76 lines
1.9 KiB
Plaintext
76 lines
1.9 KiB
Plaintext
|
# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=greedy %s -o - \
|
||
|
|
# RUN: | FileCheck %s
|
||
|
|
#
|
||
|
|
# Test that regalloc manages (via regalloc hints) to avoid a LOCRMux jump
|
||
|
|
# sequence expansion.
|
||
|
|
|
||
|
|
--- |
|
||
|
|
|
||
|
|
declare i8* @foo(i8*, i32 signext, i32 signext) local_unnamed_addr
|
||
|
|
|
||
|
|
define i8* @fun(i8* returned) {
|
||
|
|
br label %2
|
||
|
|
|
||
|
|
; <label>:2: ; preds = %6, %1
|
||
|
|
%3 = zext i16 undef to i32
|
||
|
|
switch i32 %3, label %4 [
|
||
|
|
i32 15, label %6
|
||
|
|
i32 125, label %5
|
||
|
|
]
|
||
|
|
|
||
|
|
; <label>:4: ; preds = %2
|
||
|
|
br label %6
|
||
|
|
|
||
|
|
; <label>:5: ; preds = %2
|
||
|
|
br label %6
|
||
|
|
|
||
|
|
; <label>:6: ; preds = %5, %4, %2
|
||
|
|
%7 = phi i32 [ 4, %2 ], [ undef, %4 ], [ 10, %5 ]
|
||
|
|
%8 = call i8* @foo(i8* undef, i32 signext undef, i32 signext %7)
|
||
|
|
br label %2
|
||
|
|
}
|
||
|
|
|
||
|
|
...
|
||
|
|
|
||
|
|
# CHECK: locr
|
||
|
|
# CHECK-NOT: risblg
|
||
|
|
|
||
|
|
---
|
||
|
|
name: fun
|
||
|
|
alignment: 4
|
||
|
|
tracksRegLiveness: true
|
||
|
|
registers:
|
||
|
|
- { id: 0, class: gr32bit }
|
||
|
|
- { id: 1, class: gr64bit }
|
||
|
|
- { id: 2, class: grx32bit }
|
||
|
|
- { id: 3, class: grx32bit }
|
||
|
|
- { id: 4, class: grx32bit }
|
||
|
|
- { id: 5, class: grx32bit }
|
||
|
|
- { id: 6, class: grx32bit }
|
||
|
|
- { id: 7, class: gr64bit }
|
||
|
|
- { id: 8, class: gr64bit }
|
||
|
|
- { id: 9, class: gr64bit }
|
||
|
|
- { id: 10, class: gr64bit }
|
||
|
|
- { id: 11, class: gr32bit }
|
||
|
|
frameInfo:
|
||
|
|
hasCalls: true
|
||
|
|
body: |
|
||
|
|
bb.0 (%ir-block.1):
|
||
|
|
%3 = LHIMux 0
|
||
|
|
%2 = LHIMux 4
|
||
|
|
%5 = LHIMux 10
|
||
|
|
|
||
|
|
bb.1 (%ir-block.2):
|
||
|
|
CHIMux %3, 0, implicit-def $cc
|
||
|
|
%0 = LOCRMux undef %0, %5, 14, 6, implicit $cc
|
||
|
|
%0 = LOCRMux %0, %2, 14, 6, implicit killed $cc
|
||
|
|
ADJCALLSTACKDOWN 0, 0
|
||
|
|
%7 = LGFR %0
|
||
|
|
$r3d = LGHI 0
|
||
|
|
$r4d = COPY %7
|
||
|
|
CallBRASL @foo, undef $r2d, killed $r3d, killed $r4d, csr_systemz, implicit-def dead $r14d, implicit-def dead $cc, implicit-def dead $r2d
|
||
|
|
ADJCALLSTACKUP 0, 0
|
||
|
|
J %bb.1
|
||
|
|
|
||
|
|
...
|