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|
# RUN: llc -o - -run-pass=machine-scheduler -misched=shuffle %s | FileCheck %s
# RUN: llc -o - -run-pass=postmisched %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"
define i32 @foo_bti() #0 {
entry:
ret i32 0
}
define i32 @foo_pac() #0 {
entry:
ret i32 0
}
define i32 @foo_pacbti() #0 {
entry:
ret i32 0
}
define i32 @foo_setjmp() #0 {
entry:
ret i32 0
if.then:
ret i32 0
}
define i32 @foo_sg() #0 {
entry:
ret i32 0
}
declare i32 @setjmp(ptr noundef) #1
declare void @longjmp(ptr noundef, i32 noundef) #2
attributes #0 = { "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" }
attributes #1 = { nounwind returns_twice "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" }
attributes #2 = { noreturn nounwind "frame-pointer"="all" "target-cpu"="cortex-m55" "target-features"="+armv8.1-m.main" }
...
---
name: foo_bti
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $r0
t2BTI
renamable $r0, dead $cpsr = nsw tADDi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg
tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
...
# CHECK-LABEL: name: foo_bti
# CHECK: body:
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: liveins: $r0
# CHECK-NEXT: {{^ +$}}
# CHECK-NEXT: t2BTI
---
name: foo_pac
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $r0, $lr, $r12
frame-setup t2PAC implicit-def $r12, implicit $lr, implicit $sp
renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg
$sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr
$r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg
early-clobber $sp = frame-setup t2STR_PRE killed $r12, $sp, -4, 14 /* CC::al */, $noreg
$r12, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg
$sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
t2AUT implicit $r12, implicit $lr, implicit $sp
tBX_RET 14 /* CC::al */, $noreg, implicit $r0
...
# CHECK-LABEL: name: foo_pac
# CHECK: body:
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: liveins: $r0, $lr, $r12
# CHECK-NEXT: {{^ +$}}
# CHECK-NEXT: frame-setup t2PAC implicit-def $r12, implicit $lr, implicit $sp
---
name: foo_pacbti
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $r0, $lr, $r12
frame-setup t2PACBTI implicit-def $r12, implicit $lr, implicit $sp
renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg
$sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr
$r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg
early-clobber $sp = frame-setup t2STR_PRE killed $r12, $sp, -4, 14 /* CC::al */, $noreg
$r12, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg
$sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr
t2AUT implicit $r12, implicit $lr, implicit $sp
tBX_RET 14 /* CC::al */, $noreg, implicit $r0
...
# CHECK-LABEL: name: foo_pacbti
# CHECK: body:
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: liveins: $r0, $lr, $r12
# CHECK-NEXT: {{^ +$}}
# CHECK-NEXT: frame-setup t2PACBTI implicit-def $r12, implicit $lr, implicit $sp
---
name: foo_setjmp
tracksRegLiveness: true
body: |
bb.0.entry:
successors: %bb.1
liveins: $lr
frame-setup tPUSH 14 /* CC::al */, $noreg, $r7, killed $lr, implicit-def $sp, implicit $sp
$r7 = frame-setup tMOVr $sp, 14 /* CC::al */, $noreg
$sp = frame-setup tSUBspi $sp, 40, 14 /* CC::al */, $noreg
renamable $r0 = tMOVr $sp, 14 /* CC::al */, $noreg
tBL 14 /* CC::al */, $noreg, @setjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0
t2BTI
renamable $r2 = nsw t2ADDri $r0, 3, 14 /* CC::al */, $noreg, $noreg
tCMPi8 killed renamable $r0, 0, 14 /* CC::al */, $noreg, implicit-def $cpsr
t2IT 0, 2, implicit-def $itstate
renamable $r0 = tMOVi8 $noreg, 0, 0 /* CC::eq */, $cpsr, implicit $itstate
$sp = frame-destroy tADDspi $sp, 40, 0 /* CC::eq */, $cpsr, implicit $itstate
frame-destroy tPOP_RET 0 /* CC::eq */, killed $cpsr, def $r7, def $pc, implicit killed $r0, implicit $sp, implicit killed $itstate
bb.1.if.then:
renamable $r0 = tMOVr $sp, 14 /* CC::al */, $noreg
renamable $r1, dead $cpsr = tMOVi8 1, 14 /* CC::al */, $noreg
tBL 14 /* CC::al */, $noreg, @longjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit killed $r1, implicit-def $sp
...
# CHECK-LABEL: name: foo_setjmp
# CHECK: body:
# CHECK: tBL 14 /* CC::al */, $noreg, @setjmp, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0
# CHECK-NEXT: t2BTI
---
name: foo_sg
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $r0
t2SG 14 /* CC::al */, $noreg
renamable $r0, dead $cpsr = nsw tADDi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg
tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0
...
# CHECK-LABEL: name: foo_sg
# CHECK: body:
# CHECK-NEXT: bb.0.entry:
# CHECK-NEXT: liveins: $r0
# CHECK-NEXT: {{^ +$}}
# CHECK-NEXT: t2SG
|
