llvm-for-llvmta/test/CodeGen/Thumb2/block-placement.mir

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=thumbv8.1m.main-none-eabi -mattr=+mve -run-pass=arm-block-placement %s -o - | FileCheck %s
--- |
define void @backwards_branch(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
entry:
unreachable
}
define void @backwards_branch_entry_block(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
entry:
unreachable
}
define void @backwards_branch_target_already_backwards(i32 %N, i32* nocapture %a, i32* nocapture readonly %b) local_unnamed_addr #0 {
entry:
unreachable
}
define void @backwards_branch_sibling(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
entry:
unreachable
}
define void @backwards_branch_forwards_le(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
entry:
unreachable
}
define void @no_preheader(i32 %N, i32 %M, i32* nocapture %a, i32* nocapture %b, i32* nocapture %c) local_unnamed_addr #0 {
entry:
unreachable
}
declare dso_local i32 @g(...) local_unnamed_addr #1
declare dso_local i32 @h(...) local_unnamed_addr #1
...
---
name: backwards_branch
body: |
; CHECK-LABEL: name: backwards_branch
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2IT 11, 8, implicit-def $itstate
; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
; CHECK: tB %bb.3, 14 /* CC::al */, $noreg
; CHECK: bb.1:
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000)
; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg
bb.0:
successors: %bb.2(0x80000000)
liveins: $r0, $r1, $r2, $lr
tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 11, 8, implicit-def $itstate
frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
bb.1:
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
bb.2:
successors: %bb.3(0x80000000)
liveins: $r0, $r1, $r2
t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
bb.3:
successors: %bb.3(0x7c000000), %bb.1(0x04000000)
liveins: $lr, $r1, $r2
renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
t2B %bb.1, 14 /* CC::al */, $noreg
...
---
name: backwards_branch_entry_block
body: |
; CHECK-LABEL: name: backwards_branch_entry_block
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2IT 11, 8, implicit-def $itstate
; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
; CHECK: bb.1:
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: t2WhileLoopStart killed renamable $r0, %bb.0, implicit-def dead $cpsr
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000)
; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg
bb.0:
successors: %bb.2(0x80000000)
liveins: $r0, $r1, $r2, $lr
tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 11, 8, implicit-def $itstate
frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
bb.1:
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
bb.2:
successors: %bb.3(0x80000000)
liveins: $r0, $r1, $r2
t2WhileLoopStart killed renamable $r0, %bb.0, implicit-def dead $cpsr
bb.3:
successors: %bb.3(0x7c000000), %bb.1(0x04000000)
liveins: $lr, $r1, $r2
renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
t2B %bb.1, 14 /* CC::al */, $noreg
...
---
name: backwards_branch_target_already_backwards
body: |
; CHECK-LABEL: name: backwards_branch_target_already_backwards
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x50000000), %bb.1(0x30000000)
; CHECK: tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr
; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: $lr = tMOVr $r0, 14 /* CC::al */, $noreg
; CHECK: renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
; CHECK: t2WhileLoopStart killed renamable $lr, %bb.1, implicit-def dead $cpsr
; CHECK: tB %bb.3, 14 /* CC::al */, $noreg
; CHECK: bb.1:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2IT 11, 8, implicit-def $itstate
; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
; CHECK: t2WhileLoopStart killed renamable $r1, %bb.0, implicit-def dead $cpsr
; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000)
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg
; CHECK: bb.4:
; CHECK: successors: %bb.5(0x80000000)
; CHECK: renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
; CHECK: t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
; CHECK: bb.5:
; CHECK: successors: %bb.5(0x7c000000), %bb.6(0x04000000)
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
; CHECK: t2B %bb.6, 14 /* CC::al */, $noreg
; CHECK: bb.6:
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
bb.0:
successors: %bb.1(0x50000000), %bb.3(0x30000000)
liveins: $r0, $r1, $r2, $r3, $lr
tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr
t2B %bb.1, 14 /* CC::al */, $noreg
bb.3:
successors: %bb.4(0x80000000)
liveins: $r1, $r3
tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 11, 8, implicit-def $itstate
frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
t2WhileLoopStart killed renamable $r1, %bb.0, implicit-def dead $cpsr
t2B %bb.4, 14 /* CC::al */, $noreg
bb.1:
successors: %bb.2(0x80000000)
liveins: $r0, $r1, $r2, $r3
$lr = tMOVr $r0, 14 /* CC::al */, $noreg
renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
t2WhileLoopStart killed renamable $lr, %bb.3, implicit-def dead $cpsr
bb.2:
successors: %bb.2(0x7c000000), %bb.3(0x04000000)
liveins: $lr, $r0, $r1, $r3
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr
t2B %bb.3, 14 /* CC::al */, $noreg
bb.4:
successors: %bb.5(0x80000000)
liveins: $r1, $r3
renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
bb.5:
successors: %bb.5(0x7c000000), %bb.6(0x04000000)
liveins: $lr, $r0
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
t2B %bb.6, 14 /* CC::al */, $noreg
bb.6:
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
...
---
name: backwards_branch_sibling
body: |
; CHECK-LABEL: name: backwards_branch_sibling
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x50000000), %bb.1(0x30000000)
; CHECK: tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2Bcc %bb.1, 11 /* CC::lt */, killed $cpsr
; CHECK: t2B %bb.2, 14 /* CC::al */, $noreg
; CHECK: bb.1:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2IT 11, 8, implicit-def $itstate
; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
; CHECK: t2WhileLoopStart killed renamable $r1, %bb.2, implicit-def dead $cpsr
; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: $lr = tMOVr $r0, 14 /* CC::al */, $noreg
; CHECK: renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
; CHECK: t2WhileLoopStart killed renamable $lr, %bb.1, implicit-def dead $cpsr
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000)
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg
; CHECK: bb.4:
; CHECK: successors: %bb.5(0x80000000)
; CHECK: renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
; CHECK: t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
; CHECK: bb.5:
; CHECK: successors: %bb.5(0x7c000000), %bb.6(0x04000000)
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
; CHECK: t2B %bb.6, 14 /* CC::al */, $noreg
; CHECK: bb.6:
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
bb.0:
successors: %bb.1(0x50000000), %bb.3(0x30000000)
liveins: $r0, $r1, $r2, $r3, $lr
tCMPi8 $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.3, 11 /* CC::lt */, killed $cpsr
t2B %bb.1, 14 /* CC::al */, $noreg
bb.3:
successors: %bb.4(0x80000000)
liveins: $r1, $r3
tCMPi8 renamable $r1, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 11, 8, implicit-def $itstate
frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
t2WhileLoopStart killed renamable $r1, %bb.1, implicit-def dead $cpsr
t2B %bb.4, 14 /* CC::al */, $noreg
bb.1:
successors: %bb.2(0x80000000)
liveins: $r0, $r1, $r2, $r3
$lr = tMOVr $r0, 14 /* CC::al */, $noreg
renamable $r0 = t2ADDrs killed renamable $r2, killed $r0, 18, 14 /* CC::al */, $noreg, $noreg
t2WhileLoopStart killed renamable $lr, %bb.3, implicit-def dead $cpsr
bb.2:
successors: %bb.2(0x7c000000), %bb.3(0x04000000)
liveins: $lr, $r0, $r1, $r3
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.2, implicit-def dead $cpsr
t2B %bb.3, 14 /* CC::al */, $noreg
bb.4:
successors: %bb.5(0x80000000)
liveins: $r1, $r3
renamable $r0 = t2ADDrs killed renamable $r3, renamable $r1, 18, 14 /* CC::al */, $noreg, $noreg
t2WhileLoopStart killed renamable $r1, %bb.6, implicit-def dead $cpsr
bb.5:
successors: %bb.5(0x7c000000), %bb.6(0x04000000)
liveins: $lr, $r0
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.5, implicit-def dead $cpsr
t2B %bb.6, 14 /* CC::al */, $noreg
bb.6:
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
...
---
name: backwards_branch_forwards_le
body: |
; CHECK-LABEL: name: backwards_branch_forwards_le
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x80000000)
; CHECK: tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2IT 11, 8, implicit-def $itstate
; CHECK: frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
; CHECK: bb.1:
; CHECK: successors: %bb.1(0x80000000)
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
; CHECK: bb.2:
; CHECK: successors: %bb.3(0x80000000)
; CHECK: t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
; CHECK: bb.3:
; CHECK: successors: %bb.3(0x7c000000), %bb.1(0x04000000)
; CHECK: renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
; CHECK: tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
; CHECK: renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
; CHECK: t2B %bb.1, 14 /* CC::al */, $noreg
bb.0:
successors: %bb.2(0x80000000)
liveins: $r0, $r1, $r2, $lr
tCMPi8 renamable $r0, 1, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 11, 8, implicit-def $itstate
frame-destroy tPOP_RET 11 /* CC::lt */, killed $cpsr, def $r7, def $pc, implicit killed $itstate
bb.1:
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.1, implicit-def dead $cpsr
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r7, def $pc
bb.2:
successors: %bb.3(0x80000000)
liveins: $r0, $r1, $r2
t2WhileLoopStart killed renamable $r0, %bb.1, implicit-def dead $cpsr
bb.3:
successors: %bb.3(0x7c000000), %bb.1(0x04000000)
liveins: $lr, $r1, $r2
renamable $r0 = tLDRi renamable $r2, 0, 14 /* CC::al */, $noreg
tSTRi killed renamable $r0, renamable $r1, 0, 14 /* CC::al */, $noreg
renamable $lr = t2LoopEndDec killed renamable $lr, %bb.3, implicit-def dead $cpsr
t2B %bb.1, 14 /* CC::al */, $noreg
...
---
name: no_preheader
body: |
; CHECK-LABEL: name: no_preheader
; CHECK: bb.0:
; CHECK: successors: %bb.2(0x30000000), %bb.1(0x50000000)
; CHECK: frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp
; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 16
; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
; CHECK: frame-setup CFI_INSTRUCTION offset $r5, -12
; CHECK: frame-setup CFI_INSTRUCTION offset $r4, -16
; CHECK: $r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg
; CHECK: frame-setup CFI_INSTRUCTION def_cfa $r7, 8
; CHECK: $r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg
; CHECK: tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0
; CHECK: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2Bcc %bb.2, 0 /* CC::eq */, killed $cpsr
; CHECK: bb.1:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
; CHECK: renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg
; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK: bb.2:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
; CHECK: t2B %bb.4, 14 /* CC::al */, $noreg
; CHECK: bb.3:
; CHECK: successors: %bb.4(0x80000000)
; CHECK: $r0 = tMOVr $r5, 14 /* CC::al */, $noreg
; CHECK: tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0
; CHECK: bb.4:
; CHECK: successors: %bb.5(0x04000000), %bb.3(0x7c000000)
; CHECK: renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg
; CHECK: tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
; CHECK: t2Bcc %bb.3, 1 /* CC::ne */, killed $cpsr
; CHECK: bb.5:
; CHECK: frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc
bb.0:
successors: %bb.1(0x30000000), %bb.2(0x50000000)
liveins: $r0, $r4, $r5, $lr
frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r4, killed $r5, $r7, killed $lr, implicit-def $sp, implicit $sp
frame-setup CFI_INSTRUCTION def_cfa_offset 16
frame-setup CFI_INSTRUCTION offset $lr, -4
frame-setup CFI_INSTRUCTION offset $r7, -8
frame-setup CFI_INSTRUCTION offset $r5, -12
frame-setup CFI_INSTRUCTION offset $r4, -16
$r7 = frame-setup tADDrSPi $sp, 2, 14 /* CC::al */, $noreg
frame-setup CFI_INSTRUCTION def_cfa $r7, 8
$r4 = tMOVr killed $r0, 14 /* CC::al */, $noreg
tBL 14 /* CC::al */, $noreg, @g, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0
tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.1, 0 /* CC::eq */, killed $cpsr
bb.2:
successors: %bb.3(0x80000000)
liveins: $r4
renamable $r0, dead $cpsr = tMOVi8 4, 14 /* CC::al */, $noreg
renamable $r5 = t2LDRSHi12 killed renamable $r0, 0, 14 /* CC::al */, $noreg
t2B %bb.3, 14 /* CC::al */, $noreg
bb.1:
successors: %bb.3(0x80000000)
liveins: $r4
renamable $r5, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
t2B %bb.3, 14 /* CC::al */, $noreg
bb.4:
successors: %bb.3(0x80000000)
liveins: $r4, $r5
$r0 = tMOVr $r5, 14 /* CC::al */, $noreg
tBL 14 /* CC::al */, $noreg, @h, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def dead $r0
bb.3:
successors: %bb.5(0x04000000), %bb.4(0x7c000000)
liveins: $r4, $r5
renamable $r0 = tLDRi renamable $r4, 0, 14 /* CC::al */, $noreg
tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2Bcc %bb.4, 1 /* CC::ne */, killed $cpsr
bb.5:
frame-destroy tPOP_RET 14 /* CC::al */, $noreg, def $r4, def $r5, def $r7, def $pc
...