derek.holloway
7502bf64a4
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569 lines
11 KiB
YAML
569 lines
11 KiB
YAML
# RUN: llc -mtriple=aarch64--linux-gnu -run-pass=aarch64-copyelim %s -verify-machineinstrs -o - | FileCheck %s
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# RUN: llc -mtriple=aarch64--linux-gnu -passes=aarch64-copyelim %s -o - | FileCheck %s
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---
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# CHECK-LABEL: name: test1
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# CHECK: ANDSWri $w0, 1, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $wzr
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|
name: test1
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tracksRegLiveness: true
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|
body: |
|
|
bb.0.entry:
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liveins: $w0, $x1, $x2
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|
|
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$w0 = ANDSWri $w0, 1, implicit-def $nzcv
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STRWui killed $w0, killed $x1, 0
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|
Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
|
|
bb.1:
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liveins: $x2
|
|
|
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$w0 = COPY $wzr
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STRWui killed $w0, killed $x2, 0
|
|
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test2
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# CHECK: ANDSXri $x0, 1, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $xzr
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name: test2
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tracksRegLiveness: true
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body: |
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|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2
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|
|
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$x0 = ANDSXri $x0, 1, implicit-def $nzcv
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STRXui killed $x0, killed $x1, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
|
|
bb.1:
|
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liveins: $x2
|
|
|
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$x0 = COPY $xzr
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STRXui killed $x0, killed $x2, 0
|
|
|
|
bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test3
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# CHECK: ADDSWri $w0, 1, 0, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $wzr
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|
name: test3
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tracksRegLiveness: true
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body: |
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|
bb.0.entry:
|
|
liveins: $w0, $x1, $x2
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|
|
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$w0 = ADDSWri $w0, 1, 0, implicit-def $nzcv
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STRWui killed $w0, killed $x1, 0
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Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
|
|
bb.1:
|
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liveins: $x2
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|
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$w0 = COPY $wzr
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STRWui killed $w0, killed $x2, 0
|
|
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test4
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# CHECK: ADDSXri $x0, 1, 0, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $xzr
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name: test4
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tracksRegLiveness: true
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|
body: |
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|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2
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|
|
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$x0 = ADDSXri $x0, 1, 0, implicit-def $nzcv
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STRXui killed $x0, killed $x1, 0
|
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Bcc 1, %bb.2, implicit killed $nzcv
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|
B %bb.1
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|
|
|
bb.1:
|
|
liveins: $x2
|
|
|
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$x0 = COPY $xzr
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STRXui killed $x0, killed $x2, 0
|
|
|
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test5
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# CHECK: SUBSWri $w0, 1, 0, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $wzr
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|
name: test5
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tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $x1, $x2
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|
|
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$w0 = SUBSWri $w0, 1, 0, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x1, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
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|
bb.1:
|
|
liveins: $x2
|
|
|
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$w0 = COPY $wzr
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STRWui killed $w0, killed $x2, 0
|
|
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test6
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# CHECK: SUBSXri $x0, 1, 0, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $xzr
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|
name: test6
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tracksRegLiveness: true
|
|
body: |
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|
bb.0.entry:
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liveins: $x0, $x1, $x2
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|
|
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$x0 = SUBSXri $x0, 1, 0, implicit-def $nzcv
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STRXui killed $x0, killed $x1, 0
|
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Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
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|
bb.1:
|
|
liveins: $x2
|
|
|
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$x0 = COPY $xzr
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STRXui killed $x0, killed $x2, 0
|
|
|
|
bb.2:
|
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RET_ReallyLR
|
|
...
|
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# CHECK-LABEL: name: test7
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# CHECK: ADDSWrr $w0, $w1, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $wzr
|
|
name: test7
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tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
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liveins: $w0, $w1, $x2, $x3
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|
|
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$w0 = ADDSWrr $w0, $w1, implicit-def $nzcv
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STRWui killed $w0, killed $x2, 0
|
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Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
|
|
bb.1:
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liveins: $x3
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|
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$w0 = COPY $wzr
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STRWui killed $w0, killed $x3, 0
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|
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test8
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# CHECK: ADDSXrr $x0, $x1, implicit-def $nzcv
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# CHECK: bb.1:
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# CHECK-NOT: COPY $xzr
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|
name: test8
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tracksRegLiveness: true
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|
body: |
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|
bb.0.entry:
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|
liveins: $x0, $x1, $x2, $x3
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|
|
|
$x0 = ADDSXrr $x0, $x1, implicit-def $nzcv
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STRXui killed $x0, killed $x2, 0
|
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Bcc 1, %bb.2, implicit killed $nzcv
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B %bb.1
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|
bb.1:
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liveins: $x3
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$x0 = COPY $xzr
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STRXui killed $x0, killed $x3, 0
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bb.2:
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RET_ReallyLR
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...
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# CHECK-LABEL: name: test9
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# CHECK: ANDSWrr $w0, $w1, implicit-def $nzcv
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# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
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|
name: test9
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tracksRegLiveness: true
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|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
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$w0 = ANDSWrr $w0, $w1, implicit-def $nzcv
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STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
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|
B %bb.1
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|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
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$w0 = COPY $wzr
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STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
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RET_ReallyLR
|
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...
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# CHECK-LABEL: name: test10
|
|
# CHECK: ANDSXrr $x0, $x1, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $xzr
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|
name: test10
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|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2, $x3
|
|
|
|
$x0 = ANDSXrr $x0, $x1, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
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|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
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$x0 = COPY $xzr
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STRXui killed $x0, killed $x3, 0
|
|
|
|
bb.2:
|
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RET_ReallyLR
|
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...
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# CHECK-LABEL: name: test11
|
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# CHECK: BICSWrr $w0, $w1, implicit-def $nzcv
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|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
|
|
name: test11
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
|
$w0 = BICSWrr $w0, $w1, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test12
|
|
# CHECK: BICSXrr $x0, $x1, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $xzr
|
|
name: test12
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2, $x3
|
|
|
|
$x0 = BICSXrr $x0, $x1, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$x0 = COPY $xzr
|
|
STRXui killed $x0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test13
|
|
# CHECK: SUBSWrr $w0, $w1, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
|
|
name: test13
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
|
$w0 = SUBSWrr $w0, $w1, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test14
|
|
# CHECK: SUBSXrr $x0, $x1, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $xzr
|
|
name: test14
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2, $x3
|
|
|
|
$x0 = SUBSXrr $x0, $x1, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$x0 = COPY $xzr
|
|
STRXui killed $x0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test15
|
|
# CHECK: ADDSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
|
|
name: test15
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
|
$w0 = ADDSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test16
|
|
# CHECK: ADDSXrs $x0, $x1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $xzr
|
|
name: test16
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2, $x3
|
|
|
|
$x0 = ADDSXrs $x0, $x1, 0, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$x0 = COPY $xzr
|
|
STRXui killed $x0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test17
|
|
# CHECK: ANDSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
|
|
name: test17
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
|
$w0 = ANDSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test18
|
|
# CHECK: ANDSXrs $x0, $x1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $xzr
|
|
name: test18
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2, $x3
|
|
|
|
$x0 = ANDSXrs $x0, $x1, 0, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$x0 = COPY $xzr
|
|
STRXui killed $x0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# CHECK-LABEL: name: test19
|
|
# CHECK: BICSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: COPY $wzr
|
|
name: test19
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $w1, $x2, $x3
|
|
|
|
$w0 = BICSWrs $w0, $w1, 0, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x2, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x3
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x3, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# Unicorn test - we can remove a redundant copy and a redundant mov
|
|
# CHECK-LABEL: name: test20
|
|
# CHECK: SUBSWri $w1, 1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK-NOT: $w0 = COPY $wzr
|
|
# CHECK-NOT: $w1 = MOVi32imm 1
|
|
name: test20
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w1, $x2
|
|
|
|
$w0 = SUBSWri $w1, 1, 0, implicit-def $nzcv
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x2
|
|
|
|
$w0 = COPY $wzr
|
|
$w1 = MOVi32imm 1
|
|
STRWui killed $w0, $x2, 0
|
|
STRWui killed $w1, killed $x2, 1
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
|
|
...
|
|
# Negative test - MOVi32imm clobbers $w0
|
|
# CHECK-LABEL: name: test21
|
|
# CHECK: ANDSWri $w0, 1, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK: $w0 = COPY $wzr
|
|
name: test21
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $x1, $x2
|
|
|
|
$w0 = ANDSWri $w0, 1, implicit-def $nzcv
|
|
STRWui killed $w0, $x1, 0
|
|
$w0 = MOVi32imm -1
|
|
STRWui killed $w0, killed $x1, 1
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x2
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x2, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# Negative test - SUBSXri self-clobbers x0, so MOVi64imm can't be removed
|
|
# CHECK-LABEL: name: test22
|
|
# CHECK: SUBSXri $x0, 1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK: $x0 = MOVi64imm 1
|
|
name: test22
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $x0, $x1, $x2
|
|
|
|
$x0 = SUBSXri $x0, 1, 0, implicit-def $nzcv
|
|
STRXui killed $x0, killed $x1, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x2
|
|
|
|
$x0 = MOVi64imm 1
|
|
STRXui killed $x0, killed $x2, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|
|
...
|
|
# Negative test - bb.1 has multiple preds
|
|
# CHECK-LABEL: name: test23
|
|
# CHECK: ADDSWri $w0, 1, 0, implicit-def $nzcv
|
|
# CHECK: bb.1:
|
|
# CHECK: COPY $wzr
|
|
name: test23
|
|
tracksRegLiveness: true
|
|
body: |
|
|
bb.0.entry:
|
|
liveins: $w0, $x1, $x2
|
|
|
|
$w0 = ADDSWri $w0, 1, 0, implicit-def $nzcv
|
|
STRWui killed $w0, killed $x1, 0
|
|
Bcc 1, %bb.2, implicit killed $nzcv
|
|
B %bb.1
|
|
|
|
bb.3:
|
|
liveins: $x2
|
|
|
|
B %bb.1
|
|
|
|
bb.1:
|
|
liveins: $x2
|
|
|
|
$w0 = COPY $wzr
|
|
STRWui killed $w0, killed $x2, 0
|
|
|
|
bb.2:
|
|
RET_ReallyLR
|