/X86/newline-handling.mir

# RUN: llc -march=x86-64 -run-pass none -o - %s | FileCheck %s

--- |

  define i32 @foo(i32 %a) {
  entry:
    %0 = icmp sle i32 %a, 10
    br i1 %0, label %less, label %exit

  less:
    ret i32 0

  exit:
    ret i32 %a
  }

  define i32 @bar(i32 %a) {
  entry:
    %0 = icmp sle i32 %a, 10
    br i1 %0, label %less, label %exit

  less:
    ret i32 0

  exit:
    ret i32 %a
  }

...
---
name:            foo
tracksRegLiveness: true
liveins:
  - { reg: '$edi' }
# CHECK-LABEL: name: foo
# CHECK: body: |
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
# CHECK-NEXT: liveins: $edi
# CHECK:      CMP32ri8 $edi, 10, implicit-def $eflags
# CHECK-NEXT: JCC_1 %bb.2, 15, implicit killed $eflags

# CHECK:      bb.1.less:
# CHECK-NEXT: $eax = MOV32r0 implicit-def dead $eflags
# CHECK-NEXT: RET64 killed $eax

# CHECK:      bb.2.exit:
# CHECK-NEXT: liveins: $edi
# CHECK:      $eax = COPY killed $edi
# CHECK-NEXT: RET64 killed $eax
body: |
  bb.0.entry:
    successors: %bb.1, %bb.2

    liveins: $edi

    CMP32ri8 $edi, 10, implicit-def $eflags

    JCC_1 %bb.2, 15, implicit killed $eflags

  bb.1.less:


    $eax = MOV32r0 implicit-def dead $eflags
    RET64 killed $eax
  bb.2.exit:


    liveins: $edi
    $eax = COPY killed $edi
    RET64 killed $eax

...
---
name:            bar
tracksRegLiveness: true
liveins:
  - { reg: '$edi' }
# CHECK-LABEL: name: bar
# CHECK: body: |
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: successors: %bb.1(0x40000000), %bb.2(0x40000000)
# CHECK-NEXT: liveins: $edi
# CHECK:      CMP32ri8 $edi, 10, implicit-def $eflags
# CHECK-NEXT: JCC_1 %bb.2, 15, implicit killed $eflags

# CHECK:      bb.1.less:
# CHECK-NEXT: $eax = MOV32r0 implicit-def dead $eflags
# CHECK-NEXT: RET64 killed $eax

# CHECK:      bb.2.exit:
# CHECK-NEXT: liveins: $edi
# CHECK:      $eax = COPY killed $edi
# CHECK-NEXT: RET64 killed $eax
body: |

  bb.0.entry:
    successors: %bb.1, %bb.2
    liveins: $edi
    CMP32ri8 $edi, 10, implicit-def $eflags
    JCC_1 %bb.2, 15, implicit killed $eflags
  bb.1.less:  $eax = MOV32r0 implicit-def dead $eflags
              RET64 killed $eax

  bb.2.exit:  liveins: $edi
    $eax = COPY killed $edi
    RET64 killed $eax

...