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llvm-project/clang/test/CodeGen/windows-swiftcall.c

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// RUN: %clang_cc1 -triple x86_64-unknown-windows -emit-llvm -target-cpu core2 -o - %s | FileCheck %s
#define SWIFTCALL __attribute__((swiftcall))
#define OUT __attribute__((swift_indirect_result))
#define ERROR __attribute__((swift_error_result))
#define CONTEXT __attribute__((swift_context))
// CHECK: [[STRUCT2_RESULT:@.*]] = private {{.*}} constant [[STRUCT2_TYPE:%.*]] { i32 0, i8 0, i8 undef, i8 0, i32 0, i32 0 }
/*****************************************************************************/
/****************************** PARAMETER ABIS *******************************/
/*****************************************************************************/
SWIFTCALL void indirect_result_1(OUT int *arg0, OUT float *arg1) {}
// CHECK-LABEL: define {{.*}} void @indirect_result_1(ptr noalias noundef sret(ptr) align 4 dereferenceable(4){{.*}}, ptr noalias noundef align 4 dereferenceable(4){{.*}})
// TODO: maybe this shouldn't suppress sret.
SWIFTCALL int indirect_result_2(OUT int *arg0, OUT float *arg1) { __builtin_unreachable(); }
// CHECK-LABEL: define {{.*}} i32 @indirect_result_2(ptr noalias noundef align 4 dereferenceable(4){{.*}}, ptr noalias noundef align 4 dereferenceable(4){{.*}})
typedef struct { char array[1024]; } struct_reallybig;
SWIFTCALL struct_reallybig indirect_result_3(OUT int *arg0, OUT float *arg1) { __builtin_unreachable(); }
// CHECK-LABEL: define {{.*}} void @indirect_result_3(ptr noalias sret({{.*}}) {{.*}}, ptr noalias noundef align 4 dereferenceable(4){{.*}}, ptr noalias noundef align 4 dereferenceable(4){{.*}})
SWIFTCALL void context_1(CONTEXT void *self) {}
// CHECK-LABEL: define {{.*}} void @context_1(ptr noundef swiftself
SWIFTCALL void context_2(void *arg0, CONTEXT void *self) {}
// CHECK-LABEL: define {{.*}} void @context_2(ptr{{.*}}, ptr noundef swiftself
SWIFTCALL void context_error_1(CONTEXT int *self, ERROR float **error) {}
// CHECK-LABEL: define {{.*}} void @context_error_1(ptr noundef swiftself{{.*}}, ptr noundef swifterror %0)
// CHECK: [[TEMP:%.*]] = alloca ptr, align 8
// CHECK: [[T0:%.*]] = load ptr, ptr [[ERRORARG:%.*]], align 8
// CHECK: store ptr [[T0]], ptr [[TEMP]], align 8
// CHECK: [[T0:%.*]] = load ptr, ptr [[TEMP]], align 8
// CHECK: store ptr [[T0]], ptr [[ERRORARG]], align 8
void test_context_error_1(void) {
int x;
float *error;
context_error_1(&x, &error);
}
// CHECK-LABEL: define dso_local void @test_context_error_1()
// CHECK: [[X:%.*]] = alloca i32, align 4
// CHECK: [[ERROR:%.*]] = alloca ptr, align 8
// CHECK: [[TEMP:%.*]] = alloca swifterror ptr, align 8
// CHECK: [[T0:%.*]] = load ptr, ptr [[ERROR]], align 8
// CHECK: store ptr [[T0]], ptr [[TEMP]], align 8
// CHECK: call [[SWIFTCC:swiftcc]] void @context_error_1(ptr noundef swiftself [[X]], ptr noundef swifterror [[TEMP]])
// CHECK: [[T0:%.*]] = load ptr, ptr [[TEMP]], align 8
// CHECK: store ptr [[T0]], ptr [[ERROR]], align 8
SWIFTCALL void context_error_2(short s, CONTEXT int *self, ERROR float **error) {}
// CHECK-LABEL: define {{.*}} void @context_error_2(i16{{.*}}, ptr noundef swiftself{{.*}}, ptr noundef swifterror %0)
/*****************************************************************************/
/********************************** LOWERING *********************************/
/*****************************************************************************/
typedef float float4 __attribute__((ext_vector_type(4)));
typedef float float8 __attribute__((ext_vector_type(8)));
typedef double double2 __attribute__((ext_vector_type(2)));
typedef double double4 __attribute__((ext_vector_type(4)));
typedef int int3 __attribute__((ext_vector_type(3)));
typedef int int4 __attribute__((ext_vector_type(4)));
typedef int int5 __attribute__((ext_vector_type(5)));
typedef int int8 __attribute__((ext_vector_type(8)));
#define TEST(TYPE) \
SWIFTCALL TYPE return_##TYPE(void) { \
TYPE result = {}; \
return result; \
} \
SWIFTCALL void take_##TYPE(TYPE v) { \
} \
void test_##TYPE(void) { \
take_##TYPE(return_##TYPE()); \
}
/*****************************************************************************/
/*********************************** STRUCTS *********************************/
/*****************************************************************************/
typedef struct {
} struct_empty;
TEST(struct_empty);
// CHECK-LABEL: define {{.*}} @return_struct_empty()
// CHECK: ret void
// CHECK-LABEL: define {{.*}} @take_struct_empty()
// CHECK: ret void
typedef struct {
int x;
char c0;
char c1;
int f0;
int f1;
} struct_1;
TEST(struct_1);
// CHECK-LABEL: define dso_local swiftcc { i64, i64 } @return_struct_1() {{.*}}{
// CHECK: [[RET:%.*]] = alloca [[STRUCT1:%.*]], align 4
// CHECK: call void @llvm.memset
// CHECK: [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, ptr %retval, i32 0, i32 0
// CHECK: [[T0:%.*]] = load i64, ptr [[GEP0]], align 4
// CHECK: [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, ptr %retval, i32 0, i32 1
// CHECK: [[T1:%.*]] = load i64, ptr [[GEP1]], align 4
// CHECK: [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
// CHECK: [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
// CHECK: ret { i64, i64 } [[R1]]
// CHECK: }
// CHECK-LABEL: define dso_local swiftcc void @take_struct_1(i64 %0, i64 %1) {{.*}}{
// CHECK: [[V:%.*]] = alloca [[STRUCT1:%.*]], align 4
// CHECK: [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[V]], i32 0, i32 0
// CHECK: store i64 %0, ptr [[GEP0]], align 4
// CHECK: [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[V]], i32 0, i32 1
// CHECK: store i64 %1, ptr [[GEP1]], align 4
// CHECK: ret void
// CHECK: }
// CHECK-LABEL: define dso_local void @test_struct_1() {{.*}}{
// CHECK: [[AGG:%.*]] = alloca [[STRUCT1:%.*]], align 4
// CHECK: [[RET:%.*]] = call swiftcc { i64, i64 } @return_struct_1()
// CHECK: [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[E0:%.*]] = extractvalue { i64, i64 } [[RET]], 0
// CHECK: store i64 [[E0]], ptr [[GEP0]], align 4
// CHECK: [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[E1:%.*]] = extractvalue { i64, i64 } [[RET]], 1
// CHECK: store i64 [[E1]], ptr [[GEP1]], align 4
// CHECK: [[GEP2:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[V0:%.*]] = load i64, ptr [[GEP2]], align 4
// CHECK: [[GEP3:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[V1:%.*]] = load i64, ptr [[GEP3]], align 4
// CHECK: call swiftcc void @take_struct_1(i64 [[V0]], i64 [[V1]])
// CHECK: ret void
// CHECK: }
typedef struct {
int x;
char c0;
__attribute__((aligned(2))) char c1;
int f0;
int f1;
} struct_2;
TEST(struct_2);
// CHECK-LABEL: define dso_local swiftcc { i64, i64 } @return_struct_2() {{.*}}{
// CHECK: [[RET:%.*]] = alloca [[STRUCT2_TYPE]], align 4
// CHECK: call void @llvm.memcpy{{.*}}({{.*}}[[RET]], {{.*}}[[STRUCT2_RESULT]]
// CHECK: [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[RET]], i32 0, i32 0
// CHECK: [[T0:%.*]] = load i64, ptr [[GEP0]], align 4
// CHECK: [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[RET]], i32 0, i32 1
// CHECK: [[T1:%.*]] = load i64, ptr [[GEP1]], align 4
// CHECK: [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
// CHECK: [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
// CHECK: ret { i64, i64 } [[R1]]
// CHECK: }
// CHECK-LABEL: define dso_local swiftcc void @take_struct_2(i64 %0, i64 %1) {{.*}}{
// CHECK: [[V:%.*]] = alloca [[STRUCT:%.*]], align 4
// CHECK: [[GEP0:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[V]], i32 0, i32 0
// CHECK: store i64 %0, ptr [[GEP0]], align 4
// CHECK: [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[V]], i32 0, i32 1
// CHECK: store i64 %1, ptr [[GEP1]], align 4
// CHECK: ret void
// CHECK: }
// CHECK-LABEL: define dso_local void @test_struct_2() {{.*}} {
// CHECK: [[TMP:%.*]] = alloca [[STRUCT2_TYPE]], align 4
// CHECK: [[CALL:%.*]] = call swiftcc { i64, i64 } @return_struct_2()
// CHECK: [[GEP:%.*]] = getelementptr inbounds {{.*}} [[TMP]], i32 0, i32 0
// CHECK: [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 0
// CHECK: store i64 [[T0]], ptr [[GEP]], align 4
// CHECK: [[GEP:%.*]] = getelementptr inbounds {{.*}} [[TMP]], i32 0, i32 1
// CHECK: [[T0:%.*]] = extractvalue { i64, i64 } [[CALL]], 1
// CHECK: store i64 [[T0]], ptr [[GEP]], align 4
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[TMP]], i32 0, i32 0
// CHECK: [[R0:%.*]] = load i64, ptr [[GEP]], align 4
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64, i64 }, ptr [[TMP]], i32 0, i32 1
// CHECK: [[R1:%.*]] = load i64, ptr [[GEP]], align 4
// CHECK: call swiftcc void @take_struct_2(i64 [[R0]], i64 [[R1]])
// CHECK: ret void
// CHECK: }
// There's no way to put a field randomly in the middle of an otherwise
// empty storage unit in C, so that case has to be tested in C++, which
// can use empty structs to introduce arbitrary padding. (In C, they end up
// with size 0 and so don't affect layout.)
// Misaligned data rule.
typedef struct {
char c0;
__attribute__((packed)) float f;
} struct_misaligned_1;
TEST(struct_misaligned_1)
// CHECK-LABEL: define dso_local swiftcc i64 @return_struct_misaligned_1()
// CHECK: [[RET:%.*]] = alloca [[STRUCT:%.*]], align 1
// CHECK: call void @llvm.memset{{.*}}(ptr align 1 [[RET]], i8 0, i64 5
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64 }, ptr [[RET]], i32 0, i32 0
// CHECK: [[R0:%.*]] = load i64, ptr [[GEP]], align 1
// CHECK: ret i64 [[R0]]
// CHECK:}
// CHECK-LABEL: define dso_local swiftcc void @take_struct_misaligned_1(i64 %0) {{.*}}{
// CHECK: [[V:%.*]] = alloca [[STRUCT:%.*]], align 1
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64 }, ptr [[V]], i32 0, i32 0
// CHECK: store i64 %0, ptr [[GEP]], align 1
// CHECK: ret void
// CHECK: }
// CHECK: define dso_local void @test_struct_misaligned_1() {{.*}}{
// CHECK: [[AGG:%.*]] = alloca [[STRUCT:%.*]], align 1
// CHECK: [[CALL:%.*]] = call swiftcc i64 @return_struct_misaligned_1()
// CHECK: [[T1:%.*]] = getelementptr inbounds { i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: store i64 [[CALL]], ptr [[T1]], align 1
// CHECK: [[T1:%.*]] = getelementptr inbounds { i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[P:%.*]] = load i64, ptr [[T1]], align 1
// CHECK: call swiftcc void @take_struct_misaligned_1(i64 [[P]])
// CHECK: ret void
// CHECK: }
// Too many scalars.
typedef struct {
long long x[5];
} struct_big_1;
TEST(struct_big_1)
// CHECK-LABEL: define {{.*}} void @return_struct_big_1({{.*}} noalias sret
// Should not be byval.
// CHECK-LABEL: define {{.*}} void @take_struct_big_1(ptr noundef{{( %.*)?}})
/*****************************************************************************/
/********************************* TYPE MERGING ******************************/
/*****************************************************************************/
typedef union {
float f;
double d;
} union_het_fp;
TEST(union_het_fp)
// CHECK-LABEL: define dso_local swiftcc i64 @return_union_het_fp()
// CHECK: [[RET:%.*]] = alloca [[UNION:%.*]], align 8
// CHECK: call void @llvm.memcpy{{.*}}(ptr align {{[0-9]+}} [[RET]]
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64 }, ptr [[RET]], i32 0, i32 0
// CHECK: [[R0:%.*]] = load i64, ptr [[GEP]], align 8
// CHECK: ret i64 [[R0]]
// CHECK-LABEL: define dso_local swiftcc void @take_union_het_fp(i64 %0) {{.*}}{
// CHECK: [[V:%.*]] = alloca [[UNION:%.*]], align 8
// CHECK: [[GEP:%.*]] = getelementptr inbounds { i64 }, ptr [[V]], i32 0, i32 0
// CHECK: store i64 %0, ptr [[GEP]], align 8
// CHECK: ret void
// CHECK: }
// CHECK-LABEL: define dso_local void @test_union_het_fp() {{.*}}{
// CHECK: [[AGG:%.*]] = alloca [[UNION:%.*]], align 8
// CHECK: [[CALL:%.*]] = call swiftcc i64 @return_union_het_fp()
// CHECK: [[T1:%.*]] = getelementptr inbounds { i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: store i64 [[CALL]], ptr [[T1]], align 8
// CHECK: [[T1:%.*]] = getelementptr inbounds { i64 }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[V0:%.*]] = load i64, ptr [[T1]], align 8
// CHECK: call swiftcc void @take_union_het_fp(i64 [[V0]])
// CHECK: ret void
// CHECK: }
typedef union {
float f1;
float f2;
} union_hom_fp;
TEST(union_hom_fp)
// CHECK-LABEL: define dso_local void @test_union_hom_fp()
// CHECK: [[TMP:%.*]] = alloca [[REC:%.*]], align 4
// CHECK: [[CALL:%.*]] = call [[SWIFTCC]] float @return_union_hom_fp()
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG:{ float }]], ptr [[TMP]], i32 0, i32 0
// CHECK: store float [[CALL]], ptr [[T0]], align 4
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP]], i32 0, i32 0
// CHECK: [[FIRST:%.*]] = load float, ptr [[T0]], align 4
// CHECK: call [[SWIFTCC]] void @take_union_hom_fp(float [[FIRST]])
// CHECK: ret void
typedef union {
float f1;
float4 fv2;
} union_hom_fp_partial;
TEST(union_hom_fp_partial)
// CHECK: define dso_local void @test_union_hom_fp_partial()
// CHECK: [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
// CHECK: [[CALL:%.*]] = call swiftcc { float, float, float, float } @return_union_hom_fp_partial()
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 0
// CHECK: store float [[T1]], ptr [[T0]], align 16
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 1
// CHECK: store float [[T1]], ptr [[T0]], align 4
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 2
// CHECK: [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 2
// CHECK: store float [[T1]], ptr [[T0]], align 8
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 3
// CHECK: [[T1:%.*]] = extractvalue { float, float, float, float } [[CALL]], 3
// CHECK: store float [[T1]], ptr [[T0]], align 4
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[V0:%.*]] = load float, ptr [[T0]], align 16
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[V1:%.*]] = load float, ptr [[T0]], align 4
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 2
// CHECK: [[V2:%.*]] = load float, ptr [[T0]], align 8
// CHECK: [[T0:%.*]] = getelementptr inbounds { float, float, float, float }, ptr [[AGG]], i32 0, i32 3
// CHECK: [[V3:%.*]] = load float, ptr [[T0]], align 4
// CHECK: call swiftcc void @take_union_hom_fp_partial(float [[V0]], float [[V1]], float [[V2]], float [[V3]])
// CHECK: ret void
// CHECK: }
typedef union {
struct { int x, y; } f1;
float4 fv2;
} union_het_fpv_partial;
TEST(union_het_fpv_partial)
// CHECK-LABEL: define dso_local void @test_union_het_fpv_partial()
// CHECK: [[AGG:%.*]] = alloca [[UNION:%.*]], align 16
// CHECK: [[CALL:%.*]] = call swiftcc { i64, float, float } @return_union_het_fpv_partial()
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 0
// CHECK: store i64 [[T1]], ptr [[T0]], align 16
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 1
// CHECK: store float [[T1]], ptr [[T0]], align 8
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 2
// CHECK: [[T1:%.*]] = extractvalue { i64, float, float } [[CALL]], 2
// CHECK: store float [[T1]], ptr [[T0]], align 4
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 0
// CHECK: [[V0:%.*]] = load i64, ptr [[T0]], align 16
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 1
// CHECK: [[V1:%.*]] = load float, ptr [[T0]], align 8
// CHECK: [[T0:%.*]] = getelementptr inbounds { i64, float, float }, ptr [[AGG]], i32 0, i32 2
// CHECK: [[V2:%.*]] = load float, ptr [[T0]], align 4
// CHECK: call swiftcc void @take_union_het_fpv_partial(i64 [[V0]], float [[V1]], float [[V2]])
// CHECK: ret void
// CHECK: }
/*****************************************************************************/
/****************************** VECTOR LEGALIZATION **************************/
/*****************************************************************************/
TEST(int4)
// CHECK-LABEL: define {{.*}} <4 x i32> @return_int4()
// CHECK-LABEL: define {{.*}} @take_int4(<4 x i32>
TEST(int8)
// CHECK-LABEL: define {{.*}} @return_int8()
// CHECK: [[RET:%.*]] = alloca [[REC:<8 x i32>]], align 32
// CHECK: [[VAR:%.*]] = alloca [[REC]], align
// CHECK: store
// CHECK: load
// CHECK: store
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG:{ <4 x i32>, <4 x i32> }]], ptr [[RET]], i32 0, i32 0
// CHECK: [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[RET]], i32 0, i32 1
// CHECK: [[SECOND:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] poison, <4 x i32> [[FIRST]], 0
// CHECK: [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
// CHECK: ret [[UAGG]] [[T1]]
// CHECK-LABEL: define {{.*}} @take_int8(<4 x i32> noundef %0, <4 x i32> noundef %1)
// CHECK: [[V:%.*]] = alloca [[REC]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[V]], i32 0, i32 0
// CHECK: store <4 x i32> %0, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[V]], i32 0, i32 1
// CHECK: store <4 x i32> %1, ptr [[T0]], align
// CHECK: ret void
// CHECK-LABEL: define dso_local void @test_int8()
// CHECK: [[TMP1:%.*]] = alloca [[REC]], align
// CHECK: [[TMP2:%.*]] = alloca [[REC]], align
// CHECK: [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int8()
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP1]], i32 0, i32 0
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
// CHECK: store <4 x i32> [[T1]], ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP1]], i32 0, i32 1
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
// CHECK: store <4 x i32> [[T1]], ptr [[T0]], align
// CHECK: [[V:%.*]] = load [[REC]], ptr [[TMP1]], align
// CHECK: store [[REC]] [[V]], ptr [[TMP2]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP2]], i32 0, i32 0
// CHECK: [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP2]], i32 0, i32 1
// CHECK: [[SECOND:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: call [[SWIFTCC]] void @take_int8(<4 x i32> noundef [[FIRST]], <4 x i32> noundef [[SECOND]])
// CHECK: ret void
TEST(int5)
// CHECK-LABEL: define {{.*}} @return_int5()
// CHECK: [[RET:%.*]] = alloca [[REC:<5 x i32>]], align 32
// CHECK: [[VAR:%.*]] = alloca [[REC]], align
// CHECK: store
// CHECK: load
// CHECK: store
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG:{ <4 x i32>, i32 }]], ptr [[RET]], i32 0, i32 0
// CHECK: [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[RET]], i32 0, i32 1
// CHECK: [[SECOND:%.*]] = load i32, ptr [[T0]], align
// CHECK: [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] poison, <4 x i32> [[FIRST]], 0
// CHECK: [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
// CHECK: ret [[UAGG]] [[T1]]
// CHECK-LABEL: define {{.*}} @take_int5(<4 x i32> %0, i32 %1)
// CHECK: [[V:%.*]] = alloca [[REC]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[V]], i32 0, i32 0
// CHECK: store <4 x i32> %0, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[V]], i32 0, i32 1
// CHECK: store i32 %1, ptr [[T0]], align
// CHECK: ret void
// CHECK-LABEL: define dso_local void @test_int5()
// CHECK: [[TMP1:%.*]] = alloca [[REC]], align
// CHECK: [[TMP2:%.*]] = alloca [[REC]], align
// CHECK: [[CALL:%.*]] = call [[SWIFTCC]] [[UAGG]] @return_int5()
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP1]], i32 0, i32 0
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
// CHECK: store <4 x i32> [[T1]], ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP1]], i32 0, i32 1
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
// CHECK: store i32 [[T1]], ptr [[T0]], align
// CHECK: [[V:%.*]] = load [[REC]], ptr [[TMP1]], align
// CHECK: store [[REC]] [[V]], ptr [[TMP2]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP2]], i32 0, i32 0
// CHECK: [[FIRST:%.*]] = load <4 x i32>, ptr [[T0]], align
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], ptr [[TMP2]], i32 0, i32 1
// CHECK: [[SECOND:%.*]] = load i32, ptr [[T0]], align
// CHECK: call [[SWIFTCC]] void @take_int5(<4 x i32> [[FIRST]], i32 [[SECOND]])
// CHECK: ret void
typedef struct {
int x;
int3 v __attribute__((packed));
} misaligned_int3;
TEST(misaligned_int3)
// CHECK-LABEL: define dso_local swiftcc void @take_misaligned_int3(i64 %0, i64 %1)
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