d42ab5d0f0
These were missing -NEXT checks and also had some dead checks. Also switch a test to actually check the output.
60 lines
2.2 KiB
YAML
60 lines
2.2 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z13 -start-before=livevars -stop-after=register-coalescer %s -o - | FileCheck %s
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# Test that coalesing of an empty live range (undef) does not cause failure.
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---
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name: fun
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tracksRegLiveness: true
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body: |
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; CHECK-LABEL: name: fun
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; CHECK: bb.0:
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; CHECK-NEXT: successors: %bb.2(0x40000000), %bb.1(0x40000000)
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; CHECK-NEXT: liveins: $r2d, $r3d
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[COPY:%[0-9]+]]:addr64bit = COPY $r3d
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; CHECK-NEXT: [[COPY1:%[0-9]+]]:addr64bit = COPY $r2d
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; CHECK-NEXT: [[LHIMux:%[0-9]+]]:grx32bit = LHIMux 1
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; CHECK-NEXT: [[LHIMux1:%[0-9]+]]:grx32bit = LHIMux 0
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; CHECK-NEXT: CHIMux [[LHIMux1]], 0, implicit-def $cc
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; CHECK-NEXT: BRC 14, 6, %bb.2, implicit killed $cc
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; CHECK-NEXT: J %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: [[LMux:%[0-9]+]]:gr32bit = LMux [[COPY1]], 0, $noreg :: (load (s32))
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; CHECK-NEXT: undef [[LLILL:%[0-9]+]].subreg_h64:gr128bit = LLILL 0
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; CHECK-NEXT: [[LLILL:%[0-9]+]]:gr128bit = DLR [[LLILL]], [[LMux]]
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; CHECK-NEXT: [[LHIMux:%[0-9]+]]:grx32bit = COPY [[LLILL]].subreg_ll32
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2:
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; CHECK-NEXT: STMux [[LHIMux]], [[COPY]], 0, $noreg :: (store (s32))
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; CHECK-NEXT: Return
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bb.0:
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liveins: $r2d, $r3d
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%5:addr64bit = COPY $r3d
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%4:addr64bit = COPY $r2d
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%6:grx32bit = LHIMux 1
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%7:grx32bit = LHIMux 0
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CHIMux killed %7, 0, implicit-def $cc
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BRC 14, 6, %bb.2, implicit $cc
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J %bb.1
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bb.1:
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%1:gr32bit = LMux %4, 0, $noreg :: (load (s32))
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%15:gr64bit = LLILL 0
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%14:gr128bit = INSERT_SUBREG undef %13:gr128bit, %15, %subreg.subreg_h64
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%11:gr128bit = INSERT_SUBREG %14, undef %9:gr64bit, %subreg.subreg_l64
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%12:gr128bit = DLR %11, %1
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%2:grx32bit = COPY %12.subreg_ll32
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bb.2:
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%3:grx32bit = PHI %6, %bb.0, %2, %bb.1
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STMux %3, %5, 0, $noreg :: (store (s32))
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Return
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...
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## NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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# CHECK: {{.*}}
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