2017-09-09 00:29:50 +08:00
|
|
|
# RUN: llc -march=hexagon -run-pass if-converter -o - %s -verify-machineinstrs | FileCheck %s
|
|
|
|
|
|
|
|
|
|
# The register r23 is live on the path bb.0->bb.2->bb.3. Make sure we add
|
|
|
|
|
# an implicit use of r23 to the predicated redefinition:
|
2018-02-01 06:04:26 +08:00
|
|
|
# CHECK: $r23 = A2_tfrt killed $p0, killed $r1, implicit killed $r23
|
2017-09-09 00:29:50 +08:00
|
|
|
|
|
|
|
|
# LivePhysRegs::addPristines could accidentally remove a callee-saved
|
|
|
|
|
# register, if it determined that it wasn't pristine. Doing that caused
|
|
|
|
|
# r23 in this testcase to be dropped from the Redefs set, and subsequently
|
|
|
|
|
# the necessary implicit use was not added for it.
|
|
|
|
|
|
|
|
|
|
---
|
|
|
|
|
name: foo
|
|
|
|
|
tracksRegLiveness: true
|
|
|
|
|
fixedStack:
|
2018-02-01 06:04:26 +08:00
|
|
|
- { id: 0, offset: 0, size: 4, alignment: 4, callee-saved-register: '$r23' }
|
2017-09-09 00:29:50 +08:00
|
|
|
body: |
|
|
|
|
|
bb.0:
|
|
|
|
|
successors: %bb.1, %bb.2
|
2018-02-01 06:04:26 +08:00
|
|
|
liveins: $r0, $r1, $r23
|
|
|
|
|
$p0 = C2_cmpgti killed $r0, 0
|
|
|
|
|
J2_jumpf killed $p0, %bb.2, implicit-def $pc
|
2017-09-09 00:29:50 +08:00
|
|
|
|
|
|
|
|
bb.1:
|
|
|
|
|
successors: %bb.3
|
2018-02-01 06:04:26 +08:00
|
|
|
liveins: $r1
|
|
|
|
|
$r23 = A2_tfr killed $r1
|
|
|
|
|
J2_jump %bb.3, implicit-def $pc
|
2017-09-09 00:29:50 +08:00
|
|
|
|
|
|
|
|
bb.2:
|
|
|
|
|
successors: %bb.3
|
2018-02-01 06:04:26 +08:00
|
|
|
liveins: $r1, $r23
|
|
|
|
|
$r0 = A2_tfr $r1
|
2017-09-09 00:29:50 +08:00
|
|
|
|
|
|
|
|
bb.3:
|
2018-02-01 06:04:26 +08:00
|
|
|
liveins: $r23
|
2017-09-09 00:29:50 +08:00
|
|
|
...
|
