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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s
# RUN: llc -debugify-and-strip-all-safe -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s
---
# select (c, x, x) -> x
name: test_combine_select_same_res
body: |
bb.1:
liveins: $x0, $x1
; CHECK-LABEL: name: test_combine_select_same_res
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
%0:_(s64) = COPY $x0
%1:_(s1) = G_TRUNC %0
%2:_(s64) = G_SELECT %1, %0, %0
$x0 = COPY %2(s64)
...
---
# select (undef, x, y) -> y
name: test_combine_select_undef_res0_res1
body: |
bb.1:
liveins: $x0, $x1
; CHECK-LABEL: name: test_combine_select_undef_res0_res1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s1) = G_IMPLICIT_DEF
%3:_(s64) = G_SELECT %2, %0, %1
$x0 = COPY %3(s64)
...
---
# select (false, x, y) -> y
name: test_combine_select_false_res0_res1
body: |
bb.1:
liveins: $x0, $x1
; CHECK-LABEL: name: test_combine_select_false_res0_res1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x1
; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s1) = G_CONSTANT i1 false
%3:_(s64) = G_SELECT %2, %0, %1
$x0 = COPY %3(s64)
...
---
# vector select (false, x, y) -> y
name: test_combine_vector_select_false_res0_res1
body: |
bb.1:
liveins: $q0, $q1
; CHECK-LABEL: name: test_combine_vector_select_false_res0_res1
; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q1
; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>)
%0:_(<4 x s32>) = COPY $q0
%1:_(<4 x s32>) = COPY $q1
%2:_(s1) = G_CONSTANT i1 false
%condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2
%3:_(<4 x s32>) = G_SELECT %condvec, %0, %1
$q0 = COPY %3(<4 x s32>)
...
---
# select (true, x, y) -> x
name: test_combine_select_true_res0_res1
body: |
bb.1:
liveins: $x0, $x1
; CHECK-LABEL: name: test_combine_select_true_res0_res1
; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
%0:_(s64) = COPY $x0
%1:_(s64) = COPY $x1
%2:_(s1) = G_CONSTANT i1 true
%3:_(s64) = G_SELECT %2, %0, %1
$x0 = COPY %3(s64)
...
---
# vector select (true, x, y) -> x
name: test_combine_vector_select_true_res0_res1
body: |
bb.1:
liveins: $q0, $q1
; CHECK-LABEL: name: test_combine_vector_select_true_res0_res1
; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>)
%0:_(<4 x s32>) = COPY $q0
%1:_(<4 x s32>) = COPY $q1
%2:_(s1) = G_CONSTANT i1 true
%condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2
%3:_(<4 x s32>) = G_SELECT %condvec, %0, %1
$q0 = COPY %3(<4 x s32>)
...
|
