| # NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| # RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown- --aarch64postlegalizercombiner-only-enable-rule="select_to_logical" %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 |
| # REQUIRES: asserts |
| --- |
| # 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-NEXT: $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-NEXT: $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-NEXT: $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) |
| ... |
| --- |
| # vector select (false, x, y) -> y |
| name: test_combine_vector_select_false_res0_res1 |
| body: | |
| bb.1: |
| liveins: $q0, $q1 |
| ; CHECK-LABEL: name: test_combine_vector_select_false_res0_res1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q1 |
| ; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>) |
| %0:_(<4 x s32>) = COPY $q0 |
| %1:_(<4 x s32>) = COPY $q1 |
| %2:_(s1) = G_CONSTANT i1 false |
| %condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2 |
| %3:_(<4 x s32>) = G_SELECT %condvec, %0, %1 |
| $q0 = COPY %3(<4 x s32>) |
| ... |
| --- |
| # 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-NEXT: $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) |
| ... |
| --- |
| # vector select (true, x, y) -> x |
| name: test_combine_vector_select_true_res0_res1 |
| body: | |
| bb.1: |
| liveins: $q0, $q1 |
| ; CHECK-LABEL: name: test_combine_vector_select_true_res0_res1 |
| ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 |
| ; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>) |
| %0:_(<4 x s32>) = COPY $q0 |
| %1:_(<4 x s32>) = COPY $q1 |
| %2:_(s1) = G_CONSTANT i1 true |
| %condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2 |
| %3:_(<4 x s32>) = G_SELECT %condvec, %0, %1 |
| $q0 = COPY %3(<4 x s32>) |
| ... |
| --- |
| # select Cond, Cond, F --> or Cond, F |
| name: bool_cond_cond_false |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_cond_false |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: %sel:_(s1) = G_OR %c, %f |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %sel:_(s1) = G_SELECT %c, %c, %f |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |
| --- |
| # select Cond, 1, F --> or Cond, F |
| name: bool_cond_one_false |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_one_false |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: %sel:_(s1) = G_OR %c, %f |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %one:_(s1) = G_CONSTANT i1 1 |
| %sel:_(s1) = G_SELECT %c, %one, %f |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |
| --- |
| # select Cond, 1, F --> or Cond, F |
| name: bool_cond_one_false_vector |
| body: | |
| bb.1: |
| liveins: $d0, $d1, $d2 |
| ; CHECK-LABEL: name: bool_cond_one_false_vector |
| ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d2 |
| ; CHECK-NEXT: %c:_(<2 x s1>) = G_TRUNC [[COPY]](<2 x s32>) |
| ; CHECK-NEXT: %f:_(<2 x s1>) = G_TRUNC [[COPY1]](<2 x s32>) |
| ; CHECK-NEXT: %sel:_(<2 x s1>) = G_OR %c, %f |
| ; CHECK-NEXT: %ext:_(<2 x s32>) = G_ANYEXT %sel(<2 x s1>) |
| ; CHECK-NEXT: $d0 = COPY %ext(<2 x s32>) |
| %0:_(<2 x s32>) = COPY $d0 |
| %1:_(<2 x s32>) = COPY $d1 |
| %2:_(<2 x s32>) = COPY $d2 |
| %c:_(<2 x s1>) = G_TRUNC %0 |
| %t:_(<2 x s1>) = G_TRUNC %1 |
| %f:_(<2 x s1>) = G_TRUNC %2 |
| %one:_(s1) = G_CONSTANT i1 1 |
| %one_vec:_(<2 x s1>) = G_BUILD_VECTOR %one, %one |
| %sel:_(<2 x s1>) = G_SELECT %c, %one_vec, %f |
| %ext:_(<2 x s32>) = G_ANYEXT %sel |
| $d0 = COPY %ext(<2 x s32>) |
| ... |
| --- |
| # select Cond, T, Cond --> and Cond, T |
| name: bool_cond_true_cond |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_true_cond |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: %sel:_(s1) = G_AND %c, %t |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %one:_(s1) = G_CONSTANT i1 1 |
| %sel:_(s1) = G_SELECT %c, %t, %c |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |
| --- |
| # select Cond, T, 0 --> and Cond, T |
| name: bool_cond_true_zero |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_true_zero |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: %sel:_(s1) = G_AND %c, %t |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %zero:_(s1) = G_CONSTANT i1 0 |
| %sel:_(s1) = G_SELECT %c, %t, %zero |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |
| --- |
| # select Cond, T, 1 --> or (not Cond), T |
| name: bool_cond_true_one |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_true_one |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: %one:_(s1) = G_CONSTANT i1 true |
| ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR %c, %one |
| ; CHECK-NEXT: %sel:_(s1) = G_OR [[XOR]], %t |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %one:_(s1) = G_CONSTANT i1 1 |
| %sel:_(s1) = G_SELECT %c, %t, %one |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |
| --- |
| # select Cond, 0, F --> and (not Cond), F |
| name: bool_cond_zero_false |
| body: | |
| bb.1: |
| liveins: $x0, $x1, $x2 |
| ; CHECK-LABEL: name: bool_cond_zero_false |
| ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2 |
| ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64) |
| ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64) |
| ; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true |
| ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR %c, [[C]] |
| ; CHECK-NEXT: %sel:_(s1) = G_AND [[XOR]], %f |
| ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1) |
| ; CHECK-NEXT: $w0 = COPY %ext(s32) |
| %0:_(s64) = COPY $x0 |
| %1:_(s64) = COPY $x1 |
| %2:_(s64) = COPY $x2 |
| %c:_(s1) = G_TRUNC %0 |
| %t:_(s1) = G_TRUNC %1 |
| %f:_(s1) = G_TRUNC %2 |
| %zero:_(s1) = G_CONSTANT i1 0 |
| %sel:_(s1) = G_SELECT %c, %zero, %f |
| %ext:_(s32) = G_ANYEXT %sel |
| $w0 = COPY %ext(s32) |
| ... |