7f23e0a62f
There are various places in LLVM where the definition of StackID is not properly honoured, for example in PEI where objects with a StackID > 0 are allocated on the default stack (StackID0). This patch enforces that PEI only considers allocating objects to StackID 0. Reviewers: arsenm, thegameg, MatzeB Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D60062 llvm-svn: 357460
57 lines
1.8 KiB
YAML
57 lines
1.8 KiB
YAML
# RUN: llc -mtriple=aarch64-none-linux-gnu -run-pass=prologepilog %s -o - | FileCheck %s
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...
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# Ensure that objects with StackID > 0 are not allocated on the default stack
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# (will not be allocated an offset) and are not considered in the calculation of
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# the StackSize.
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# CHECK: name: test_allocate
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# CHECK: stackSize: 16
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# CHECK: stack:
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# CHECK: id: 0, name: '', type: default, offset: -8, size: 8, alignment: 8,
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# CHECK-NEXT: stack-id: 0
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# CHECK: id: 1, name: '', type: default, offset: -16, size: 8, alignment: 8,
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# CHECK-NEXT: stack-id: 0
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# CHECK: id: 2, name: '', type: default, offset: 0, size: 8, alignment: 8,
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# CHECK-NEXT: stack-id: 42
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name: test_allocate
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frameInfo:
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maxAlignment: 16
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stack:
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- { id: 0, stack-id: 0, size: 8, alignment: 8, offset: 0 }
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- { id: 1, stack-id: 0, size: 8, alignment: 8, offset: 0 }
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- { id: 2, stack-id: 42, size: 8, alignment: 8, offset: 0 }
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body: |
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bb.0.entry:
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RET_ReallyLR
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---
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...
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# Ensure MaxAlignment becomes '32' even though we also have an object
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# with alignment of 64. MaxAlignment only pertains to the default stack
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# (StackID 0), so objects associated with a different StackID should
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# not be considered.
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#
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# CHECK: name: test_maxalign
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# CHECK: maxAlignment: 32
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name: test_maxalign
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frameInfo:
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maxAlignment: 16
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stack:
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- { id: 0, stack-id: 0, size: 16, alignment: 32 }
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- { id: 1, stack-id: 42, size: 16, alignment: 64 }
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body: |
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bb.0.entry:
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RET_ReallyLR
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---
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...
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# CHECK: name: test_maxalign_fixedstack
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# CHECK: maxAlignment: 32
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name: test_maxalign_fixedstack
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frameInfo:
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maxAlignment: 16
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fixedStack:
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- { id: 0, stack-id: 0, size: 16, alignment: 32 }
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- { id: 1, stack-id: 42, size: 16, alignment: 64 }
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body: |
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bb.0.entry:
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RET_ReallyLR
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---
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