forked from OSchip/llvm-project
51 lines
1.2 KiB
YAML
51 lines
1.2 KiB
YAML
# RUN: llc -march=hexagon -run-pass if-converter -o - %s | FileCheck %s
|
|
# Check that an implicit use is generated for a predicated instruction
|
|
# when a subregister of the redefined register is live.
|
|
|
|
# CHECK-LABEL: name: foo
|
|
|
|
# Verify the predicated block:
|
|
# CHECK-LABEL: bb.0:
|
|
# CHECK: liveins: %r0, %r1, %p0, %d8
|
|
# CHECK: %d8 = A2_combinew killed %r0, killed %r1
|
|
# CHECK: %d8 = L2_ploadrdf_io %p0, %r29, 0, implicit killed %d8
|
|
# CHECK: J2_jumprf killed %p0, %r31, implicit-def %pc, implicit-def %pc, implicit %d8
|
|
|
|
--- |
|
|
define void @foo() {
|
|
ret void
|
|
}
|
|
...
|
|
|
|
|
|
---
|
|
name: foo
|
|
alignment: 4
|
|
tracksRegLiveness: true
|
|
liveins:
|
|
- { reg: '%r0' }
|
|
- { reg: '%r1' }
|
|
- { reg: '%p0' }
|
|
- { reg: '%d8' }
|
|
body: |
|
|
bb.0:
|
|
successors: %bb.1, %bb.2
|
|
liveins: %r0, %r1, %p0, %d8
|
|
%d8 = A2_combinew killed %r0, killed %r1
|
|
J2_jumpf killed %p0, %bb.2, implicit-def %pc
|
|
|
|
bb.1:
|
|
liveins: %r17
|
|
%r0 = A2_tfrsi 0
|
|
%r1 = A2_tfrsi 0
|
|
A2_nop ; non-predicable
|
|
J2_jumpr killed %r31, implicit-def dead %pc, implicit killed %d0
|
|
|
|
bb.2:
|
|
; Predicate this block.
|
|
%d8 = L2_loadrd_io %r29, 0
|
|
J2_jumpr killed %r31, implicit-def dead %pc, implicit killed %d8
|
|
|
|
...
|
|
|