51 lines
1.5 KiB
Plaintext
51 lines
1.5 KiB
Plaintext
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -O0 -mtriple arm64-- -run-pass=regbankselect -verify-machineinstrs %s -o - | FileCheck %s
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---
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name: unmerge
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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frameInfo:
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maxCallFrameSize: 0
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body: |
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bb.0:
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liveins: $q0
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; Ensure that the dest regs have FPR since we're unmerging from a vector
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; CHECK-LABEL: name: unmerge
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; CHECK: liveins: $q0
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; CHECK: [[COPY:%[0-9]+]]:fpr(<2 x s64>) = COPY $q0
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; CHECK: [[UV:%[0-9]+]]:fpr(s64), [[UV1:%[0-9]+]]:fpr(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>)
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; CHECK: $x0 = COPY [[UV]](s64)
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; CHECK: RET_ReallyLR implicit $x0
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%0:_(<2 x s64>) = COPY $q0
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%1:_(s64), %2:_(s64) = G_UNMERGE_VALUES %0(<2 x s64>)
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$x0 = COPY %1(s64)
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RET_ReallyLR implicit $x0
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...
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---
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name: unmerge_s128
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alignment: 4
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legalized: true
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tracksRegLiveness: true
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frameInfo:
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maxCallFrameSize: 0
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body: |
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bb.0:
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liveins: $q0
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; s128 should be treated as an FPR/vector because it can't live on GPR bank.
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; CHECK-LABEL: name: unmerge_s128
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; CHECK: liveins: $q0
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; CHECK: [[COPY:%[0-9]+]]:fpr(s128) = COPY $q0
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; CHECK: [[UV:%[0-9]+]]:fpr(s64), [[UV1:%[0-9]+]]:fpr(s64) = G_UNMERGE_VALUES [[COPY]](s128)
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; CHECK: $x0 = COPY [[UV]](s64)
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; CHECK: RET_ReallyLR implicit $x0
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%0:_(s128) = COPY $q0
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%1:_(s64), %2:_(s64) = G_UNMERGE_VALUES %0(s128)
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$x0 = COPY %1(s64)
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RET_ReallyLR implicit $x0
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...
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