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