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Flatten subprojects into a single base monorepo
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -run-pass greedy %s -o - \
# RUN: | FileCheck %s
#
# Test that a reload can be folded into a compare instruction after swapping
# operands (when the LHS register is spilled).
--- |
declare i64 @foo()
define i64 @fun1(ptr %ptr0) { ret i64 0 }
define i64 @fun2(ptr %ptr0) { ret i64 0 }
declare i32 @foo32()
define i32 @fun3(ptr %ptr0) { ret i32 0 }
define i32 @fun4(ptr %ptr0) { ret i32 0 }
...
# Test CGR -> CG
# CHECK: name: fun1
# CHECK: CG %10, %stack.0, 0, $noreg, implicit-def $cc :: (load (s64) from %stack.0)
# CHECK-NEXT: %12:gr64bit = LOCGHI %12, 8, 14, 12, implicit $cc
---
name: fun1
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: addr64bit }
- { id: 1, class: gr64bit }
- { id: 2, class: gr64bit }
- { id: 3, class: gr64bit }
- { id: 4, class: gr64bit }
- { id: 5, class: gr64bit }
- { id: 6, class: gr64bit }
- { id: 7, class: gr64bit }
- { id: 8, class: gr64bit }
- { id: 9, class: gr64bit }
- { id: 10, class: gr64bit }
- { id: 11, class: gr64bit }
- { id: 12, class: gr64bit }
- { id: 13, class: gr64bit }
- { id: 14, class: gr64bit }
- { id: 15, class: gr64bit }
- { id: 16, class: gr64bit }
- { id: 17, class: gr64bit }
- { id: 18, class: gr64bit }
- { id: 19, class: gr64bit }
liveins:
- { reg: '$r2d', virtual-reg: '%0' }
frameInfo:
maxAlignment: 1
adjustsStack: true
hasCalls: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $r2d
%0:addr64bit = COPY $r2d
%1:gr64bit = LG %0, 0, $noreg
%2:gr64bit = LG %0, 16, $noreg
%3:gr64bit = LG %0, 32, $noreg
%4:gr64bit = LG %0, 48, $noreg
%5:gr64bit = LG %0, 64, $noreg
%6:gr64bit = LG %0, 80, $noreg
%7:gr64bit = LG %0, 96, $noreg
%8:gr64bit = LG %0, 112, $noreg
%9:gr64bit = LG %0, 128, $noreg
ADJCALLSTACKDOWN 0, 0
CallBRASL @foo, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
%10:gr64bit = COPY $r2d
ADJCALLSTACKUP 0, 0
CGR %10, %1, implicit-def $cc
%12:gr64bit = COPY %10
%12:gr64bit = LOCGHI %12, 0, 14, 10, implicit killed $cc
CGR %10, %2, implicit-def $cc
%12:gr64bit = LOCGHI %12, 1, 14, 10, implicit killed $cc
CGR %10, %3, implicit-def $cc
%12:gr64bit = LOCGHI %12, 2, 14, 10, implicit killed $cc
CGR %10, %4, implicit-def $cc
%12:gr64bit = LOCGHI %12, 3, 14, 10, implicit killed $cc
CGR %10, %5, implicit-def $cc
%12:gr64bit = LOCGHI %12, 4, 14, 10, implicit killed $cc
CGR %10, %6, implicit-def $cc
%12:gr64bit = LOCGHI %12, 5, 14, 10, implicit killed $cc
CGR %10, %7, implicit-def $cc
%12:gr64bit = LOCGHI %12, 6, 14, 10, implicit killed $cc
CGR %10, %8, implicit-def $cc
%12:gr64bit = LOCGHI %12, 7, 14, 10, implicit killed $cc
CGR %9, %10, implicit-def $cc
%12:gr64bit = LOCGHI %12, 8, 14, 10, implicit killed $cc
$r2d = COPY %12
Return implicit $r2d
...
# Test CLGR -> CLG
# CHECK: name: fun2
# CHECK: CLG %10, %stack.0, 0, $noreg, implicit-def $cc :: (load (s64) from %stack.0)
# CHECK-NEXT: %12:gr64bit = LOCGHI %12, 8, 14, 12, implicit $cc
---
name: fun2
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: addr64bit }
- { id: 1, class: gr64bit }
- { id: 2, class: gr64bit }
- { id: 3, class: gr64bit }
- { id: 4, class: gr64bit }
- { id: 5, class: gr64bit }
- { id: 6, class: gr64bit }
- { id: 7, class: gr64bit }
- { id: 8, class: gr64bit }
- { id: 9, class: gr64bit }
- { id: 10, class: gr64bit }
- { id: 11, class: gr64bit }
- { id: 12, class: gr64bit }
- { id: 13, class: gr64bit }
- { id: 14, class: gr64bit }
- { id: 15, class: gr64bit }
- { id: 16, class: gr64bit }
- { id: 17, class: gr64bit }
- { id: 18, class: gr64bit }
- { id: 19, class: gr64bit }
liveins:
- { reg: '$r2d', virtual-reg: '%0' }
frameInfo:
maxAlignment: 1
adjustsStack: true
hasCalls: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $r2d
%0:addr64bit = COPY $r2d
%1:gr64bit = LG %0, 0, $noreg
%2:gr64bit = LG %0, 16, $noreg
%3:gr64bit = LG %0, 32, $noreg
%4:gr64bit = LG %0, 48, $noreg
%5:gr64bit = LG %0, 64, $noreg
%6:gr64bit = LG %0, 80, $noreg
%7:gr64bit = LG %0, 96, $noreg
%8:gr64bit = LG %0, 112, $noreg
%9:gr64bit = LG %0, 128, $noreg
ADJCALLSTACKDOWN 0, 0
CallBRASL @foo, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2d
%10:gr64bit = COPY $r2d
ADJCALLSTACKUP 0, 0
CGR %10, %1, implicit-def $cc
%12:gr64bit = COPY %10
%12:gr64bit = LOCGHI %12, 0, 14, 10, implicit killed $cc
CGR %10, %2, implicit-def $cc
%12:gr64bit = LOCGHI %12, 1, 14, 10, implicit killed $cc
CGR %10, %3, implicit-def $cc
%12:gr64bit = LOCGHI %12, 2, 14, 10, implicit killed $cc
CGR %10, %4, implicit-def $cc
%12:gr64bit = LOCGHI %12, 3, 14, 10, implicit killed $cc
CGR %10, %5, implicit-def $cc
%12:gr64bit = LOCGHI %12, 4, 14, 10, implicit killed $cc
CGR %10, %6, implicit-def $cc
%12:gr64bit = LOCGHI %12, 5, 14, 10, implicit killed $cc
CGR %10, %7, implicit-def $cc
%12:gr64bit = LOCGHI %12, 6, 14, 10, implicit killed $cc
CGR %10, %8, implicit-def $cc
%12:gr64bit = LOCGHI %12, 7, 14, 10, implicit killed $cc
CLGR %9, %10, implicit-def $cc
%12:gr64bit = LOCGHI %12, 8, 14, 10, implicit killed $cc
$r2d = COPY %12
Return implicit $r2d
...
# Test CR -> C
# CHECK: name: fun3
# CHECK: C %10, %stack.0, 0, $noreg, implicit-def $cc :: (load (s32) from %stack.0)
# CHECK: %12:gr32bit = LOCHIMux %12, 8, 14, 12, implicit $cc
---
name: fun3
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: addr64bit }
- { id: 1, class: gr32bit }
- { id: 2, class: gr32bit }
- { id: 3, class: gr32bit }
- { id: 4, class: gr32bit }
- { id: 5, class: gr32bit }
- { id: 6, class: gr32bit }
- { id: 7, class: gr32bit }
- { id: 8, class: gr32bit }
- { id: 9, class: gr32bit }
- { id: 10, class: gr32bit }
- { id: 11, class: gr32bit }
- { id: 12, class: gr32bit }
- { id: 13, class: gr32bit }
- { id: 14, class: gr32bit }
- { id: 15, class: gr32bit }
- { id: 16, class: gr32bit }
- { id: 17, class: gr32bit }
- { id: 18, class: gr32bit }
- { id: 19, class: gr32bit }
liveins:
- { reg: '$r2d', virtual-reg: '%0' }
frameInfo:
maxAlignment: 1
adjustsStack: true
hasCalls: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $r2d
%0:addr64bit = COPY $r2d
%1:gr32bit = LMux %0, 0, $noreg
%2:gr32bit = LMux %0, 8, $noreg
%3:gr32bit = LMux %0, 16, $noreg
%4:gr32bit = LMux %0, 24, $noreg
%5:gr32bit = LMux %0, 32, $noreg
%6:gr32bit = LMux %0, 40, $noreg
%7:gr32bit = LMux %0, 48, $noreg
%8:gr32bit = LMux %0, 56, $noreg
%9:gr32bit = LMux %0, 64, $noreg
ADJCALLSTACKDOWN 0, 0
CallBRASL @foo, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2l
%10:gr32bit = COPY $r2l
ADJCALLSTACKUP 0, 0
CR %10, %1, implicit-def $cc
%12:gr32bit = COPY %10
%12:gr32bit = LOCHIMux %12, 0, 14, 10, implicit killed $cc
CR %10, %2, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 1, 14, 10, implicit killed $cc
CR %10, %3, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 2, 14, 10, implicit killed $cc
CR %10, %4, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 3, 14, 10, implicit killed $cc
CR %10, %5, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 4, 14, 10, implicit killed $cc
CR %10, %6, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 5, 14, 10, implicit killed $cc
CR %10, %7, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 6, 14, 10, implicit killed $cc
CR %10, %8, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 7, 14, 10, implicit killed $cc
CR %9, %10, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 8, 14, 10, implicit killed $cc
$r2l = COPY %12
Return implicit $r2l
...
# Test CLR -> CL
# CHECK: name: fun4
# CHECK: CL %10, %stack.0, 0, $noreg, implicit-def $cc :: (load (s32) from %stack.0)
# CHECK: %12:gr32bit = LOCHIMux %12, 8, 14, 12, implicit $cc
---
name: fun4
alignment: 16
tracksRegLiveness: true
registers:
- { id: 0, class: addr64bit }
- { id: 1, class: gr32bit }
- { id: 2, class: gr32bit }
- { id: 3, class: gr32bit }
- { id: 4, class: gr32bit }
- { id: 5, class: gr32bit }
- { id: 6, class: gr32bit }
- { id: 7, class: gr32bit }
- { id: 8, class: gr32bit }
- { id: 9, class: gr32bit }
- { id: 10, class: gr32bit }
- { id: 11, class: gr32bit }
- { id: 12, class: gr32bit }
- { id: 13, class: gr32bit }
- { id: 14, class: gr32bit }
- { id: 15, class: gr32bit }
- { id: 16, class: gr32bit }
- { id: 17, class: gr32bit }
- { id: 18, class: gr32bit }
- { id: 19, class: gr32bit }
liveins:
- { reg: '$r2d', virtual-reg: '%0' }
frameInfo:
maxAlignment: 1
adjustsStack: true
hasCalls: true
machineFunctionInfo: {}
body: |
bb.0:
liveins: $r2d
%0:addr64bit = COPY $r2d
%1:gr32bit = LMux %0, 0, $noreg
%2:gr32bit = LMux %0, 8, $noreg
%3:gr32bit = LMux %0, 16, $noreg
%4:gr32bit = LMux %0, 24, $noreg
%5:gr32bit = LMux %0, 32, $noreg
%6:gr32bit = LMux %0, 40, $noreg
%7:gr32bit = LMux %0, 48, $noreg
%8:gr32bit = LMux %0, 56, $noreg
%9:gr32bit = LMux %0, 64, $noreg
ADJCALLSTACKDOWN 0, 0
CallBRASL @foo, csr_systemz_elf, implicit-def dead $r14d, implicit-def dead $cc, implicit $fpc, implicit-def $r2l
%10:gr32bit = COPY $r2l
ADJCALLSTACKUP 0, 0
CR %10, %1, implicit-def $cc
%12:gr32bit = COPY %10
%12:gr32bit = LOCHIMux %12, 0, 14, 10, implicit killed $cc
CR %10, %2, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 1, 14, 10, implicit killed $cc
CR %10, %3, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 2, 14, 10, implicit killed $cc
CR %10, %4, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 3, 14, 10, implicit killed $cc
CR %10, %5, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 4, 14, 10, implicit killed $cc
CR %10, %6, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 5, 14, 10, implicit killed $cc
CR %10, %7, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 6, 14, 10, implicit killed $cc
CR %10, %8, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 7, 14, 10, implicit killed $cc
CLR %9, %10, implicit-def $cc
%12:gr32bit = LOCHIMux %12, 8, 14, 10, implicit killed $cc
$r2l = COPY %12
Return implicit $r2l
...
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