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39 lines
1.3 KiB
YAML
39 lines
1.3 KiB
YAML
#RUN: llc -mtriple=aarch64-- -run-pass prologepilog %s -o - | FileCheck %s
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# Check that we use the frame pointer to address the emergency spill slot.
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# Using the base pointer will result in an assert with "Emergency spill slot is
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# out of reach".
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---
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name: hugeStack
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# CHECK-LABEL: name: hugeStack
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tracksRegLiveness: true
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frameInfo:
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localFrameSize: 256
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stack:
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- { id: 0, type: variable-sized, alignment: 1 }
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- { id: 1, name: '', size: 32761, alignment: 8 }
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body: |
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bb.0:
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STRXui undef $x8, %stack.0, 0
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; CHECK: STURXi undef $x8, $fp, -24
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B %bb.1
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bb.1:
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liveins: $x0, $x1, $x2, $x3, $x4, $x5, $x6, $x7, $x8, $x9, $x10, $x11, $x12, $x13, $x14, $x15, $x16, $x17, $x18, $x19, $x20, $x21, $x22, $x23, $x24, $x25, $x26, $x27, $x28, $fp, $lr
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RET_ReallyLR implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25, implicit $x26, implicit $x27, implicit $x28
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...
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---
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name: fpDoesNotFit
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# CHECK-LABEL: name: fpDoesNotFit
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tracksRegLiveness: true
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frameInfo:
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hasStackMap: true
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# set to true to force hasFP to true.
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stack:
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- { id: 0, name: '', size: 4096, alignment: 8 }
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- { id: 1, name: '', size: 32761, alignment: 8 }
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body: |
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bb.0:
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STRXui undef $x8, %stack.0, -34
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; Pick SP here. Picking FP will require scavenging a register.
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; CHECK: STRXui undef $x8, $sp, 4062
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RET_ReallyLR
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