| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -march=aarch64 -O0 -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck %s |
| # RUN: llc -march=aarch64 -O0 -run-pass=legalizer -global-isel-abort=0 -pass-remarks-missed='gisel*' %s -o /dev/null 2>&1 | FileCheck -check-prefix=ERROR %s |
| # ERROR: unable to legalize instruction: %3:_(s64) = G_ANYEXT %1:_(s4) (in function: test_unmerge_s4) |
| |
| --- |
| name: test_unmerge_s4 |
| body: | |
| bb.0: |
| ; CHECK-LABEL: name: test_unmerge_s4 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s8) = G_TRUNC [[C]](s32) |
| ; CHECK: [[ZEXT:%[0-9]+]]:_(s16) = G_ZEXT [[TRUNC]](s8) |
| ; CHECK: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 4 |
| ; CHECK: [[TRUNC1:%[0-9]+]]:_(s16) = G_TRUNC [[C1]](s32) |
| ; CHECK: [[ZEXT1:%[0-9]+]]:_(s32) = G_ZEXT [[TRUNC1]](s16) |
| ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[ZEXT]](s16) |
| ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[ANYEXT]], [[ZEXT1]](s32) |
| ; CHECK: [[TRUNC2:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32) |
| ; CHECK: [[ANYEXT1:%[0-9]+]]:_(s32) = G_ANYEXT [[ZEXT]](s16) |
| ; CHECK: [[ANYEXT2:%[0-9]+]]:_(s32) = G_ANYEXT [[TRUNC2]](s16) |
| ; CHECK: [[OR:%[0-9]+]]:_(s32) = G_OR [[ANYEXT1]], [[ANYEXT2]] |
| ; CHECK: [[TRUNC3:%[0-9]+]]:_(s16) = G_TRUNC [[OR]](s32) |
| ; CHECK: [[UV:%[0-9]+]]:_(s8), [[UV1:%[0-9]+]]:_(s8) = G_UNMERGE_VALUES [[TRUNC3]](s16) |
| ; CHECK: [[TRUNC4:%[0-9]+]]:_(s4) = G_TRUNC [[UV]](s8) |
| ; CHECK: [[ANYEXT3:%[0-9]+]]:_(s64) = G_ANYEXT [[TRUNC4]](s4) |
| ; CHECK: [[TRUNC5:%[0-9]+]]:_(s4) = G_TRUNC [[UV1]](s8) |
| ; CHECK: $x0 = COPY [[ANYEXT3]](s64) |
| %0:_(s8) = G_CONSTANT i8 0 |
| %1:_(s4), %2:_(s4)= G_UNMERGE_VALUES %0 |
| %3:_(s64) = G_ANYEXT %1 |
| $x0 = COPY %3 |
| |
| ... |
