vlldm-vlstm-uops.mir
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# RUN: llc -run-pass=if-converter %s -o - | FileCheck %s
--- |
target triple = "thumbv8m.main-arm-none-eabi"
define hidden void @foo(void ()* nocapture %baz) local_unnamed_addr #0 {
entry:
%call = call i32 @bar() #0
%tobool = icmp eq i32 %call, 0
br i1 %tobool, label %land.end, label %land.rhs
land.rhs: ; preds = %entry
%call1 = call i32 @bar() #0
br label %land.end
land.end: ; preds = %land.rhs, %entry
call void %baz() #0
ret void
}
declare dso_local i32 @bar() local_unnamed_addr #0
attributes #0 = { nounwind }
...
---
name: foo
alignment: 4
tracksRegLiveness: true
liveins:
- { reg: '$r0' }
frameInfo:
stackSize: 8
maxAlignment: 4
adjustsStack: true
hasCalls: true
maxCallFrameSize: 0
stack:
- { id: 0, type: spill-slot, offset: -4, size: 4, alignment: 4, callee-saved-register: '$lr',
callee-saved-restored: false }
- { id: 1, type: spill-slot, offset: -8, size: 4, alignment: 4, callee-saved-register: '$r4' }
machineFunctionInfo: {}
body: |
bb.0.entry:
successors: %bb.2(0x30000000), %bb.1(0x50000000)
liveins: $r0, $r4, $lr
$sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r4, killed $lr
$r4 = tMOVr $r0, 14, $noreg
tBL 14, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def $r0
t2CMPri killed renamable $r0, 0, 14, $noreg, implicit-def $cpsr
t2Bcc %bb.2, 0, killed $cpsr
bb.1.land.rhs:
liveins: $r4
tBL 14, $noreg, @bar, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit-def $sp, implicit-def dead $r0
bb.2.land.end:
liveins: $r4
$sp = t2STMDB_UPD $sp, 14, $noreg, $r4, killed $r5, killed $r6, killed $r7, killed $r8, killed $r9, killed $r10, killed $r11
$r4 = t2BICri $r4, 1, 14, $noreg, $noreg
$sp = tSUBspi $sp, 34, 14, $noreg
VLSTM $sp, 14, $noreg
tBLXNSr 14, $noreg, killed $r4, csr_aapcs, implicit-def $lr, implicit $sp, implicit-def dead $lr, implicit $sp, implicit-def $sp
VLLDM $sp, 14, $noreg
$sp = tADDspi $sp, 34, 14, $noreg
$sp = t2LDMIA_UPD $sp, 14, $noreg, def $r4, def $r5, def $r6, def $r7, def $r8, def $r9, def $r10, def $r11
$sp = t2LDMIA_RET $sp, 14, $noreg, def $r4, def $pc
...
# Just check there is no ICE (in debug builds)
# CHECK: name: foo