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TheRock/compiler/amd-llvm/llvm/test/CodeGen/PowerPC/mcp-elim-eviction-chain.mir
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O3 -verify-machineinstrs -mtriple=powerpc64-unknown-unknown \
# RUN: -simplify-mir -run-pass=machine-cp %s -o - | FileCheck %s
--- |
declare void @foo()
define void @test0() {
entry:
ret void
}
define void @test1() {
entry:
ret void
}
define void @test2() {
entry:
ret void
}
define void @test3() {
entry:
ret void
}
define void @test4() {
entry:
ret void
}
define void @test5() {
entry:
ret void
}
define void @test6() {
entry:
ret void
}
...
---
name: test0
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x4, $x5, $x20, $x21, $x22
; CHECK-LABEL: name: test0
; CHECK: liveins: $x4, $x5, $x20, $x21, $x22
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x24 = COPY $x4
; CHECK-NEXT: $x23 = COPY renamable $x20
; CHECK-NEXT: renamable $x20 = ADD8 $x4, $x5
; CHECK-NEXT: renamable $x4 = COPY renamable $x20
; CHECK-NEXT: renamable $x20 = COPY $x23
; CHECK-NEXT: renamable $x23 = COPY renamable $x24
; CHECK-NEXT: $x3 = COPY renamable $x4
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x20, implicit $x21, implicit $x22, implicit $x23
renamable $x23 = COPY renamable $x4
renamable $x24 = COPY renamable $x23
renamable $x23 = COPY renamable $x22
renamable $x22 = COPY renamable $x21
renamable $x21 = COPY renamable $x20
renamable $x20 = ADD8 $x4, $x5
renamable $x4 = COPY renamable $x20
renamable $x20 = COPY renamable $x21
renamable $x21 = COPY renamable $x22
renamable $x22 = COPY renamable $x23
renamable $x23 = COPY renamable $x24
$x3 = COPY renamable $x4
BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x20, implicit $x21, implicit $x22, implicit $x23
...
# Duplicated pairs.
---
name: test1
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $x20, $x21, $x22, $x23
; CHECK-LABEL: name: test1
; CHECK: liveins: $x3, $x20, $x21, $x22, $x23
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x24 = COPY $x3
; CHECK-NEXT: renamable $x23 = COPY renamable $x22
; CHECK-NEXT: renamable $x22 = COPY renamable $x21
; CHECK-NEXT: renamable $x21 = COPY renamable $x20
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24
renamable $x23 = COPY $x3
renamable $x24 = COPY renamable $x23
renamable $x23 = COPY renamable $x22
renamable $x22 = COPY renamable $x21
renamable $x21 = COPY renamable $x20
renamable $x20 = COPY renamable $x21
renamable $x21 = COPY renamable $x22
renamable $x22 = COPY renamable $x23
renamable $x23 = COPY renamable $x24
renamable $x24 = COPY renamable $x23
renamable $x23 = COPY renamable $x22
renamable $x22 = COPY renamable $x21
renamable $x21 = COPY renamable $x20
BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24
...
# Chain one after one.
---
name: test2
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $x18, $x19, $x20, $x21, $x22, $x23, $x24
; CHECK-LABEL: name: test2
; CHECK: liveins: $x3, $x18, $x19, $x20, $x21, $x22, $x23, $x24
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x21 = COPY renamable $x20
; CHECK-NEXT: renamable $x20 = COPY renamable $x21
; CHECK-NEXT: renamable $x25 = COPY renamable $x24
; CHECK-NEXT: renamable $x24 = COPY renamable $x25
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25
renamable $x21 = COPY renamable $x20
renamable $x20 = COPY renamable $x19
renamable $x19 = COPY renamable $x18
renamable $x18 = COPY renamable $x19
renamable $x19 = COPY renamable $x20
renamable $x20 = COPY renamable $x21
renamable $x25 = COPY renamable $x24
renamable $x24 = COPY renamable $x23
renamable $x23 = COPY renamable $x22
renamable $x22 = COPY renamable $x23
renamable $x23 = COPY renamable $x24
renamable $x24 = COPY renamable $x25
BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25
...
# Reorder code in test2, thus we have two chains in build simultaneously.
---
name: test3
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $x18, $x19, $x20, $x21, $x22, $x23, $x24
; CHECK-LABEL: name: test3
; CHECK: liveins: $x3, $x18, $x19, $x20, $x21, $x22, $x23, $x24
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x21 = COPY renamable $x20
; CHECK-NEXT: renamable $x25 = COPY renamable $x24
; CHECK-NEXT: renamable $x20 = COPY renamable $x21
; CHECK-NEXT: renamable $x24 = COPY renamable $x25
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25
renamable $x21 = COPY renamable $x20
renamable $x25 = COPY renamable $x24
renamable $x20 = COPY renamable $x19
renamable $x24 = COPY renamable $x23
renamable $x19 = COPY renamable $x18
renamable $x23 = COPY renamable $x22
renamable $x18 = COPY renamable $x19
renamable $x22 = COPY renamable $x23
renamable $x19 = COPY renamable $x20
renamable $x23 = COPY renamable $x24
renamable $x20 = COPY renamable $x21
renamable $x24 = COPY renamable $x25
BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x18, implicit $x19, implicit $x20, implicit $x21, implicit $x22, implicit $x23, implicit $x24, implicit $x25
...
---
name: test4
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x3, $x4, $x5
; CHECK-LABEL: name: test4
; CHECK: liveins: $x3, $x4, $x5
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3
renamable $x5 = COPY renamable $x3
renamable $x4 = COPY renamable $x3
renamable $x2 = COPY renamable $x3
renamable $x3 = COPY renamable $x2
renamable $x3 = COPY renamable $x4
renamable $x3 = COPY renamable $x5
BLR8 implicit $lr8, implicit undef $rm, implicit $x3
...
# Chain across regmask.
---
name: test5
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x17, $x16, $x15, $x14, $x3
; CHECK-LABEL: name: test5
; CHECK: liveins: $x17, $x16, $x15, $x14, $x3
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x18 = COPY renamable $x17
; CHECK-NEXT: $x17 = COPY renamable $x3
; CHECK-NEXT: BL8_NOP @foo, csr_ppc64, implicit-def dead $lr8, implicit $rm, implicit-def $x3, implicit $x3
; CHECK-NEXT: renamable $x3 = COPY $x17
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3
renamable $x18 = COPY renamable $x17
renamable $x17 = COPY renamable $x16
renamable $x16 = COPY renamable $x15
renamable $x15 = COPY renamable $x14
renamable $x14 = COPY renamable $x3
BL8_NOP @foo, csr_ppc64, implicit-def dead $lr8, implicit $rm, implicit-def $x3, implicit $x3
renamable $x3 = COPY renamable $x14
renamable $x14 = COPY renamable $x15
renamable $x15 = COPY renamable $x16
renamable $x16 = COPY renamable $x17
renamable $x17 = COPY renamable $x18
BLR8 implicit $lr8, implicit undef $rm, implicit $x3
...
# Two chains across regmask.
---
name: test6
alignment: 4
tracksRegLiveness: true
body: |
bb.0.entry:
liveins: $x20, $x19, $x17, $x16, $x15, $x14, $x3, $x4
; CHECK-LABEL: name: test6
; CHECK: liveins: $x20, $x19, $x17, $x16, $x15, $x14, $x3, $x4
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: renamable $x21 = COPY renamable $x20
; CHECK-NEXT: renamable $x18 = COPY renamable $x17
; CHECK-NEXT: $x17 = COPY renamable $x3
; CHECK-NEXT: $x20 = COPY renamable $x4
; CHECK-NEXT: BL8_NOP @foo, csr_ppc64, implicit-def dead $lr8, implicit $rm, implicit-def $x3, implicit $x3, implicit-def $x4, implicit $x4
; CHECK-NEXT: renamable $x3 = COPY $x17
; CHECK-NEXT: renamable $x4 = COPY $x20
; CHECK-NEXT: BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x4
renamable $x21 = COPY renamable $x20
renamable $x18 = COPY renamable $x17
renamable $x17 = COPY renamable $x16
renamable $x16 = COPY renamable $x15
renamable $x20 = COPY renamable $x19
renamable $x15 = COPY renamable $x14
renamable $x14 = COPY renamable $x3
renamable $x19 = COPY renamable $x4
BL8_NOP @foo, csr_ppc64, implicit-def dead $lr8, implicit $rm, implicit-def $x3, implicit $x3, implicit-def $x4, implicit $x4
renamable $x3 = COPY renamable $x14
renamable $x14 = COPY renamable $x15
renamable $x4 = COPY renamable $x19
renamable $x15 = COPY renamable $x16
renamable $x19 = COPY renamable $x20
renamable $x16 = COPY renamable $x17
renamable $x20 = COPY renamable $x21
renamable $x17 = COPY renamable $x18
BLR8 implicit $lr8, implicit undef $rm, implicit $x3, implicit $x4
...