24 lines
996 B
YAML
24 lines
996 B
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -o - %s -mtriple=armv7s-- -run-pass=machine-cp | FileCheck %s
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---
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# Test that machine copy prop recognizes the implicit-def operands on a COPY
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# as clobbering the register.
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# The following two COPYs must not be removed
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name: func
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body: |
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bb.0:
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; CHECK-LABEL: name: func
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; CHECK: $d2 = VMOVv2i32 2, 14 /* CC::al */, $noreg
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; CHECK: $s5 = COPY $s0, implicit $q1, implicit-def $q1
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; CHECK: VST1q32 $r0, 0, $q1, 14 /* CC::al */, $noreg
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; CHECK: $s4 = COPY $s20, implicit-def $q1
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; CHECK: $s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
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; CHECK: VST1q32 $r2, 0, $q1, 14 /* CC::al */, $noreg
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$d2 = VMOVv2i32 2, 14, $noreg
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$s5 = COPY $s0, implicit $q1, implicit-def $q1
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VST1q32 $r0, 0, $q1, 14, $noreg
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$s4 = COPY $s20, implicit-def $q1
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$s5 = COPY $s0, implicit killed $d0, implicit $q1, implicit-def $q1
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VST1q32 $r2, 0, $q1, 14, $noreg
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...
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