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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -O0 -run-pass=legalizer %s -o - | FileCheck %s
---
name: test_unmerge_s4_constant
body: |
bb.0:
; CHECK-LABEL: name: test_unmerge_s4_constant
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0
; CHECK: $x0 = COPY [[C]](s64)
%0:_(s8) = G_CONSTANT i8 0
%1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0
%3:_(s64) = G_ANYEXT %1
$x0 = COPY %3
...
---
name: test_unmerge_s4
body: |
bb.0:
liveins: $w0
; CHECK-LABEL: name: test_unmerge_s4
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0
; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8), [[UV2:%[0-9]+]]:_(s8), [[UV3:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[COPY]](s32)
; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UV]](s8)
; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C]](s64)
; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[UV]](s8)
; CHECK: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT [[LSHR]](s32)
; CHECK: $x0 = COPY [[ANYEXT]](s64)
; CHECK: $x1 = COPY [[ANYEXT1]](s64)
%0:_(s32) = COPY $w0
%1:_(s8) = G_TRUNC %0
%2:_(s4), %3:_(s4)= G_UNMERGE_VALUES %1
%4:_(s64) = G_ANYEXT %2
%5:_(s64) = G_ANYEXT %3
$x0 = COPY %4
$x1 = COPY %5
...
|
