You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
3.5 KiB
124 lines
3.5 KiB
4 months ago
|
#RUN: llc -run-pass arm-cp-islands %s -o - | FileCheck %s
|
||
|
|
|
||
|
|
--- |
|
||
|
|
; ModuleID = 'test.ll'
|
||
|
|
source_filename = "test.c"
|
||
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||
|
|
target triple = "thumbv8r-arm-none-eabi"
|
||
|
|
|
||
|
|
define void @Func(i32 %i, i32* nocapture %p) local_unnamed_addr {
|
||
|
|
entry:
|
||
|
|
switch i32 %i, label %sw.epilog [
|
||
|
|
i32 0, label %sw.bb
|
||
|
|
i32 1, label %sw.bb1
|
||
|
|
i32 2, label %sw.epilog.sink.split
|
||
|
|
i32 4, label %sw.bb3
|
||
|
|
]
|
||
|
|
|
||
|
|
sw.bb: ; preds = %entry
|
||
|
|
br label %sw.epilog.sink.split
|
||
|
|
|
||
|
|
sw.bb1: ; preds = %entry
|
||
|
|
store i32 0, i32* %p, align 4
|
||
|
|
br label %sw.epilog.sink.split
|
||
|
|
|
||
|
|
sw.bb3: ; preds = %entry
|
||
|
|
br label %sw.epilog.sink.split
|
||
|
|
|
||
|
|
sw.epilog.sink.split: ; preds = %sw.bb3, %sw.bb1, %sw.bb, %entry
|
||
|
|
%.sink = phi i32 [ 2, %sw.bb3 ], [ 0, %sw.bb ], [ 1, %entry ], [ 1, %sw.bb1 ]
|
||
|
|
store i32 %.sink, i32* %p, align 4
|
||
|
|
br label %sw.epilog
|
||
|
|
|
||
|
|
sw.epilog: ; preds = %sw.epilog.sink.split, %entry
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
...
|
||
|
|
---
|
||
|
|
name: Func
|
||
|
|
alignment: 2
|
||
|
|
exposesReturnsTwice: false
|
||
|
|
legalized: false
|
||
|
|
regBankSelected: false
|
||
|
|
selected: false
|
||
|
|
tracksRegLiveness: true
|
||
|
|
liveins:
|
||
|
|
- { reg: '$r0' }
|
||
|
|
- { reg: '$r1' }
|
||
|
|
frameInfo:
|
||
|
|
isFrameAddressTaken: false
|
||
|
|
isReturnAddressTaken: false
|
||
|
|
hasStackMap: false
|
||
|
|
hasPatchPoint: false
|
||
|
|
stackSize: 0
|
||
|
|
offsetAdjustment: 0
|
||
|
|
maxAlignment: 0
|
||
|
|
adjustsStack: false
|
||
|
|
hasCalls: false
|
||
|
|
maxCallFrameSize: 0
|
||
|
|
hasOpaqueSPAdjustment: false
|
||
|
|
hasVAStart: false
|
||
|
|
hasMustTailInVarArgFunc: false
|
||
|
|
jumpTable:
|
||
|
|
kind: inline
|
||
|
|
entries:
|
||
|
|
- id: 0
|
||
|
|
blocks: [ '%bb.2.sw.bb', '%bb.3.sw.bb1', '%bb.5.sw.epilog.sink.split',
|
||
|
|
'%bb.6.sw.epilog', '%bb.4.sw.bb3' ]
|
||
|
|
# The ADD should be deleted along with the LEA
|
||
|
|
# CHECK-NOT: t2LEApcrelJT
|
||
|
|
# CHECK-NOT: t2ADDrs
|
||
|
|
# CHECK: tMOVi8
|
||
|
|
# CHECK: t2TBB_JT
|
||
|
|
|
||
|
|
body: |
|
||
|
|
bb.0.entry:
|
||
|
|
successors: %bb.6.sw.epilog(0x0ccccccb), %bb.1.entry(0x73333335)
|
||
|
|
liveins: $r0, $r1
|
||
|
|
|
||
|
|
tCMPi8 $r0, 4, 14, $noreg, implicit-def $cpsr
|
||
|
|
t2Bcc %bb.6.sw.epilog, 8, killed $cpsr
|
||
|
|
|
||
|
|
bb.1.entry:
|
||
|
|
successors: %bb.2.sw.bb(0x1c71c71c), %bb.3.sw.bb1(0x1c71c71c), %bb.5.sw.epilog.sink.split(0x1c71c71c), %bb.6.sw.epilog(0x0e38e38e), %bb.4.sw.bb3(0x1c71c71c)
|
||
|
|
liveins: $r0, $r1
|
||
|
|
|
||
|
|
$r2 = t2LEApcrelJT %jump-table.0, 14, $noreg
|
||
|
|
$r3 = t2ADDrs killed $r2, $r0, 18, 14, $noreg, $noreg
|
||
|
|
$r2, dead $cpsr = tMOVi8 1, 14, $noreg
|
||
|
|
t2BR_JT killed $r3, killed $r0, %jump-table.0
|
||
|
|
|
||
|
|
bb.2.sw.bb:
|
||
|
|
successors: %bb.5.sw.epilog.sink.split(0x80000000)
|
||
|
|
liveins: $r1
|
||
|
|
|
||
|
|
$r2, dead $cpsr = tMOVi8 0, 14, $noreg
|
||
|
|
t2B %bb.5.sw.epilog.sink.split, 14, $noreg
|
||
|
|
|
||
|
|
bb.3.sw.bb1:
|
||
|
|
successors: %bb.5.sw.epilog.sink.split(0x80000000)
|
||
|
|
liveins: $r1
|
||
|
|
|
||
|
|
$r0, dead $cpsr = tMOVi8 0, 14, $noreg
|
||
|
|
$r2, dead $cpsr = tMOVi8 1, 14, $noreg
|
||
|
|
tSTRi killed $r0, $r1, 0, 14, $noreg :: (store 4 into %ir.p)
|
||
|
|
t2B %bb.5.sw.epilog.sink.split, 14, $noreg
|
||
|
|
|
||
|
|
bb.4.sw.bb3:
|
||
|
|
successors: %bb.5.sw.epilog.sink.split(0x80000000)
|
||
|
|
liveins: $r1
|
||
|
|
|
||
|
|
$r2, dead $cpsr = tMOVi8 2, 14, $noreg
|
||
|
|
|
||
|
|
bb.5.sw.epilog.sink.split:
|
||
|
|
successors: %bb.6.sw.epilog(0x80000000)
|
||
|
|
liveins: $r1, $r2
|
||
|
|
|
||
|
|
tSTRi killed $r2, killed $r1, 0, 14, $noreg :: (store 4 into %ir.p)
|
||
|
|
|
||
|
|
bb.6.sw.epilog:
|
||
|
|
tBX_RET 14, $noreg
|
||
|
|
|
||
|
|
...
|