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23 lines
759 B
YAML
23 lines
759 B
YAML
# RUN: llc -run-pass=greedy -mtriple=x86_64-apple-macosx -o - %s 2>&1 | FileCheck %s
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# Make sure we don't assert when we try to reload a value that is just implicitly used.
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---
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# CHECK: name: foo
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# This test forces a spill of %0.
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name: foo
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registers:
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- { id: 0, class: gr64 }
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body: |
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bb.0:
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; CHECK: NOOP implicit-def [[VAL:%[0-9]+]]
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; VAL should be spilled before csr_noregs, i.e., before we clobber all the registers
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; CHECK-NEXT: MOV64mr [[SLOT:%stack.[0-9]+]], 1, _, 0, _, [[VAL]]
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; CHECK-NEXT: NOOP csr_noregs
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; We need to reload before the (implicit) use.
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; CHECK-NEXT: [[RELOADED_VAL:%[0-9]+]] = MOV64rm [[SLOT]], 1, _, 0, _
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; CHECK-NEXT: NOOP implicit [[RELOADED_VAL]]
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NOOP implicit-def %0
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NOOP csr_noregs
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NOOP implicit %0
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...
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