92 lines
2.5 KiB
YAML
92 lines
2.5 KiB
YAML
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple aarch64 -run-pass=aarch64-postlegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: merge_unmerge
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alignment: 4
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legalized: true
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liveins:
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- { reg: '$w0' }
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body: |
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bb.1.entry:
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liveins: $x0
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; CHECK-LABEL: name: merge_unmerge
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: $x0 = COPY [[COPY]](s64)
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; CHECK: RET_ReallyLR implicit $x0
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%0:_(s64) = COPY $x0
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%a:_(s32), %b:_(s32) = G_UNMERGE_VALUES %0
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%merge:_(s64) = G_MERGE_VALUES %a, %b
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$x0 = COPY %merge(s64)
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RET_ReallyLR implicit $x0
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...
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---
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name: merge_unmerge_mismatched_order
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alignment: 4
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legalized: true
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liveins:
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- { reg: '$w0' }
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body: |
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bb.1.entry:
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liveins: $x0
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; CHECK-LABEL: name: merge_unmerge_mismatched_order
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; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
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; CHECK: %b:_(s32), %a:_(s32) = G_UNMERGE_VALUES [[COPY]](s64)
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; CHECK: %merge:_(s64) = G_MERGE_VALUES %a(s32), %b(s32)
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; CHECK: $x0 = COPY %merge(s64)
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; CHECK: RET_ReallyLR implicit $x0
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%0:_(s64) = COPY $x0
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%b:_(s32), %a:_(s32) = G_UNMERGE_VALUES %0
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%merge:_(s64) = G_MERGE_VALUES %a, %b
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$x0 = COPY %merge(s64)
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RET_ReallyLR implicit $x0
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...
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---
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name: merge_unmerge_mismatched_num_defs
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alignment: 4
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legalized: true
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liveins:
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- { reg: '$w0' }
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body: |
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bb.1.entry:
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liveins: $q0
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; CHECK-LABEL: name: merge_unmerge_mismatched_num_defs
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; CHECK: [[COPY:%[0-9]+]]:_(s128) = COPY $q0
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; CHECK: %a:_(s32), %b:_(s32), %c:_(s32), %d:_(s32) = G_UNMERGE_VALUES [[COPY]](s128)
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; CHECK: %merge:_(s64) = G_MERGE_VALUES %a(s32), %b(s32)
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; CHECK: $x0 = COPY %merge(s64)
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; CHECK: RET_ReallyLR implicit $x0
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%0:_(s128) = COPY $q0
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%a:_(s32), %b:_(s32), %c:_(s32), %d:_(s32) = G_UNMERGE_VALUES %0
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%merge:_(s64) = G_MERGE_VALUES %a, %b
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$x0 = COPY %merge(s64)
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RET_ReallyLR implicit $x0
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...
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---
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name: merge_to_zext
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alignment: 4
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legalized: true
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liveins:
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- { reg: '$w0' }
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body: |
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bb.1.entry:
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liveins: $w0
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; CHECK-LABEL: name: merge_to_zext
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; CHECK: %v:_(s32) = COPY $w0
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; CHECK: %merge:_(s64) = G_ZEXT %v(s32)
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; CHECK: $x0 = COPY %merge(s64)
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; CHECK: RET_ReallyLR implicit $x0
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%v:_(s32) = COPY $w0
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%zero:_(s32) = G_CONSTANT i32 0
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%merge:_(s64) = G_MERGE_VALUES %v, %zero
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$x0 = COPY %merge(s64)
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RET_ReallyLR implicit $x0
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...
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