| # 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: $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: $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: $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) |
| ... |
| --- |
| # 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: $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) |
| ... |