| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -o - -mtriple=aarch64-unknown-unknown -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs %s | FileCheck %s |
| --- |
| name: test_combine_trunc_undef |
| body: | |
| bb.1: |
| ; CHECK-LABEL: name: test_combine_trunc_undef |
| ; CHECK: [[DEF:%[0-9]+]]:_(s32) = G_IMPLICIT_DEF |
| ; CHECK: $w0 = COPY [[DEF]](s32) |
| %0:_(s64) = G_IMPLICIT_DEF |
| %1:_(s32) = G_TRUNC %0(s64) |
| $w0 = COPY %1(s32) |
| ... |
| --- |
| name: test_combine_trunc_undef_vec |
| body: | |
| bb.1: |
| ; CHECK-LABEL: name: test_combine_trunc_undef_vec |
| ; CHECK: [[DEF:%[0-9]+]]:_(<2 x s32>) = G_IMPLICIT_DEF |
| ; CHECK: $x0 = COPY [[DEF]](<2 x s32>) |
| %0:_(<2 x s64>) = G_IMPLICIT_DEF |
| %1:_(<2 x s32>) = G_TRUNC %0(<2 x s64>) |
| $x0 = COPY %1(<2 x s32>) |
| ... |
| --- |
| name: test_combine_trunc_anyext_s32_s16 |
| body: | |
| bb.1: |
| liveins: $h0 |
| ; CHECK-LABEL: name: test_combine_trunc_anyext_s32_s16 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s16) = COPY $h0 |
| ; CHECK: [[ANYEXT:%[0-9]+]]:_(s32) = G_ANYEXT [[COPY]](s16) |
| ; CHECK: $w0 = COPY [[ANYEXT]](s32) |
| %0:_(s16) = COPY $h0 |
| %1:_(s64) = G_ANYEXT %0(s16) |
| %2:_(s32) = G_TRUNC %1(s64) |
| $w0 = COPY %2(s32) |
| ... |
| --- |
| name: test_combine_trunc_anyext_s32_s16_vec |
| body: | |
| bb.1: |
| liveins: $s0 |
| ; CHECK-LABEL: name: test_combine_trunc_anyext_s32_s16_vec |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $s0 |
| ; CHECK: [[ANYEXT:%[0-9]+]]:_(<2 x s32>) = G_ANYEXT [[COPY]](<2 x s16>) |
| ; CHECK: $x0 = COPY [[ANYEXT]](<2 x s32>) |
| %0:_(<2 x s16>) = COPY $s0 |
| %1:_(<2 x s64>) = G_ANYEXT %0(<2 x s16>) |
| %2:_(<2 x s32>) = G_TRUNC %1(<2 x s64>) |
| $x0 = COPY %2(<2 x s32>) |
| ... |
| --- |
| name: test_combine_trunc_sext_s32_s16 |
| body: | |
| bb.1: |
| liveins: $h0 |
| ; CHECK-LABEL: name: test_combine_trunc_sext_s32_s16 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s16) = COPY $h0 |
| ; CHECK: [[SEXT:%[0-9]+]]:_(s32) = G_SEXT [[COPY]](s16) |
| ; CHECK: $w0 = COPY [[SEXT]](s32) |
| %0:_(s16) = COPY $h0 |
| %1:_(s64) = G_SEXT %0(s16) |
| %2:_(s32) = G_TRUNC %1(s64) |
| $w0 = COPY %2(s32) |
| ... |
| --- |
| name: test_combine_trunc_zext_s32_s16 |
| body: | |
| bb.1: |
| liveins: $h0 |
| ; CHECK-LABEL: name: test_combine_trunc_zext_s32_s16 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s16) = COPY $h0 |
| ; CHECK: [[ZEXT:%[0-9]+]]:_(s32) = G_ZEXT [[COPY]](s16) |
| ; CHECK: $w0 = COPY [[ZEXT]](s32) |
| %0:_(s16) = COPY $h0 |
| %1:_(s64) = G_ZEXT %0(s16) |
| %2:_(s32) = G_TRUNC %1(s64) |
| $w0 = COPY %2(s32) |
| ... |
| --- |
| name: test_combine_trunc_anyext_s32_s32 |
| body: | |
| bb.1: |
| liveins: $w0 |
| ; CHECK-LABEL: name: test_combine_trunc_anyext_s32_s32 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 |
| ; CHECK: $w0 = COPY [[COPY]](s32) |
| %0:_(s32) = COPY $w0 |
| %1:_(s64) = G_ANYEXT %0(s32) |
| %2:_(s32) = G_TRUNC %1(s64) |
| $w0 = COPY %2(s32) |
| ... |
| --- |
| name: test_combine_trunc_anyext_s32_s64 |
| body: | |
| bb.1: |
| liveins: $x0 |
| ; CHECK-LABEL: name: test_combine_trunc_anyext_s32_s64 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) |
| ; CHECK: $w0 = COPY [[TRUNC]](s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s128) = G_ANYEXT %0(s64) |
| %2:_(s32) = G_TRUNC %1(s128) |
| $w0 = COPY %2(s32) |
| ... |
| --- |
| name: test_combine_trunc_shl_s32_by_2 |
| body: | |
| bb.1: |
| liveins: $w0 |
| ; CHECK-LABEL: name: test_combine_trunc_shl_s32_by_2 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 2 |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[COPY]](s32) |
| ; CHECK: [[SHL:%[0-9]+]]:_(s16) = G_SHL [[TRUNC]], [[C]](s32) |
| ; CHECK: $h0 = COPY [[SHL]](s16) |
| %0:_(s32) = COPY $w0 |
| %1:_(s32) = G_CONSTANT i32 2 |
| %2:_(s32) = G_SHL %0(s32), %1(s32) |
| %3:_(s16) = G_TRUNC %2(s32) |
| $h0 = COPY %3(s16) |
| ... |
| --- |
| name: test_combine_trunc_shl_s32_by_17 |
| body: | |
| bb.1: |
| liveins: $w0 |
| ; CHECK-LABEL: name: test_combine_trunc_shl_s32_by_17 |
| ; CHECK: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 |
| ; CHECK: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 17 |
| ; CHECK: [[SHL:%[0-9]+]]:_(s32) = G_SHL [[COPY]], [[C]](s32) |
| ; CHECK: [[TRUNC:%[0-9]+]]:_(s16) = G_TRUNC [[SHL]](s32) |
| ; CHECK: $h0 = COPY [[TRUNC]](s16) |
| %0:_(s32) = COPY $w0 |
| %1:_(s32) = G_CONSTANT i32 17 |
| %2:_(s32) = G_SHL %0(s32), %1(s32) |
| %3:_(s16) = G_TRUNC %2(s32) |
| $h0 = COPY %3(s16) |
| ... |