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| # RUN: llc -o - %s -mtriple=powerpc64le--linux-gnu -run-pass=branch-folder | FileCheck %s
# The branch-folder should merge bb.1 and bb.5 below and therefore recalculate
# the liveins list of the merged block. This test is checking whether this
# recalculated list if okay and contains all the non-saved and saved CSRs.
# CHECK-LABEL: name: func
# CHECK: bb.3:
# CHECK-NEXT: liveins: $x30, $x29, $x3, $x6
# CHECK: $x4 = RLDICR killed $x6, 16, 47
# CHECK: $x3 = OR8 killed $x4, killed $x3
# CHECK: BLR8 implicit $lr8, implicit $rm, implicit $x3
---
name: func
tracksRegLiveness: true
fixedStack:
- { id: 0, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '$x30' }
- { id: 1, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '$x29' }
- { id: 2, offset: -8, size: 8, alignment: 8, isImmutable: true, isAliased: false }
body: |
bb.0:
liveins: $x3, $x5, $x29, $x30
$x6 = RLWINM8 $x3, 16, 16, 31
$x3 = RLDICL killed $x3, 0, 48
BC undef $cr5lt, %bb.3
bb.1:
liveins: $x3, $x6, $x29, $x30
$x4 = RLDICR killed $x6, 16, 47
$x3 = OR8 killed $x4, killed $x3
BLR8 implicit $lr8, implicit $rm, implicit $x3
bb.3:
liveins: $x3, $x5, $x6, $x29, $x30
dead $x5 = ADD8 $x5, $x6
BC undef $cr5lt, %bb.1
bb.6:
liveins: $x3, $x6, $x29, $x30
STD killed $x29, -24, $x1 :: (store 8 into %fixed-stack.1)
STD killed $x30, -16, $x1 :: (store 8 into %fixed-stack.0, align 16)
NOP implicit-def dead $x29
NOP implicit-def dead $x30
$x30 = LD -16, $x1 :: (load 8 from %fixed-stack.0, align 16)
$x29 = LD -24, $x1 :: (load 8 from %fixed-stack.1)
$x4 = RLDICR killed $x6, 16, 47
$x3 = OR8 killed $x4, killed $x3
BLR8 implicit $lr8, implicit $rm, implicit $x3
...
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