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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=aarch64 -O0 -run-pass=legalizer -global-isel-abort=2 %s -o - | FileCheck %s
---
name: test_merge_s4
body: |
bb.0:
; CHECK-LABEL: name: test_merge_s4
; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 15
; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0
; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[C1]], [[C]]
; CHECK: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND]], [[C2]](s64)
; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C1]](s32)
; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C]]
; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND1]], [[SHL]]
; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[OR]](s32)
; CHECK: $x0 = COPY [[ANYEXT]](s64)
%0:_(s64) = G_CONSTANT i64 0
%1:_(s4) = G_TRUNC %0
%2:_(s8) = G_MERGE_VALUES %1, %1
%3:_(s8) = COPY %2
%4:_(s64) = G_ANYEXT %3
$x0 = COPY %4
...
---
name: test_merge_s16_s8
body: |
bb.0:
; This isn't legal but we don't support widening the destination type.
; CHECK-LABEL: name: test_merge_s16_s8
; CHECK: %a:_(s32) = COPY $w0
; CHECK: %b:_(s32) = COPY $w1
; CHECK: %a_t:_(s8) = G_TRUNC %a(s32)
; CHECK: %b_t:_(s8) = G_TRUNC %b(s32)
; CHECK: %m:_(s16) = G_MERGE_VALUES %a_t(s8), %b_t(s8)
; CHECK: %ext:_(s64) = G_ANYEXT %m(s16)
; CHECK: $x0 = COPY %ext(s64)
%a:_(s32) = COPY $w0
%b:_(s32) = COPY $w1
%a_t:_(s8) = G_TRUNC %a
%b_t:_(s8) = G_TRUNC %b
%m:_(s16) = G_MERGE_VALUES %a_t, %b_t
%ext:_(s64) = G_ANYEXT %m
$x0 = COPY %ext
...
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