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