41 lines
1.0 KiB
YAML
41 lines
1.0 KiB
YAML
# RUN: llc -march=hexagon -run-pass if-converter -verify-machineinstrs -o - %s | FileCheck %s
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# CHECK-LABEL: name: foo
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# CHECK: $p0 = C2_cmpeqi $r16, 0
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# Make sure there is no implicit use of r1.
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# CHECK: $r1 = L2_ploadruhf_io $p0, $r29, 6
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--- |
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define void @foo() {
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ret void
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}
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...
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---
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name: foo
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tracksRegLiveness: true
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body: |
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bb.0:
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liveins: $r0, $r16
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successors: %bb.1, %bb.2
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$p0 = C2_cmpeqi $r16, 0
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J2_jumpt $p0, %bb.2, implicit-def $pc
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bb.1:
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; The lane mask $d0:0002 is equivalent to $r0. LivePhysRegs would ignore
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; it and treat it as the whole $d0, which is a pair $r1, $r0. The extra
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; $r1 would cause an (undefined) implicit use to be added during
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; if-conversion.
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liveins: $d0:0x00000002, $d15:0x00000001, $r16
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successors: %bb.2
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$r1 = L2_loadruh_io $r29, 6
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S2_storeri_io killed $r16, 0, $r1
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bb.2:
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liveins: $r0
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$d8 = L2_loadrd_io $r29, 8
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$d15 = L4_return $r29, implicit-def $r29, implicit-def $pc, implicit $r30, implicit $framekey
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