tail-dup-bundle.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - %s -run-pass=block-placement -mtriple=thumbv7k-apple-ios8.0.0 -verify-machineinstrs -O3 | FileCheck %s
---
# Make sure the bundle gets duplicated correctly
name: func
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: func
; CHECK: bb.0:
; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
; CHECK: liveins: $r0, $lr, $r7
; CHECK: t2CMPri $r0, 32, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: BUNDLE implicit-def dead $itstate, implicit-def $cpsr, implicit killed $r0, implicit killed $cpsr {
; CHECK: t2IT 1, 24, implicit-def $itstate
; CHECK: t2CMPri killed $r0, 9, 1 /* CC::ne */, killed $cpsr, implicit-def $cpsr, implicit internal killed $itstate
; CHECK: }
; CHECK: t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
; CHECK: $r0 = IMPLICIT_DEF
; CHECK: t2CMPri $r0, 32, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: BUNDLE implicit-def dead $itstate, implicit-def $cpsr, implicit killed $r0, implicit killed $cpsr {
; CHECK: t2IT 1, 24, implicit-def $itstate
; CHECK: t2CMPri killed $r0, 9, 1 /* CC::ne */, killed $cpsr, implicit-def $cpsr, implicit internal killed $itstate
; CHECK: }
; CHECK: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
; CHECK: $r0 = IMPLICIT_DEF
; CHECK: t2CMPri $r0, 32, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: BUNDLE implicit-def dead $itstate, implicit-def $cpsr, implicit killed $r0, implicit killed $cpsr {
; CHECK: t2IT 1, 24, implicit-def $itstate
; CHECK: t2CMPri killed $r0, 9, 1 /* CC::ne */, killed $cpsr, implicit-def $cpsr, implicit internal killed $itstate
; CHECK: }
; CHECK: t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg
bb.0:
liveins: $r0, $lr, $r7
bb.1:
liveins: $r0
t2CMPri $r0, 32, 14, $noreg, implicit-def $cpsr
BUNDLE implicit-def dead $itstate, implicit-def $cpsr, implicit killed $r0, implicit killed $cpsr {
t2IT 1, 24, implicit-def $itstate
t2CMPri killed $r0, 9, 1, killed $cpsr, implicit-def $cpsr, implicit internal killed $itstate
}
t2Bcc %bb.3, 1, killed $cpsr
bb.2:
$r0 = IMPLICIT_DEF
t2B %bb.1, 14, $noreg
bb.3:
$r0 = IMPLICIT_DEF
t2B %bb.1, 14, $noreg
...