forked from OSchip/llvm-project
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: %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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