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520ee96f7f
This patch changes MIR stack-id from an integer to an enum, and adds printing/parsing support for this in MIR files. The default stack-id '0' is now renamed to 'default'. This should make MIR tests that have stack objects with different stack-ids more descriptive. It also clarifies code operating on StackID. Reviewers: arsenm, thegameg, qcolombet Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D60137 llvm-svn: 363533
38 lines
1.2 KiB
YAML
38 lines
1.2 KiB
YAML
# RUN: llc -mtriple=aarch64-- -start-after prologepilog -o - %s | FileCheck %s
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---
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name: fun
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# CHECK: .cfi_startproc
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tracksRegLiveness: true
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frameInfo:
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stackSize: 16
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maxAlignment: 8
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hasCalls: true
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stack:
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- { id: 0, type: spill-slot, offset: -8, size: 8, alignment: 8, stack-id: default,
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callee-saved-register: '$lr' }
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- { id: 1, type: spill-slot, offset: -16, size: 8, alignment: 8, stack-id: default,
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callee-saved-register: '$fp' }
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body: |
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bb.0:
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liveins: $fp, $lr
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$sp = frame-setup SUBXri $sp, 16, 0
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frame-setup STRXui killed $fp, $sp, 0 :: (store 8 into %stack.1)
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frame-setup CFI_INSTRUCTION offset $w29, -16
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; CHECK: .cfi_offset w29, -16
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frame-setup STRXui killed $lr, $sp, 1 :: (store 8 into %stack.0)
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frame-setup CFI_INSTRUCTION offset $w30, -8
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; CHECK: .cfi_offset w30, -8
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$fp = frame-setup ADDXri $sp, 0, 0
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frame-setup CFI_INSTRUCTION def_cfa $w29, 16
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$lr = LDRXui $sp, 1 :: (load 8 from %stack.0)
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CFI_INSTRUCTION restore $w30
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; CHECK: .cfi_restore w30
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$fp = LDRXui $sp, 0 :: (load 8 from %stack.1)
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CFI_INSTRUCTION restore $w29
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; CHECK: .cfi_restore w29
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$sp = ADDXri $sp, 16, 0
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RET_ReallyLR
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; CHECK: .cfi_endproc
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...
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