# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner %s -o - | FileCheck %s --- name: sub_minus_one body: | bb.0: liveins: $w0, $w1 ; CHECK-LABEL: name: sub_minus_one ; CHECK: liveins: $w0, $w1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %a:_(s64) = COPY $x0 ; CHECK-NEXT: %c1:_(s64) = G_CONSTANT i64 -1 ; CHECK-NEXT: %sub:_(s64) = G_XOR %a, %c1 ; CHECK-NEXT: $x0 = COPY %sub(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %a:_(s64) = COPY $x0 %c1:_(s64) = G_CONSTANT i64 -1 %sub:_(s64) = G_SUB %c1, %a $x0 = COPY %sub RET_ReallyLR implicit $x0 ... --- name: sub_minus_one_vector body: | bb.0: liveins: $x0, $x1 ; CHECK-LABEL: name: sub_minus_one_vector ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %a:_(<4 x s16>) = COPY $x0 ; CHECK-NEXT: %neg_one:_(s16) = G_CONSTANT i16 -1 ; CHECK-NEXT: %c1:_(<4 x s16>) = G_BUILD_VECTOR %neg_one(s16), %neg_one(s16), %neg_one(s16), %neg_one(s16) ; CHECK-NEXT: %sub:_(<4 x s16>) = G_XOR %a, %c1 ; CHECK-NEXT: $x0 = COPY %sub(<4 x s16>) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %a:_(<4 x s16>) = COPY $x0 %neg_one:_(s16) = G_CONSTANT i16 -1 %c1:_(<4 x s16>) = G_BUILD_VECTOR %neg_one(s16), %neg_one(s16), %neg_one(s16), %neg_one(s16) %sub:_(<4 x s16>) = G_SUB %c1, %a $x0 = COPY %sub RET_ReallyLR implicit $x0 ... --- name: sub_one_from_sub body: | bb.1: liveins: $w0, $w1 ; CHECK-LABEL: name: sub_one_from_sub ; CHECK: liveins: $w0, $w1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1 ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s32) = G_XOR [[COPY1]], [[C]] ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[XOR]], [[COPY]] ; CHECK-NEXT: $w0 = COPY [[ADD]](s32) %0:_(s32) = COPY $w0 %1:_(s32) = COPY $w1 %cst:_(s32) = G_CONSTANT i32 1 %2:_(s32) = G_SUB %0, %1 %3:_(s32) = G_SUB %2, %cst $w0 = COPY %3(s32) ... --- name: sub_one_from_sub_vec body: | bb.1: liveins: $x0, $x1 ; CHECK-LABEL: name: sub_one_from_sub_vec ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $x1 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s16) = G_CONSTANT i16 -1 ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<4 x s16>) = G_BUILD_VECTOR [[C]](s16), [[C]](s16), [[C]](s16), [[C]](s16) ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(<4 x s16>) = G_XOR [[COPY1]], [[BUILD_VECTOR]] ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(<4 x s16>) = G_ADD [[XOR]], [[COPY]] ; CHECK-NEXT: $x0 = COPY [[ADD]](<4 x s16>) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %0:_(<4 x s16>) = COPY $x0 %1:_(<4 x s16>) = COPY $x1 %c1:_(s16) = G_CONSTANT i16 1 %cst:_(<4 x s16>) = G_BUILD_VECTOR %c1(s16), %c1(s16), %c1(s16), %c1(s16) %2:_(<4 x s16>) = G_SUB %0, %1 %3:_(<4 x s16>) = G_SUB %2, %cst $x0 = COPY %3 RET_ReallyLR implicit $x0 ... --- name: sub_one_from_sub_one_use body: | bb.1: liveins: $w0, $w1 ; CHECK-LABEL: name: sub_one_from_sub_one_use ; CHECK: liveins: $w0, $w1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 ; CHECK-NEXT: [[SUB:%[0-9]+]]:_(s32) = G_SUB [[COPY]], [[COPY1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 -1 ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[SUB]], [[C]] ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[SUB]], [[ADD]] ; CHECK-NEXT: $w0 = COPY [[MUL]](s32) %0:_(s32) = COPY $w0 %1:_(s32) = COPY $w1 %cst:_(s32) = G_CONSTANT i32 1 %2:_(s32) = G_SUB %0, %1 %3:_(s32) = G_SUB %2, %cst %4:_(s32) = G_MUL %2, %3 $w0 = COPY %4(s32)