| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=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]+]]:_(s8) = G_CONSTANT i8 0 |
| ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 |
| ; CHECK: $x0 = COPY [[C1]](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: [[C:%[0-9]+]]:_(s8) = G_CONSTANT i8 4 |
| ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[UV]](s8) |
| ; CHECK: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4 |
| ; CHECK: [[LSHR:%[0-9]+]]:_(s32) = G_LSHR [[ZEXT]], [[C1]](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 |
| |
| ... |
