be7d425edc
This patch is the initial patch for support of the AIX extended vector ABI. The extended ABI treats vector registers V20-V31 as non-volatile and we add them as callee saved registers in this patch. Reviewed By: sfertile Differential Revision: https://reviews.llvm.org/D88676
77 lines
3.2 KiB
YAML
77 lines
3.2 KiB
YAML
# RUN: llc -mtriple powerpc-unknown-aix-xcoff -x mir -mcpu=pwr4 -mattr=-altivec \
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# RUN: -run-pass=prologepilog --verify-machineinstrs < %s | \
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# RUN: FileCheck %s --check-prefixes=CHECK
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---
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name: CRMultiSave
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alignment: 16
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tracksRegLiveness: true
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liveins:
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- { reg: '$r3', virtual-reg: '' }
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body: |
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bb.0.entry:
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liveins: $r3
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renamable $r29 = ANDI_rec killed renamable $r3, 1, implicit-def dead $cr0, implicit-def $cr0gt
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renamable $cr2lt = COPY $cr0gt
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renamable $cr4lt = COPY $cr0gt
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renamable $r3 = COPY $r29
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BLR implicit $lr, implicit $rm, implicit $r3
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; CHECK-LABEL: fixedStack:
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; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -12, size: 4, alignment: 4, stack-id: default,
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; CHECK-NEXT: callee-saved-register: '$r29', callee-saved-restored: true, debug-info-variable: '',
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; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
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; CHECK-NEXT: - { id: 1, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
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; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr4',
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; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '',
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; CHECK-NEXT: debug-info-location: '' }
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; CHECK-LABEL: stack:
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $r3, $r29, $cr2, $cr4
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; CHECK: $r12 = MFCR implicit killed $cr2, implicit killed $cr4
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; CHECK-NEXT: STW killed $r12, 4, $r1
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; CHECK-NEXT: STW killed $r29, -12, $r1 :: (store 4 into %fixed-stack.0)
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; CHECK: $r29 = LWZ -12, $r1 :: (load 4 from %fixed-stack.0)
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; CHECK-NEXT: $r12 = LWZ 4, $r1
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; CHECK-NEXT: $cr2 = MTOCRF $r12
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; CHECK-NEXT: $cr4 = MTOCRF killed $r12
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...
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---
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name: CR3Save
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alignment: 16
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tracksRegLiveness: true
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liveins:
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- { reg: '$r3', virtual-reg: '' }
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body: |
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bb.0.entry:
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liveins: $r3
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renamable $r14 = ANDI_rec killed renamable $r3, 1, implicit-def dead $cr0, implicit-def $cr0gt
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renamable $cr3lt = COPY $cr0gt
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renamable $r3 = COPY $r14
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BLR implicit $lr, implicit $rm, implicit $r3
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; CHECK-LABEL: fixedStack:
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; CHECK-NEXT: - { id: 0, type: spill-slot, offset: -72, size: 4, alignment: 8, stack-id: default,
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; CHECK-NEXT: callee-saved-register: '$r14', callee-saved-restored: true, debug-info-variable: '',
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; CHECK-NEXT: debug-info-expression: '', debug-info-location: '' }
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; CHECK-NEXT: - { id: 1, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
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; CHECK-NEXT: isImmutable: true, isAliased: false, callee-saved-register: '$cr3',
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; CHECK-NEXT: callee-saved-restored: true, debug-info-variable: '', debug-info-expression: '',
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; CHECK-NEXT: debug-info-location: '' }
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; CHECK-LABEL: stack:
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; CHECK: bb.0.entry:
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; CHECK-NEXT: liveins: $r3, $r14, $cr3
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; CHECK: $r12 = MFCR implicit killed $cr3
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; CHECK-NEXT: STW killed $r12, 4, $r1
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; CHECK-NEXT: STW killed $r14, -72, $r1 :: (store 4 into %fixed-stack.0, align 8)
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; CHECK: $r14 = LWZ -72, $r1 :: (load 4 from %fixed-stack.0, align 8)
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; CHECK-NEXT: $r12 = LWZ 4, $r1
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; CHECK-NEXT: $cr3 = MTOCRF killed $r12
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