1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -o - %s -verify-machineinstrs -mtriple=s390x-linux-gnu -mcpu=z196 -run-pass=livevars,twoaddressinstruction | FileCheck %s
# Check that the COPY from [[COPY3]] is not killed because there is a subsequent
# use of [[COPY3]] in the INLINEASM instruction.
---
name: f2
tracksRegLiveness: true
body: |
bb.0:
liveins: $r2l
; CHECK-LABEL: name: f2
; CHECK: liveins: $r2l
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gr32bit = COPY killed $r2l
; CHECK-NEXT: [[COPY1:%[0-9]+]]:grh32bit = COPY [[COPY]]
; CHECK-NEXT: $r2l = COPY [[COPY]]
; CHECK-NEXT: $r3l = COPY killed [[COPY]]
; CHECK-NEXT: [[COPY2:%[0-9]+]]:grh32bit = COPY killed [[COPY1]]
; CHECK-NEXT: INLINEASM &"stepa $1, $2, $3", 0 /* attdialect */, 393226 /* regdef:GRH32Bit */, def [[COPY2]], 2147483657 /* reguse tiedto:$0 */, [[COPY2]](tied-def 3), 9 /* reguse */, killed $r2l, 9 /* reguse */, killed $r3l
; CHECK-NEXT: [[COPY3:%[0-9]+]]:grh32bit = COPY killed [[COPY2]]
; CHECK-NEXT: [[COPY4:%[0-9]+]]:grh32bit = COPY [[COPY3]]
; CHECK-NEXT: INLINEASM &"stepb $1, $2", 0 /* attdialect */, 393227 /* regdef-ec:GRH32Bit */, def early-clobber [[COPY4]], 2147483657 /* reguse tiedto:$0 */, [[COPY4]](tied-def 3), 393225 /* reguse:GRH32Bit */, [[COPY3]]
; CHECK-NEXT: $r2l = COPY killed [[COPY4]]
; CHECK-NEXT: Return implicit killed $r2l
%0:gr32bit = COPY killed $r2l
%2:grh32bit = COPY %0
$r2l = COPY %0
$r3l = COPY killed %0
INLINEASM &"stepa $1, $2, $3", 0 /* attdialect */, 393226 /* regdef:GRH32Bit */, def %1:grh32bit, 2147483657 /* reguse tiedto:$0 */, killed %2(tied-def 3), 9 /* reguse */, killed $r2l, 9 /* reguse */, killed $r3l
%4:grh32bit = COPY killed %1
INLINEASM &"stepb $1, $2", 0 /* attdialect */, 393227 /* regdef-ec:GRH32Bit */, def early-clobber %3:grh32bit, 2147483657 /* reguse tiedto:$0 */, killed %4(tied-def 3), 393225 /* reguse:GRH32Bit */, %4
$r2l = COPY killed %3
Return implicit killed $r2l
...
|
