# RUN: llc -mtriple=aarch64-linux-gnu -start-after=branch-relaxation --filetype=obj -o %t.o %s
--- |
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
target triple = "aarch64-unknown-linux-gnu"
@reps = external dso_local global i32, align 4
define void @foo() {
ret void
}
!2 = !{!3, !3, i64 0}
!3 = !{!"int", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C++ TBAA"}
...
---
name: foo
alignment: 64
jumpTable:
kind: block-address
entries:
- id: 0
blocks: [ '%bb.2', '%bb.3', '%bb.4', '%bb.5' ]
body: |
bb.0:
successors: %bb.6(0x19999998), %bb.1(0x66666668)
liveins: $w0, $x1, $x2, $x3, $x4
dead $wzr = SUBSWri renamable $w0, 3, 0, implicit-def $nzcv
Bcc 8, %bb.6, implicit $nzcv
bb.1:
successors: %bb.2(0x20000000), %bb.3(0x20000000), %bb.4(0x20000000), %bb.5(0x20000000)
liveins: $w0, $x1, $x2, $x3, $x4
$x8 = ADRP target-flags(aarch64-page) %jump-table.0
renamable $w9 = ORRWrs $wzr, killed renamable $w0, 0, implicit-def $x9
renamable $x8 = ADDXri killed $x8, target-flags(aarch64-pageoff, aarch64-nc) %jump-table.0, 0
early-clobber renamable $x10, dead early-clobber renamable $x11 = JumpTableDest32 killed renamable $x8, killed renamable $x9, %jump-table.0
BR killed renamable $x10
bb.2 (align 65536):
successors: %bb.3(0x50000000), %bb.6(0x30000000)
liveins: $x1, $x2, $x3, $x4
renamable $x8 = ADRP target-flags(aarch64-page) @reps
renamable $w9 = LDRWui renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @reps :: (volatile dereferenceable load (s32) from @reps, !tbaa !2)
dead $wzr = SUBSWri killed renamable $w9, 1, 0, implicit-def $nzcv
Bcc 11, %bb.6, implicit $nzcv
bb.3 (align 65536):
successors: %bb.4(0x50000000), %bb.6(0x30000000)
liveins: $x1, $x2, $x3, $x4
renamable $x8 = ADRP target-flags(aarch64-page) @reps
renamable $w9 = LDRWui renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @reps :: (volatile dereferenceable load (s32) from @reps, !tbaa !2)
dead $wzr = SUBSWri killed renamable $w9, 1, 0, implicit-def $nzcv
Bcc 11, %bb.6, implicit $nzcv
bb.4 (align 65536):
successors: %bb.5(0x50000000), %bb.6(0x30000000)
liveins: $x1, $x2, $x3, $x4
renamable $x8 = ADRP target-flags(aarch64-page) @reps
renamable $w9 = LDRWui renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @reps :: (volatile dereferenceable load (s32) from @reps, !tbaa !2)
dead $wzr = SUBSWri killed renamable $w9, 1, 0, implicit-def $nzcv
Bcc 11, %bb.6, implicit $nzcv
bb.5 (align 65536):
successors: %bb.6(0x30000000)
liveins: $x1, $x2, $x3, $x4
renamable $x8 = ADRP target-flags(aarch64-page) @reps
renamable $w9 = LDRWui renamable $x8, target-flags(aarch64-pageoff, aarch64-nc) @reps :: (volatile dereferenceable load (s32) from @reps, !tbaa !2)
dead $wzr = SUBSWri killed renamable $w9, 1, 0, implicit-def $nzcv
Bcc 11, %bb.6, implicit $nzcv
bb.6:
RET undef $lr
...
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