File: x86-condbr.mir

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llvm-toolchain-15 1%3A15.0.6-4
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# RUN: llc -mtriple=x86_64-linux-gnu -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK

--- |

  define i32 @test(i32 %a) {
  entry:
    %cmp = trunc i32 %a to i1
    br i1 %cmp, label %true, label %false

  true:                                             ; preds = %entry
    ret i32 0

  false:                                            ; preds = %entry
    ret i32 1
  }

...
---
name:            test
alignment:       16
legalized:       true
regBankSelected: true
registers:
  - { id: 0, class: gpr, preferred-register: '' }
  - { id: 1, class: gpr, preferred-register: '' }
  - { id: 2, class: gpr, preferred-register: '' }
  - { id: 3, class: gpr, preferred-register: '' }
body:             |
  bb.1.entry:
    successors: %bb.2(0x40000000), %bb.3(0x40000000)
    liveins: $edi

    %0(s32) = COPY $edi
    %2(s32) = G_CONSTANT i32 0
    %3(s32) = G_CONSTANT i32 1
    %1(s1) = G_TRUNC %0(s32)
    G_BRCOND %1(s1), %bb.2
    G_BR %bb.3

  bb.2.true:
    $eax = COPY %2(s32)
    RET 0, implicit $eax

  bb.3.false:
    $eax = COPY %3(s32)
    RET 0, implicit $eax

...