# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv7m-none-eabi -run-pass=arm-cp-islands -verify-machineinstrs -o - %s | FileCheck %s
--- |
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv8.1m.main-arm-none-eabi"
@b = local_unnamed_addr global i32 0, align 4
define i32 @c() {
ret i32 undef
}
...
---
name: c
alignment: 2
tracksRegLiveness: true
body: |
; CHECK-LABEL: name: c
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
; CHECK: renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
; CHECK: tCBNZ killed renamable $r0, %bb.2
; CHECK: bb.1:
; CHECK: successors: %bb.3(0x40000000), %bb.2(0x40000000)
; CHECK: tCBZ undef renamable $r0, %bb.3
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: $r0 = t2MOVi16 target-flags(arm-lo16) @b, 14 /* CC::al */, $noreg
; CHECK: $r0 = t2MOVTi16 killed $r0, target-flags(arm-hi16) @b, 14 /* CC::al */, $noreg
; CHECK: renamable $r1 = tLDRi renamable $r0, 0, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from @b)
; CHECK: renamable $r1, dead $cpsr = nsw tADDi8 killed renamable $r1, 1, 14 /* CC::al */, $noreg
; CHECK: tSTRi killed renamable $r1, killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (store (s32) into @b)
; CHECK: bb.3:
; CHECK: tBX_RET 14 /* CC::al */, $noreg, implicit undef $r0
bb.0:
successors: %bb.2(0x40000000), %bb.1(0x40000000)
renamable $r0, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.2, 1 /* CC::ne */, killed $cpsr
bb.1:
successors: %bb.3(0x40000000), %bb.2(0x40000000)
tCMPi8 undef renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.3, 0 /* CC::eq */, killed $cpsr
bb.2:
successors: %bb.3(0x80000000)
$r0 = t2MOVi16 target-flags(arm-lo16) @b, 14 /* CC::al */, $noreg
$r0 = t2MOVTi16 killed $r0, target-flags(arm-hi16) @b, 14 /* CC::al */, $noreg
renamable $r1 = tLDRi renamable $r0, 0, 14 /* CC::al */, $noreg :: (dereferenceable load (s32) from @b)
renamable $r1, dead $cpsr = nsw tADDi8 killed renamable $r1, 1, 14 /* CC::al */, $noreg
tSTRi killed renamable $r1, killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (store (s32) into @b)
bb.3:
tBX_RET 14 /* CC::al */, $noreg, implicit undef $r0
...
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