mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-22 20:43:44 +02:00
d4c615be8c
Discussed here: http://lists.llvm.org/pipermail/llvm-dev/2018-January/120320.html In preparation for adding support for named vregs we are changing the sigil for physical registers in MIR to '$' from '%'. This will prevent name clashes of named physical register with named vregs. llvm-svn: 323922
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
|
|
|
|
# CHECK-LABEL: name: foo
|
|
# CHECK: $p0 = C2_cmpeqi $r16, 0
|
|
# Make sure there is no implicit use of r1.
|
|
# CHECK: $r1 = L2_ploadruhf_io $p0, $r29, 6
|
|
|
|
--- |
|
|
define void @foo() {
|
|
ret void
|
|
}
|
|
...
|
|
|
|
|
|
---
|
|
name: foo
|
|
tracksRegLiveness: true
|
|
|
|
body: |
|
|
bb.0:
|
|
liveins: $r16
|
|
successors: %bb.1, %bb.2
|
|
$p0 = C2_cmpeqi $r16, 0
|
|
J2_jumpt $p0, %bb.2, implicit-def $pc
|
|
|
|
bb.1:
|
|
; The lane mask $d0:0002 is equivalent to $r0. LivePhysRegs would ignore
|
|
; it and treat it as the whole $d0, which is a pair $r1, $r0. The extra
|
|
; $r1 would cause an (undefined) implicit use to be added during
|
|
; if-conversion.
|
|
liveins: $d0:0x00000002, $d15:0x00000001, $r16
|
|
successors: %bb.2
|
|
$r1 = L2_loadruh_io $r29, 6
|
|
S2_storeri_io killed $r16, 0, $r1
|
|
|
|
bb.2:
|
|
liveins: $r0
|
|
$d8 = L2_loadrd_io $r29, 8
|
|
$d15 = L4_return $r29, implicit-def $r29, implicit-def $pc, implicit $r30, implicit $framekey
|
|
|