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36 lines
968 B
YAML
36 lines
968 B
YAML
# RUN: llc -march=hexagon -run-pass liveintervals -run-pass machineverifier -run-pass simple-register-coalescing %s -o - | FileCheck %s
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#
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# If there is no consumer of the live intervals, the live intervals pass
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# will be freed immediately after it runs, before the verifier. Add a
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# user (register coalescer in this case), so that the verification will
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# cover live intervals as well.
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#
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# Make sure that this compiles successfully.
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# CHECK: undef %1.isub_lo = A2_addi %1.isub_lo, 1
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---
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name: fred
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tracksRegLiveness: true
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registers:
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- { id: 0, class: intregs }
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- { id: 1, class: doubleregs }
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- { id: 2, class: predregs }
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- { id: 3, class: doubleregs }
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body: |
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bb.0:
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liveins: %d0
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successors: %bb.1
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%0 = IMPLICIT_DEF
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%1 = COPY %d0
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bb.1:
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successors: %bb.1
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%2 = C2_cmpgt %0, %1.isub_lo
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%3 = COPY %1
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%1 = COPY %3
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undef %1.isub_lo = A2_addi %1.isub_lo, 1
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J2_jump %bb.1, implicit-def %pc
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...
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