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|
// RUN: %target-swift-frontend -emit-irgen -disable-availability-checking -enable-experimental-feature ValueGenerics -enable-experimental-feature BuiltinModule %s | %FileCheck %s
// REQUIRES: swift_feature_BuiltinModule
// REQUIRES: swift_feature_ValueGenerics
import Builtin
import Swift
// CHECK-LABEL: define{{.*}} @trivial_fixed
sil @trivial_fixed: $@convention(thin) (Builtin.FixedArray<2, Int>) -> (Builtin.FixedArray<2, Int>, Builtin.FixedArray<2, Int>) {
entry(%v : $Builtin.FixedArray<2, Int>):
// CHECK: [[T0:%.*]] = insertvalue {{.*}} undef, {{i[0-9]+}} %0, 0
// CHECK: [[T1:%.*]] = insertvalue {{.*}} [[T0]], {{i[0-9]+}} %1, 1
// CHECK: [[T2:%.*]] = insertvalue {{.*}} [[T1]], {{i[0-9]+}} %0, 2
// CHECK: [[T3:%.*]] = insertvalue {{.*}} [[T2]], {{i[0-9]+}} %1, 3
// CHECK: ret {{.*}} [[T3]]
%r = tuple (%v : $Builtin.FixedArray<2, Int>, %v : $Builtin.FixedArray<2, Int>)
return %r : $(Builtin.FixedArray<2, Int>, Builtin.FixedArray<2, Int>)
}
// CHECK-LABEL: define{{.*}} @loadable_fixed
sil @loadable_fixed: $@convention(thin) (@owned Builtin.FixedArray<2, AnyObject>) -> @owned (Builtin.FixedArray<2, AnyObject>, Builtin.FixedArray<2, AnyObject>) {
entry(%v : $Builtin.FixedArray<2, AnyObject>):
// CHECK: call {{.*}} @swift_{{.*}}etain({{.*}} %0)
// CHECK: call {{.*}} @swift_{{.*}}etain({{.*}} %1)
retain_value %v : $Builtin.FixedArray<2, AnyObject>
// CHECK: [[T0:%.*]] = insertvalue {{.*}} undef, ptr %0, 0
// CHECK: [[T1:%.*]] = insertvalue {{.*}} [[T0]], ptr %1, 1
// CHECK: [[T2:%.*]] = insertvalue {{.*}} [[T1]], ptr %0, 2
// CHECK: [[T3:%.*]] = insertvalue {{.*}} [[T2]], ptr %1, 3
// CHECK: ret {{.*}} [[T3]]
%r = tuple (%v : $Builtin.FixedArray<2, AnyObject>, %v : $Builtin.FixedArray<2, AnyObject>)
return %r : $(Builtin.FixedArray<2, AnyObject>, Builtin.FixedArray<2, AnyObject>)
}
// CHECK-LABEL: define{{.*}} @loadable_fixed_indirect
sil @loadable_fixed_indirect: $@convention(thin) (@in Builtin.FixedArray<420, AnyObject>) -> @out (Builtin.FixedArray<420, AnyObject>, Builtin.FixedArray<420, AnyObject>) {
entry(%r : $*(Builtin.FixedArray<420, AnyObject>, Builtin.FixedArray<420, AnyObject>), %v : $*Builtin.FixedArray<420, AnyObject>):
// CHECK: [[A:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0, {{i[0-9]+}} 0
%a = tuple_element_addr %r : $*(Builtin.FixedArray<420, AnyObject>, Builtin.FixedArray<420, AnyObject>), 0
// CHECK: br label %[[COPY_LOOP_ENTRY:.*]]
// CHECK: [[COPY_LOOP_ENTRY]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ 420, %entry ], [ [[DEC_COUNT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[DEST_ELT:%.*]] = phi ptr [ [[A]], %entry ], [ [[INC_DEST_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT:%.*]] = phi ptr [ %1, %entry ], [ [[INC_SRC_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT0:%.*]] = getelementptr {{.*}} ptr [[SRC_ELT]],
// CHECK: [[SRC_ELT_VAL:%.*]] = load ptr, ptr [[SRC_ELT0]]
// CHECK: call {{.*}} @swift_{{.*}}etain({{.*}} [[SRC_ELT_VAL]])
// CHECK: [[DEST_ELT0:%.*]] = getelementptr {{.*}} ptr [[DEST_ELT]],
// CHECK: store ptr [[SRC_ELT_VAL]], ptr [[DEST_ELT0]]
// CHECK: [[INC_DEST_ELT]] = getelementptr inbounds %AnyObject, ptr [[DEST_ELT]], {{i[0-9]+}} 1
// CHECK: [[INC_SRC_ELT]] = getelementptr inbounds %AnyObject, ptr [[SRC_ELT]], {{i[0-9]+}} 1
// CHECK: [[DEC_COUNT]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[DEC_COUNT]], 0
// CHECK: br i1 [[DONE]], label %[[COPY_LOOP_END:.*]], label %[[COPY_LOOP_ENTRY]]
// CHECK: [[COPY_LOOP_END]]:
copy_addr %v to [init] %a: $*Builtin.FixedArray<420, AnyObject>
// CHECK: [[B:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0, {{i[0-9]+}} 1
%b = tuple_element_addr %r : $*(Builtin.FixedArray<420, AnyObject>, Builtin.FixedArray<420, AnyObject>), 1
// CHECK: br label %[[TAKE_LOOP_ENTRY:.*]]
// CHECK: [[TAKE_LOOP_ENTRY]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ 420, %[[COPY_LOOP_END]] ], [ [[DEC_COUNT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: [[DEST_ELT:%.*]] = phi ptr [ [[B]], %[[COPY_LOOP_END]] ], [ [[INC_DEST_ELT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT:%.*]] = phi ptr [ %1, %[[COPY_LOOP_END]] ], [ [[INC_SRC_ELT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT0:%.*]] = getelementptr {{.*}} ptr [[SRC_ELT]],
// CHECK: [[SRC_ELT_VAL:%.*]] = load ptr, ptr [[SRC_ELT0]]
// CHECK: [[DEST_ELT0:%.*]] = getelementptr {{.*}} ptr [[DEST_ELT]],
// CHECK: store ptr [[SRC_ELT_VAL]], ptr [[DEST_ELT0]]
// CHECK: [[INC_DEST_ELT]] = getelementptr inbounds %AnyObject, ptr [[DEST_ELT]], {{i[0-9]+}} 1
// CHECK: [[INC_SRC_ELT]] = getelementptr inbounds %AnyObject, ptr [[SRC_ELT]], {{i[0-9]+}} 1
// CHECK: [[DEC_COUNT]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[DEC_COUNT]], 0
// CHECK: br i1 [[DONE]], label %[[TAKE_LOOP_END:.*]], label %[[TAKE_LOOP_ENTRY]]
// CHECK: [[TAKE_LOOP_END]]:
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<420, AnyObject>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @loadable_fixed_indirect_to_direct
sil @loadable_fixed_indirect_to_direct: $@convention(thin) (@in Builtin.FixedArray<2, AnyObject>) -> @owned Builtin.FixedArray<2, AnyObject> {
entry(%v : $*Builtin.FixedArray<2, AnyObject>):
// CHECK: [[V0:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0
// CHECK: [[V0_0:%.*]] = getelementptr {{.*}} [[V0]], {{i[0-9]+}} 0, {{i[0-9]+}} 0
// CHECK: [[V0_VALUE:%.*]] = load {{.*}} [[V0_0]], align
// CHECK: [[V1:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 1
// CHECK: [[V1_0:%.*]] = getelementptr {{.*}} [[V1]], {{i[0-9]+}} 0, {{i[0-9]+}} 0
// CHECK: [[V1_VALUE:%.*]] = load {{.*}} [[V1_0]], align
%a = load %v : $*Builtin.FixedArray<2, AnyObject>
// CHECK: [[R0:%.*]] = insertvalue {{.*}} undef, ptr [[V0_VALUE]], 0
// CHECK: [[R1:%.*]] = insertvalue {{.*}} [[R0]], ptr [[V1_VALUE]], 1
// CHECK: ret {{.*}} [[R1]]
return %a : $Builtin.FixedArray<2, AnyObject>
}
// CHECK-LABEL: define{{.*}} @loadable_fixed_direct_to_indirect
sil @loadable_fixed_direct_to_indirect: $@convention(thin) (@owned Builtin.FixedArray<2, AnyObject>) -> @out Builtin.FixedArray<2, AnyObject> {
entry(%r : $*Builtin.FixedArray<2, AnyObject>, %v : $Builtin.FixedArray<2, AnyObject>):
// CHECK: [[R0:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0
// CHECK: [[R0_0:%.*]] = getelementptr {{.*}} [[R0]], {{i[0-9]+}} 0, {{i[0-9]+}} 0
// CHECK: store {{.*}}, ptr [[R0_0]],
// CHECK: [[R1:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 1
// CHECK: [[R1_0:%.*]] = getelementptr {{.*}} [[R1]], {{i[0-9]+}} 0, {{i[0-9]+}} 0
// CHECK: store {{.*}}, ptr [[R1_0]],
store %v to %r : $*Builtin.FixedArray<2, AnyObject>
return undef : $()
}
struct Padded {
var a: Int16
var b: Int8
}
// CHECK-LABEL: define{{.*}} @loadable_padded_fixed_indirect_to_direct
sil @loadable_padded_fixed_indirect_to_direct: $@convention(thin) (@in Builtin.FixedArray<2, Padded>) -> @owned Builtin.FixedArray<2, Padded> {
entry(%v : $*Builtin.FixedArray<2, Padded>):
// ensure the elements are indexed using the byte stride rather than the
// packed struct representation
// CHECK: getelementptr inbounds i8, ptr %0, {{i[0-9]+}} 0
// CHECK: getelementptr inbounds i8, ptr %0, {{i[0-9]+}} 4
%a = load %v : $*Builtin.FixedArray<2, Padded>
return %a : $Builtin.FixedArray<2, Padded>
}
// CHECK-LABEL: define{{.*}} @loadable_padded_fixed_direct_to_indirect
sil @loadable_padded_fixed_direct_to_indirect: $@convention(thin) (@owned Builtin.FixedArray<2, Padded>) -> @out Builtin.FixedArray<2, Padded> {
entry(%r : $*Builtin.FixedArray<2, Padded>, %v : $Builtin.FixedArray<2, Padded>):
// ensure the elements are indexed using the byte stride rather than the
// packed struct representation
// CHECK: getelementptr inbounds i8, ptr %0, {{i[0-9]+}} 0
// CHECK: getelementptr inbounds i8, ptr %0, {{i[0-9]+}} 4
store %v to %r : $*Builtin.FixedArray<2, Padded>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @ao_fixed
sil @ao_fixed: $@convention(thin) (@in Builtin.FixedArray<2, Any>) -> @out (Builtin.FixedArray<2, Any>, Builtin.FixedArray<2, Any>) {
entry(%r : $*(Builtin.FixedArray<2, Any>, Builtin.FixedArray<2, Any>), %v : $*Builtin.FixedArray<2, Any>):
// CHECK: [[A:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0, {{i[0-9]+}} 0
%a = tuple_element_addr %r : $*(Builtin.FixedArray<2, Any>, Builtin.FixedArray<2, Any>), 0
// CHECK: br label %[[COPY_LOOP_ENTRY:.*]]
// CHECK: [[COPY_LOOP_ENTRY]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ 2, %entry ], [ [[DEC_COUNT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[DEST_ELT:%.*]] = phi ptr [ [[A]], %entry ], [ [[INC_DEST_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT:%.*]] = phi ptr [ %1, %entry ], [ [[INC_SRC_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: call ptr @"$sypWOc"(ptr [[SRC_ELT]], ptr [[DEST_ELT]])
// CHECK: [[INC_DEST_ELT]] = getelementptr inbounds %Any, ptr [[DEST_ELT]], {{i[0-9]+}} 1
// CHECK: [[INC_SRC_ELT]] = getelementptr inbounds %Any, ptr [[SRC_ELT]], {{i[0-9]+}} 1
// CHECK: [[DEC_COUNT]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[DEC_COUNT]], 0
// CHECK: br i1 [[DONE]], label %[[COPY_LOOP_END:.*]], label %[[COPY_LOOP_ENTRY]]
// CHECK: [[COPY_LOOP_END]]:
copy_addr %v to [init] %a: $*Builtin.FixedArray<2, Any>
// CHECK: [[B:%.*]] = getelementptr {{.*}} %0, {{i[0-9]+}} 0, {{i[0-9]+}} 1
%b = tuple_element_addr %r : $*(Builtin.FixedArray<2, Any>, Builtin.FixedArray<2, Any>), 1
// CHECK: br label %[[TAKE_LOOP_ENTRY:.*]]
// CHECK: [[TAKE_LOOP_ENTRY]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ 2, %[[COPY_LOOP_END]] ], [ [[DEC_COUNT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: [[DEST_ELT:%.*]] = phi ptr [ [[B]], %[[COPY_LOOP_END]] ], [ [[INC_DEST_ELT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT:%.*]] = phi ptr [ %1, %[[COPY_LOOP_END]] ], [ [[INC_SRC_ELT:%.*]], %[[TAKE_LOOP_ENTRY]] ]
// CHECK: call ptr @"$sypWOb"(ptr [[SRC_ELT]], ptr [[DEST_ELT]])
// CHECK: [[INC_DEST_ELT]] = getelementptr inbounds %Any, ptr [[DEST_ELT]], {{i[0-9]+}} 1
// CHECK: [[INC_SRC_ELT]] = getelementptr inbounds %Any, ptr [[SRC_ELT]], {{i[0-9]+}} 1
// CHECK: [[DEC_COUNT]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[DEC_COUNT]], 0
// CHECK: br i1 [[DONE]], label %[[TAKE_LOOP_END:.*]], label %[[TAKE_LOOP_ENTRY]]
// CHECK: [[TAKE_LOOP_END]]:
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<2, Any>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @dep_fixed
sil @dep_fixed: $@convention(thin) <T>(@in Builtin.FixedArray<2, T>) -> @out (Builtin.FixedArray<2, T>, Builtin.FixedArray<2, T>) {
entry(%r : $*(Builtin.FixedArray<2, T>, Builtin.FixedArray<2, T>), %v : $*Builtin.FixedArray<2, T>):
%a = tuple_element_addr %r : $*(Builtin.FixedArray<2, T>, Builtin.FixedArray<2, T>), 0
// CHECK: br label %[[COPY_LOOP_ENTRY:.*]]
// CHECK: [[COPY_LOOP_ENTRY]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ 2, %entry ], [ [[DEC_COUNT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[DEST_ELT:%.*]] = phi ptr [ %0, %entry ], [ [[INC_DEST_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: [[SRC_ELT:%.*]] = phi ptr [ %1, %entry ], [ [[INC_SRC_ELT:%.*]], %[[COPY_LOOP_ENTRY]] ]
// CHECK: call ptr %InitializeWithCopy(ptr noalias [[DEST_ELT]], ptr noalias [[SRC_ELT]], ptr %T)
// CHECK: [[STRIDE:%.*]] = mul nsw {{i[0-9]+}} 1, %stride
// CHECK: [[INC_DEST_ELT]] = getelementptr inbounds i8, ptr [[DEST_ELT]], {{i[0-9]+}} [[STRIDE]]
// CHECK: [[STRIDE:%.*]] = mul nsw {{i[0-9]+}} 1, %stride
// CHECK: [[INC_SRC_ELT]] = getelementptr inbounds i8, ptr [[SRC_ELT]], {{i[0-9]+}} [[STRIDE]]
// CHECK: [[DEC_COUNT]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[DEC_COUNT]], 0
// CHECK: br i1 [[DONE]], label %[[COPY_LOOP_END:.*]], label %[[COPY_LOOP_ENTRY]]
// CHECK: [[COPY_LOOP_END]]:
copy_addr %v to [init] %a: $*Builtin.FixedArray<2, T>
%b = tuple_element_addr %r : $*(Builtin.FixedArray<2, T>, Builtin.FixedArray<2, T>), 1
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<2, T>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @trivial_dep
sil @trivial_dep: $@convention(thin) <let N: Int>(@in Builtin.FixedArray<N, Int>) -> @out (Builtin.FixedArray<N, Int>, Builtin.FixedArray<N, Int>) {
entry(%r : $*(Builtin.FixedArray<N, Int>, Builtin.FixedArray<N, Int>), %v : $*Builtin.FixedArray<N, Int>):
%a = tuple_element_addr %r : $*(Builtin.FixedArray<N, Int>, Builtin.FixedArray<N, Int>), 0
// CHECK: [[SIZE_NEG:%.*]] = icmp slt {{i[0-9]+}} %N, 0
// CHECK: [[SIZE:%.*]] = select i1 [[SIZE_NEG]], {{i[0-9]+}} 0, {{i[0-9]+}} %N
// CHECK: [[IS_ZERO:%.*]] = icmp eq {{i[0-9]+}} [[SIZE]], 0
// CHECK: br i1 [[IS_ZERO]], label %[[LOOP_END:.*]], label %[[LOOP:.*]]
// CHECK: [[LOOP]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ [[SIZE]], %entry ], [ [[SIZE_DEC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST:%.*]] = phi ptr [ %0, %entry ], [ [[DEST_INC:%.*]], %[[LOOP]] ]
// CHECK: [[SRC:%.*]] = phi ptr [ %1, %entry ], [ [[SRC_INC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST_INC]] = getelementptr inbounds %TSi, ptr [[DEST]], {{i[0-9]+}} 1
// CHECK: [[SRC_INC]] = getelementptr inbounds %TSi, ptr [[SRC]], {{i[0-9]+}} 1
// CHECK: [[SIZE_DEC]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[SIZE_DEC]], 0
// CHECK: br i1 [[DONE]], label %[[LOOP_END]], label %[[LOOP]]
copy_addr %v to [init] %a: $*Builtin.FixedArray<N, Int>
%b = tuple_element_addr %r : $*(Builtin.FixedArray<N, Int>, Builtin.FixedArray<N, Int>), 1
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<N, Int>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @loadable_dep
sil @loadable_dep: $@convention(thin) <let N: Int>(@in Builtin.FixedArray<N, AnyObject>) -> @out (Builtin.FixedArray<N, AnyObject>, Builtin.FixedArray<N, AnyObject>) {
entry(%r : $*(Builtin.FixedArray<N, AnyObject>, Builtin.FixedArray<N, AnyObject>), %v : $*Builtin.FixedArray<N, AnyObject>):
%a = tuple_element_addr %r : $*(Builtin.FixedArray<N, AnyObject>, Builtin.FixedArray<N, AnyObject>), 0
// CHECK: [[SIZE_NEG:%.*]] = icmp slt {{i[0-9]+}} %N, 0
// CHECK: [[SIZE:%.*]] = select i1 [[SIZE_NEG]], {{i[0-9]+}} 0, {{i[0-9]+}} %N
// CHECK: [[IS_ZERO:%.*]] = icmp eq {{i[0-9]+}} [[SIZE]], 0
// CHECK: br i1 [[IS_ZERO]], label %[[LOOP_END:.*]], label %[[LOOP:.*]]
// CHECK: [[LOOP]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ [[SIZE]], %entry ], [ [[SIZE_DEC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST:%.*]] = phi ptr [ %0, %entry ], [ [[DEST_INC:%.*]], %[[LOOP]] ]
// CHECK: [[SRC:%.*]] = phi ptr [ %1, %entry ], [ [[SRC_INC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST_INC]] = getelementptr inbounds %AnyObject, ptr [[DEST]], {{i[0-9]+}} 1
// CHECK: [[SRC_INC]] = getelementptr inbounds %AnyObject, ptr [[SRC]], {{i[0-9]+}} 1
// CHECK: [[SIZE_DEC]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[SIZE_DEC]], 0
// CHECK: br i1 [[DONE]], label %[[LOOP_END]], label %[[LOOP]]
copy_addr %v to [init] %a: $*Builtin.FixedArray<N, AnyObject>
%b = tuple_element_addr %r : $*(Builtin.FixedArray<N, AnyObject>, Builtin.FixedArray<N, AnyObject>), 1
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<N, AnyObject>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @ao_dep
sil @ao_dep: $@convention(thin) <let N: Int>(@in Builtin.FixedArray<N, Any>) -> @out (Builtin.FixedArray<N, Any>, Builtin.FixedArray<N, Any>) {
entry(%r : $*(Builtin.FixedArray<N, Any>, Builtin.FixedArray<N, Any>), %v : $*Builtin.FixedArray<N, Any>):
%a = tuple_element_addr %r : $*(Builtin.FixedArray<N, Any>, Builtin.FixedArray<N, Any>), 0
// CHECK: [[SIZE_NEG:%.*]] = icmp slt {{i[0-9]+}} %N, 0
// CHECK: [[SIZE:%.*]] = select i1 [[SIZE_NEG]], {{i[0-9]+}} 0, {{i[0-9]+}} %N
// CHECK: [[IS_ZERO:%.*]] = icmp eq {{i[0-9]+}} [[SIZE]], 0
// CHECK: br i1 [[IS_ZERO]], label %[[LOOP_END:.*]], label %[[LOOP:.*]]
// CHECK: [[LOOP]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ [[SIZE]], %entry ], [ [[SIZE_DEC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST:%.*]] = phi ptr [ %0, %entry ], [ [[DEST_INC:%.*]], %[[LOOP]] ]
// CHECK: [[SRC:%.*]] = phi ptr [ %1, %entry ], [ [[SRC_INC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST_INC]] = getelementptr inbounds %Any, ptr [[DEST]], {{i[0-9]+}} 1
// CHECK: [[SRC_INC]] = getelementptr inbounds %Any, ptr [[SRC]], {{i[0-9]+}} 1
// CHECK: [[SIZE_DEC]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[SIZE_DEC]], 0
// CHECK: br i1 [[DONE]], label %[[LOOP_END]], label %[[LOOP]]
copy_addr %v to [init] %a: $*Builtin.FixedArray<N, Any>
%b = tuple_element_addr %r : $*(Builtin.FixedArray<N, Any>, Builtin.FixedArray<N, Any>), 1
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<N, Any>
return undef : $()
}
// CHECK-LABEL: define{{.*}} @dep_dep
sil @dep_dep: $@convention(thin) <let N: Int, T>(@in Builtin.FixedArray<N, T>) -> @out (Builtin.FixedArray<N, T>, Builtin.FixedArray<N, T>) {
entry(%r : $*(Builtin.FixedArray<N, T>, Builtin.FixedArray<N, T>), %v : $*Builtin.FixedArray<N, T>):
%a = tuple_element_addr %r : $*(Builtin.FixedArray<N, T>, Builtin.FixedArray<N, T>), 0
// CHECK: [[SIZE_NEG:%.*]] = icmp slt {{i[0-9]+}} %N, 0
// CHECK: [[SIZE:%.*]] = select i1 [[SIZE_NEG]], {{i[0-9]+}} 0, {{i[0-9]+}} %N
// CHECK: [[IS_ZERO:%.*]] = icmp eq {{i[0-9]+}} [[SIZE]], 0
// CHECK: br i1 [[IS_ZERO]], label %[[LOOP_END:.*]], label %[[LOOP:.*]]
// CHECK: [[LOOP]]:
// CHECK: [[COUNT:%.*]] = phi {{i[0-9]+}} [ [[SIZE]], %entry ], [ [[SIZE_DEC:%.*]], %[[LOOP]] ]
// CHECK: [[DEST:%.*]] = phi ptr [ %0, %entry ], [ [[DEST_INC:%.*]], %[[LOOP]] ]
// CHECK: [[SRC:%.*]] = phi ptr [ %1, %entry ], [ [[SRC_INC:%.*]], %[[LOOP]] ]
// CHECK: %stride = load
// CHECK: [[DIST:%.*]] = mul nsw {{i[0-9]+}} 1, %stride
// CHECK: [[DEST_INC]] = getelementptr inbounds i8, ptr [[DEST]], i{{[0-9]+}} [[DIST]]
// CHECK: [[DIST:%.*]] = mul nsw {{i[0-9]+}} 1, %stride
// CHECK: [[SRC_INC]] = getelementptr inbounds i8, ptr [[SRC]], i{{[0-9]+}} [[DIST]]
// CHECK: [[SIZE_DEC]] = sub {{i[0-9]+}} [[COUNT]], 1
// CHECK: [[DONE:%.*]] = icmp eq {{i[0-9]+}} [[SIZE_DEC]], 0
// CHECK: br i1 [[DONE]], label %[[LOOP_END]], label %[[LOOP]]
copy_addr %v to [init] %a: $*Builtin.FixedArray<N, T>
%b = tuple_element_addr %r : $*(Builtin.FixedArray<N, T>, Builtin.FixedArray<N, T>), 1
copy_addr [take] %v to [init] %b: $*Builtin.FixedArray<N, T>
return undef : $()
}
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