| # 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_merge_s4 |
| body: | |
| bb.0: |
| ; CHECK-LABEL: name: test_merge_s4 |
| ; CHECK: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 |
| ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4 |
| ; CHECK: [[C2:%[0-9]+]]:_(s32) = G_CONSTANT i32 255 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY [[C1]](s32) |
| ; CHECK: [[AND:%[0-9]+]]:_(s32) = G_AND [[COPY]], [[C2]] |
| ; CHECK: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 15 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[C]](s64) |
| ; CHECK: [[AND1:%[0-9]+]]:_(s32) = G_AND [[TRUNC]], [[C3]] |
| ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[AND1]], [[AND]](s32) |
| ; CHECK: [[C4:%[0-9]+]]:_(s32) = G_CONSTANT i32 15 |
| ; CHECK: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[C]](s64) |
| ; CHECK: [[AND2:%[0-9]+]]:_(s32) = G_AND [[TRUNC1]], [[C4]] |
| ; CHECK: [[COPY1:%[0-9]+]]:_(s32) = COPY [[SHL]](s32) |
| ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[AND2]], [[COPY1]] |
| ; CHECK: [[TRUNC2:%[0-9]+]]:_(s8) = G_TRUNC [[OR]](s32) |
| ; CHECK: [[COPY2:%[0-9]+]]:_(s8) = COPY [[TRUNC2]](s8) |
| ; CHECK: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[COPY2]](s8) |
| ; 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 |
| ... |
