29 lines
784 B
Plaintext
29 lines
784 B
Plaintext
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#RUN: llc -mtriple=aarch64-- -run-pass prologepilog %s -o - | FileCheck %s
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# Check that we spill a scratch register, but not also an additional
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# emergency spill slot.
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---
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name: big_stack
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# CHECK-LABEL: name: big_stack
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# CHECK: frame-setup STPXi killed $x20, killed $x19
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# CHECK: $sp = frame-setup SUBXri $sp, 8, 12
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# CHECK-NOT: frame-setup SUBXri $sp, 16, 0
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tracksRegLiveness: true
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stack:
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- { id: 0, name: '', size: 32761, alignment: 8 }
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body: |
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bb.0:
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$x19 = IMPLICIT_DEF
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; $x20 can be used as scratch register.
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$x21 = IMPLICIT_DEF
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$x22 = IMPLICIT_DEF
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$x23 = IMPLICIT_DEF
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$x24 = IMPLICIT_DEF
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$x25 = IMPLICIT_DEF
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$x26 = IMPLICIT_DEF
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$x27 = IMPLICIT_DEF
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$x28 = IMPLICIT_DEF
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$lr = IMPLICIT_DEF
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$fp = IMPLICIT_DEF
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RET_ReallyLR
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...
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