# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s # Combins: (Opc (Opc X, C1), C2) -> (Opc X, (Opc C1, C2)) --- name: test1_add_move_inner_cst_to_fold alignment: 4 tracksRegLiveness: true liveins: - { reg: '$x0' } body: | bb.1: liveins: $x0 ; CHECK-LABEL: name: test1_add_move_inner_cst_to_fold ; CHECK: liveins: $x0 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:_(s64) = COPY $x0 ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 88 ; CHECK-NEXT: %add_outer:_(s64) = G_ADD %x, [[C]] ; CHECK-NEXT: $x0 = COPY %add_outer(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %x:_(s64) = COPY $x0 %C1:_(s64) = G_CONSTANT i64 64 %C2:_(s64) = G_CONSTANT i64 24 %add_inner:_(s64) = G_ADD %x, %C1 %add_outer:_(s64) = G_ADD %add_inner, %C2 $x0 = COPY %add_outer RET_ReallyLR implicit $x0 ... # (op (op x, c1), y) -> (op (op x, y), c1) --- name: test2_add_move_inner_cst_to_rhs alignment: 4 tracksRegLiveness: true liveins: - { reg: '$x0' } body: | bb.1: liveins: $x0, $x1 ; CHECK-LABEL: name: test2_add_move_inner_cst_to_rhs ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:_(s64) = COPY $x0 ; CHECK-NEXT: %C1:_(s64) = G_CONSTANT i64 64 ; CHECK-NEXT: %y:_(s64) = COPY $x1 ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s64) = G_ADD %x, %y ; CHECK-NEXT: %add_outer:_(s64) = G_ADD [[ADD]], %C1 ; CHECK-NEXT: $x0 = COPY %add_outer(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %x:_(s64) = COPY $x0 %C1:_(s64) = G_CONSTANT i64 64 %y:_(s64) = COPY $x1 %add_inner:_(s64) = G_ADD %x, %C1 %add_outer:_(s64) = G_ADD %add_inner, %y $x0 = COPY %add_outer RET_ReallyLR implicit $x0 ... --- name: test2_add_move_inner_cst_to_rhs_multiuse alignment: 4 tracksRegLiveness: true liveins: - { reg: '$x0' } body: | bb.1: liveins: $x0, $x1 ; CHECK-LABEL: name: test2_add_move_inner_cst_to_rhs_multiuse ; CHECK: liveins: $x0, $x1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:_(s64) = COPY $x0 ; CHECK-NEXT: %C1:_(s64) = G_CONSTANT i64 64 ; CHECK-NEXT: %y:_(s64) = COPY $x1 ; CHECK-NEXT: %add_inner:_(s64) = G_ADD %x, %C1 ; CHECK-NEXT: %add_outer:_(s64) = G_ADD %add_inner, %y ; CHECK-NEXT: $x0 = COPY %add_outer(s64) ; CHECK-NEXT: $x1 = COPY %add_inner(s64) ; CHECK-NEXT: RET_ReallyLR implicit $x0 %x:_(s64) = COPY $x0 %C1:_(s64) = G_CONSTANT i64 64 %y:_(s64) = COPY $x1 %add_inner:_(s64) = G_ADD %x, %C1 %add_outer:_(s64) = G_ADD %add_inner, %y $x0 = COPY %add_outer $x1 = COPY %add_inner RET_ReallyLR implicit $x0 ... --- name: test2_add_move_inner_cst_to_rhs_vector alignment: 4 tracksRegLiveness: true liveins: - { reg: '$x0' } body: | bb.1: liveins: $q0, $q1 ; CHECK-LABEL: name: test2_add_move_inner_cst_to_rhs_vector ; CHECK: liveins: $q0, $q1 ; CHECK-NEXT: {{ $}} ; CHECK-NEXT: %x:_(<2 x s64>) = COPY $q0 ; CHECK-NEXT: %C1:_(s64) = G_CONSTANT i64 64 ; CHECK-NEXT: %VEC_C1:_(<2 x s64>) = G_BUILD_VECTOR %C1(s64), %C1(s64) ; CHECK-NEXT: %y:_(<2 x s64>) = COPY $q1 ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(<2 x s64>) = G_ADD %x, %y ; CHECK-NEXT: %add_outer:_(<2 x s64>) = G_ADD [[ADD]], %VEC_C1 ; CHECK-NEXT: $q0 = COPY %add_outer(<2 x s64>) ; CHECK-NEXT: RET_ReallyLR implicit $q0 %x:_(<2 x s64>) = COPY $q0 %C1:_(s64) = G_CONSTANT i64 64 %VEC_C1:_(<2 x s64>) = G_BUILD_VECTOR %C1, %C1 %y:_(<2 x s64>) = COPY $q1 %add_inner:_(<2 x s64>) = G_ADD %x, %VEC_C1 %add_outer:_(<2 x s64>) = G_ADD %add_inner, %y $q0 = COPY %add_outer RET_ReallyLR implicit $q0 ...