# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple=aarch64 -run-pass=legalizer -global-isel-abort=1 %s -o - | FileCheck %s --- name: test_scalar_mul_small body: | bb.0.entry: ; CHECK-LABEL: name: test_scalar_mul_small ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[COPY]](s64) ; CHECK-NEXT: [[TRUNC1:%[0-9]+]]:_(s32) = G_TRUNC [[COPY1]](s64) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s32) = G_MUL [[TRUNC]], [[TRUNC1]] ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[MUL]](s32) ; CHECK-NEXT: $x0 = COPY [[ANYEXT]](s64) %0:_(s64) = COPY $x0 %1:_(s64) = COPY $x1 %2:_(s8) = G_TRUNC %0(s64) %3:_(s8) = G_TRUNC %1(s64) %4:_(s8) = G_MUL %2, %3 %5:_(s64) = G_ANYEXT %4(s8) $x0 = COPY %5(s64) ... --- name: test_smul_overflow body: | bb.0: ; CHECK-LABEL: name: test_smul_overflow ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK-NEXT: [[SMULH:%[0-9]+]]:_(s64) = G_SMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[COPY1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 63 ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[MUL]], [[C]](s64) ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[SMULH]](s64), [[ASHR]] ; CHECK-NEXT: $x0 = COPY [[MUL]](s64) ; CHECK-NEXT: $w0 = COPY [[ICMP]](s32) %0:_(s64) = COPY $x0 %1:_(s64) = COPY $x1 %2:_(s64), %3:_(s1) = G_SMULO %0, %1 $x0 = COPY %2(s64) %4:_(s32) = G_ANYEXT %3(s1) $w0 = COPY %4(s32) ... --- name: test_umul_overflow body: | bb.0: ; CHECK-LABEL: name: test_umul_overflow ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK-NEXT: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[COPY]], [[COPY1]] ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[UMULH]](s64), [[C]] ; CHECK-NEXT: $x0 = COPY [[MUL]](s64) ; CHECK-NEXT: $w0 = COPY [[ICMP]](s32) %0:_(s64) = COPY $x0 %1:_(s64) = COPY $x1 %2:_(s64), %3:_(s1) = G_UMULO %0, %1 $x0 = COPY %2(s64) %4:_(s32) = G_ANYEXT %3(s1) $w0 = COPY %4(s32) ... --- name: test_smul_overflow_s32 body: | bb.0: ; CHECK-LABEL: name: test_smul_overflow_s32 ; CHECK: %lhs:_(s32) = COPY $w0 ; CHECK-NEXT: %rhs:_(s32) = COPY $w1 ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT %lhs(s32) ; CHECK-NEXT: [[SEXT1:%[0-9]+]]:_(s64) = G_SEXT %rhs(s32) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[SEXT1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[MUL]], [[C]](s64) ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[ASHR]](s64) ; CHECK-NEXT: %mul:_(s32) = G_MUL %lhs, %rhs ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 31 ; CHECK-NEXT: [[ASHR1:%[0-9]+]]:_(s32) = G_ASHR %mul, [[C1]](s64) ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[TRUNC]](s32), [[ASHR1]] ; CHECK-NEXT: $w0 = COPY %mul(s32) ; CHECK-NEXT: $w0 = COPY [[ICMP]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 %lhs:_(s32) = COPY $w0 %rhs:_(s32) = COPY $w1 %mul:_(s32), %overflow:_(s1) = G_SMULO %lhs, %rhs $w0 = COPY %mul(s32) %ext_overflow:_(s32) = G_ANYEXT %overflow(s1) $w0 = COPY %ext_overflow(s32) RET_ReallyLR implicit $w0 ... --- name: test_umul_overflow_s32 body: | bb.0: ; CHECK-LABEL: name: test_umul_overflow_s32 ; CHECK: %lhs:_(s32) = COPY $w0 ; CHECK-NEXT: %rhs:_(s32) = COPY $w1 ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT %lhs(s32) ; CHECK-NEXT: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT %rhs(s32) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[ZEXT]], [[ZEXT1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[MUL]], [[C]](s64) ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64) ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: %mul:_(s32) = G_MUL %lhs, %rhs ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[TRUNC]](s32), [[C1]] ; CHECK-NEXT: $w0 = COPY %mul(s32) ; CHECK-NEXT: $w0 = COPY [[ICMP]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 %lhs:_(s32) = COPY $w0 %rhs:_(s32) = COPY $w1 %mul:_(s32), %overflow:_(s1) = G_UMULO %lhs, %rhs $w0 = COPY %mul(s32) %ext_overflow:_(s32) = G_ANYEXT %overflow(s1) $w0 = COPY %ext_overflow(s32) RET_ReallyLR implicit $w0 ... --- name: test_umul_overflow_s24 body: | bb.0: ; CHECK-LABEL: name: test_umul_overflow_s24 ; CHECK: %lhs_wide:_(s32) = COPY $w0 ; CHECK-NEXT: %rhs_wide:_(s32) = COPY $w1 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 16777215 ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s32) = G_AND %lhs_wide, [[C]] ; CHECK-NEXT: [[AND1:%[0-9]+]]:_(s32) = G_AND %rhs_wide, [[C]] ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 16777215 ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT %lhs_wide(s32) ; CHECK-NEXT: [[AND2:%[0-9]+]]:_(s64) = G_AND [[ANYEXT]], [[C1]] ; CHECK-NEXT: [[ANYEXT1:%[0-9]+]]:_(s64) = G_ANYEXT %rhs_wide(s32) ; CHECK-NEXT: [[AND3:%[0-9]+]]:_(s64) = G_AND [[ANYEXT1]], [[C1]] ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[AND2]], [[AND3]] ; CHECK-NEXT: [[C2:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[MUL]], [[C2]](s64) ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[LSHR]](s64) ; CHECK-NEXT: [[C3:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s32) = G_MUL [[AND]], [[AND1]] ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[TRUNC]](s32), [[C3]] ; CHECK-NEXT: [[AND4:%[0-9]+]]:_(s32) = G_AND [[MUL1]], [[C]] ; CHECK-NEXT: [[ICMP1:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[MUL1]](s32), [[AND4]] ; CHECK-NEXT: [[OR:%[0-9]+]]:_(s32) = G_OR [[ICMP]], [[ICMP1]] ; CHECK-NEXT: $w0 = COPY [[MUL1]](s32) ; CHECK-NEXT: $w0 = COPY [[OR]](s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 %lhs_wide:_(s32) = COPY $w0 %rhs_wide:_(s32) = COPY $w1 %lhs:_(s24) = G_TRUNC %lhs_wide %rhs:_(s24) = G_TRUNC %rhs_wide %mul:_(s24), %overflow:_(s1) = G_UMULO %lhs, %rhs %ext_mul:_(s32) = G_ANYEXT %mul $w0 = COPY %ext_mul(s32) %ext_overflow:_(s32) = G_ANYEXT %overflow(s1) $w0 = COPY %ext_overflow(s32) RET_ReallyLR implicit $w0 ... --- name: vector_mul_scalarize liveins: - { reg: '$q0' } - { reg: '$q1' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: vector_mul_scalarize ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $q1 ; CHECK-NEXT: [[UV:%[0-9]+]]:_(s64), [[UV1:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY]](<2 x s64>) ; CHECK-NEXT: [[UV2:%[0-9]+]]:_(s64), [[UV3:%[0-9]+]]:_(s64) = G_UNMERGE_VALUES [[COPY1]](<2 x s64>) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[UV]], [[UV2]] ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[UV1]], [[UV3]] ; CHECK-NEXT: [[BUILD_VECTOR:%[0-9]+]]:_(<2 x s64>) = G_BUILD_VECTOR [[MUL]](s64), [[MUL1]](s64) ; CHECK-NEXT: $q0 = COPY [[BUILD_VECTOR]](<2 x s64>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<2 x s64>) = COPY $q0 %1:_(<2 x s64>) = COPY $q1 %2:_(<2 x s64>) = G_MUL %0, %1 $q0 = COPY %2(<2 x s64>) RET_ReallyLR implicit $q0 ... --- name: test_umulo_overflow_no_invalid_mir alignment: 4 tracksRegLiveness: true liveins: - { reg: '$x0' } - { reg: '$x1' } - { reg: '$x2' } frameInfo: maxAlignment: 16 stack: - { id: 0, size: 8, alignment: 8 } - { id: 1, size: 8, alignment: 8 } - { id: 2, size: 16, alignment: 16 } - { id: 3, size: 16, alignment: 8 } machineFunctionInfo: {} body: | bb.1: liveins: $x0, $x1, $x2 ; Check that the overflow result doesn't generate incorrect MIR by using a G_CONSTANT 0 ; before it's been defined. ; CHECK-LABEL: name: test_umulo_overflow_no_invalid_mir ; CHECK: liveins: $x0, $x1, $x2 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1 ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(s64) = COPY $x2 ; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0 ; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1 ; CHECK-NEXT: [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.3 ; CHECK-NEXT: G_STORE [[COPY2]](s64), [[FRAME_INDEX]](p0) :: (store (s64)) ; CHECK-NEXT: G_STORE [[COPY1]](s64), [[FRAME_INDEX1]](p0) :: (store (s64)) ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX]](p0) :: (dereferenceable load (s64)) ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s64) = G_LOAD [[FRAME_INDEX1]](p0) :: (dereferenceable load (s64)) ; CHECK-NEXT: [[UMULH:%[0-9]+]]:_(s64) = G_UMULH [[LOAD]], [[LOAD1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 0 ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[LOAD]], [[LOAD1]] ; CHECK-NEXT: [[ICMP:%[0-9]+]]:_(s32) = G_ICMP intpred(ne), [[UMULH]](s64), [[C]] ; CHECK-NEXT: G_STORE [[C]](s64), [[FRAME_INDEX2]](p0) :: (store (s64), align 1) ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 1 ; CHECK-NEXT: [[ANYEXT:%[0-9]+]]:_(s64) = G_ANYEXT [[ICMP]](s32) ; CHECK-NEXT: [[AND:%[0-9]+]]:_(s64) = G_AND [[ANYEXT]], [[C1]] ; CHECK-NEXT: $x0 = COPY [[MUL]](s64) ; CHECK-NEXT: $x1 = COPY [[AND]](s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %0:_(p0) = COPY $x0 %1:_(s64) = COPY $x1 %2:_(s64) = COPY $x2 %25:_(s32) = G_CONSTANT i32 0 %3:_(p0) = G_FRAME_INDEX %stack.0 %4:_(p0) = G_FRAME_INDEX %stack.1 %6:_(p0) = G_FRAME_INDEX %stack.3 G_STORE %2(s64), %3(p0) :: (store (s64)) G_STORE %1(s64), %4(p0) :: (store (s64)) %7:_(s64) = G_LOAD %3(p0) :: (dereferenceable load (s64)) %8:_(s64) = G_LOAD %4(p0) :: (dereferenceable load (s64)) %9:_(s64), %10:_(s1) = G_UMULO %7, %8 %31:_(s64) = G_CONSTANT i64 0 G_STORE %31(s64), %6(p0) :: (store (s64), align 1) %16:_(s64) = G_ZEXT %10(s1) $x0 = COPY %9(s64) $x1 = COPY %16(s64) RET_ReallyLR implicit $x0 ... --- name: umulh_s32 exposesReturnsTwice: false tracksRegLiveness: true body: | bb.1: liveins: $w0, $w1 ; CHECK-LABEL: name: umulh_s32 ; CHECK: liveins: $w0, $w1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 ; CHECK-NEXT: [[ZEXT:%[0-9]+]]:_(s64) = G_ZEXT [[COPY]](s32) ; CHECK-NEXT: [[ZEXT1:%[0-9]+]]:_(s64) = G_ZEXT [[COPY1]](s32) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[ZEXT]], [[ZEXT1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK-NEXT: [[LSHR:%[0-9]+]]:_(s64) = G_LSHR [[MUL]], [[C]](s64) ; CHECK-NEXT: %mul:_(s32) = G_TRUNC [[LSHR]](s64) ; CHECK-NEXT: $w0 = COPY %mul(s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 %0:_(s32) = COPY $w0 %1:_(s32) = COPY $w1 %mul:_(s32) = G_UMULH %0, %1 $w0 = COPY %mul(s32) RET_ReallyLR implicit $w0 ... --- name: smulh_s32 exposesReturnsTwice: false tracksRegLiveness: true body: | bb.1: liveins: $w0, $w1 ; CHECK-LABEL: name: smulh_s32 ; CHECK: liveins: $w0, $w1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(s32) = COPY $w0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1 ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY]](s32) ; CHECK-NEXT: [[SEXT1:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32) ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[SEXT1]] ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 32 ; CHECK-NEXT: [[ASHR:%[0-9]+]]:_(s64) = G_ASHR [[MUL]], [[C]](s64) ; CHECK-NEXT: %mul:_(s32) = G_TRUNC [[ASHR]](s64) ; CHECK-NEXT: $w0 = COPY %mul(s32) ; CHECK-NEXT: RET_ReallyLR implicit $w0 %0:_(s32) = COPY $w0 %1:_(s32) = COPY $w1 %mul:_(s32) = G_SMULH %0, %1 $w0 = COPY %mul(s32) RET_ReallyLR implicit $w0 ... --- name: umulh_v8s16 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: umulh_v8s16 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<8 x s16>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $q1 ; CHECK-NEXT: %mul:_(<8 x s16>) = G_UMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<8 x s16>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<8 x s16>) = COPY $q0 %1:_(<8 x s16>) = COPY $q1 %mul:_(<8 x s16>) = G_UMULH %0, %1 $q0 = COPY %mul(<8 x s16>) RET_ReallyLR implicit $q0 ... --- name: umulh_v16s8 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: umulh_v16s8 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<16 x s8>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<16 x s8>) = COPY $q1 ; CHECK-NEXT: %mul:_(<16 x s8>) = G_UMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<16 x s8>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<16 x s8>) = COPY $q0 %1:_(<16 x s8>) = COPY $q1 %mul:_(<16 x s8>) = G_UMULH %0, %1 $q0 = COPY %mul(<16 x s8>) RET_ReallyLR implicit $q0 ... --- name: umulh_v4s32 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: umulh_v4s32 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1 ; CHECK-NEXT: %mul:_(<4 x s32>) = G_UMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<4 x s32>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<4 x s32>) = COPY $q0 %1:_(<4 x s32>) = COPY $q1 %mul:_(<4 x s32>) = G_UMULH %0, %1 $q0 = COPY %mul(<4 x s32>) RET_ReallyLR implicit $q0 ... --- name: smulh_v8s16 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: smulh_v8s16 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<8 x s16>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<8 x s16>) = COPY $q1 ; CHECK-NEXT: %mul:_(<8 x s16>) = G_SMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<8 x s16>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<8 x s16>) = COPY $q0 %1:_(<8 x s16>) = COPY $q1 %mul:_(<8 x s16>) = G_SMULH %0, %1 $q0 = COPY %mul(<8 x s16>) RET_ReallyLR implicit $q0 ... --- name: smulh_v16s8 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: smulh_v16s8 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<16 x s8>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<16 x s8>) = COPY $q1 ; CHECK-NEXT: %mul:_(<16 x s8>) = G_SMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<16 x s8>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<16 x s8>) = COPY $q0 %1:_(<16 x s8>) = COPY $q1 %mul:_(<16 x s8>) = G_SMULH %0, %1 $q0 = COPY %mul(<16 x s8>) RET_ReallyLR implicit $q0 ... --- name: smulh_v4s32 exposesReturnsTwice: false tracksRegLiveness: true liveins: - { reg: '$q0', virtual-reg: '' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: smulh_v4s32 ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0 ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $q1 ; CHECK-NEXT: %mul:_(<4 x s32>) = G_SMULH [[COPY]], [[COPY1]] ; CHECK-NEXT: $q0 = COPY %mul(<4 x s32>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %0:_(<4 x s32>) = COPY $q0 %1:_(<4 x s32>) = COPY $q1 %mul:_(<4 x s32>) = G_SMULH %0, %1 $q0 = COPY %mul(<4 x s32>) RET_ReallyLR implicit $q0 ...