forked from OSchip/llvm-project
126 lines
6.3 KiB
C++
126 lines
6.3 KiB
C++
// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -o - %s -Wno-return-type-c-linkage -std=c++03 | FileCheck %s -check-prefixes=CHECK
|
|
|
|
// This isn't really testing anything ARM-specific; it's just a convenient
|
|
// 32-bit platform.
|
|
|
|
#define SWIFTCALL __attribute__((swiftcall))
|
|
#define OUT __attribute__((swift_indirect_result))
|
|
#define ERROR __attribute__((swift_error_result))
|
|
#define CONTEXT __attribute__((swift_context))
|
|
|
|
/*****************************************************************************/
|
|
/********************************** LOWERING *********************************/
|
|
/*****************************************************************************/
|
|
|
|
#define TEST(TYPE) \
|
|
extern "C" SWIFTCALL TYPE return_##TYPE(void) { \
|
|
TYPE result = {}; \
|
|
return result; \
|
|
} \
|
|
extern "C" SWIFTCALL void take_##TYPE(TYPE v) { \
|
|
} \
|
|
extern "C" void test_##TYPE() { \
|
|
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
|
|
|
|
// This is only properly testable in C++ because it relies on empty structs
|
|
// actually taking up space in a structure without requiring any extra data
|
|
// to be passed.
|
|
typedef struct {
|
|
int x;
|
|
struct_empty padding[2];
|
|
char c1;
|
|
float f0;
|
|
float f1;
|
|
} struct_1;
|
|
TEST(struct_1);
|
|
// CHECK-LABEL: define {{.*}} @return_struct_1()
|
|
// CHECK: [[RET:%.*]] = alloca [[REC:%.*]], align 4
|
|
// CHECK: @llvm.memset
|
|
// CHECK: [[CAST_TMP:%.*]] = bitcast [[REC]]* [[RET]] to [[AGG:{ i32, \[2 x i8\], i8, \[1 x i8\], float, float }]]*
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
|
|
// CHECK: [[FIRST:%.*]] = load i32, i32* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 2
|
|
// CHECK: [[SECOND:%.*]] = load i8, i8* [[T0]], align 2
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 4
|
|
// CHECK: [[THIRD:%.*]] = load float, float* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 5
|
|
// CHECK: [[FOURTH:%.*]] = load float, float* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = insertvalue [[UAGG:{ i32, i8, float, float }]] undef, i32 [[FIRST]], 0
|
|
// CHECK: [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i8 [[SECOND]], 1
|
|
// CHECK: [[T2:%.*]] = insertvalue [[UAGG]] [[T1]], float [[THIRD]], 2
|
|
// CHECK: [[T3:%.*]] = insertvalue [[UAGG]] [[T2]], float [[FOURTH]], 3
|
|
// CHECK: ret [[UAGG]] [[T3]]
|
|
// CHECK-LABEL: define {{.*}} @take_struct_1(i32 %0, i8 %1, float %2, float %3)
|
|
// CHECK: [[V:%.*]] = alloca [[REC]], align 4
|
|
// CHECK: [[CAST_TMP:%.*]] = bitcast [[REC]]* [[V]] to [[AGG]]*
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
|
|
// CHECK: store i32 %0, i32* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 2
|
|
// CHECK: store i8 %1, i8* [[T0]], align 2
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 4
|
|
// CHECK: store float %2, float* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 5
|
|
// CHECK: store float %3, float* [[T0]], align 4
|
|
// CHECK: ret void
|
|
// CHECK-LABEL: define{{.*}} void @test_struct_1()
|
|
// CHECK: [[TMP:%.*]] = alloca [[REC]], align 4
|
|
// CHECK: [[CALL:%.*]] = call [[SWIFTCC:swiftcc]] [[UAGG]] @return_struct_1()
|
|
// CHECK: [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP]] to [[AGG]]*
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
|
|
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0
|
|
// CHECK: store i32 [[T1]], i32* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 2
|
|
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1
|
|
// CHECK: store i8 [[T1]], i8* [[T0]], align 2
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 4
|
|
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 2
|
|
// CHECK: store float [[T1]], float* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 5
|
|
// CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 3
|
|
// CHECK: store float [[T1]], float* [[T0]], align 4
|
|
// CHECK: [[CAST_TMP:%.*]] = bitcast [[REC]]* [[TMP]] to [[AGG]]*
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 0
|
|
// CHECK: [[FIRST:%.*]] = load i32, i32* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 2
|
|
// CHECK: [[SECOND:%.*]] = load i8, i8* [[T0]], align 2
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 4
|
|
// CHECK: [[THIRD:%.*]] = load float, float* [[T0]], align 4
|
|
// CHECK: [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 5
|
|
// CHECK: [[FOURTH:%.*]] = load float, float* [[T0]], align 4
|
|
// CHECK: call [[SWIFTCC]] void @take_struct_1(i32 [[FIRST]], i8 [[SECOND]], float [[THIRD]], float [[FOURTH]])
|
|
// CHECK: ret void
|
|
|
|
struct struct_indirect_1 {
|
|
int x;
|
|
~struct_indirect_1();
|
|
};
|
|
TEST(struct_indirect_1)
|
|
|
|
// CHECK-LABEL: define {{.*}} void @return_struct_indirect_1({{.*}} noalias sret
|
|
|
|
// Should not be byval.
|
|
// CHECK-LABEL: define {{.*}} void @take_struct_indirect_1({{.*}}* noundef{{( %.*)?}})
|
|
|
|
// Do a simple standalone test here of a function definition to ensure that
|
|
// we don't have problems due to failure to eagerly synthesize a copy
|
|
// constructor declaration.
|
|
class struct_trivial {
|
|
int x;
|
|
};
|
|
// CHECK-LABEL: define{{.*}} swiftcc void @test_struct_trivial(i32{{( %.*)?}})
|
|
extern "C" SWIFTCALL
|
|
void test_struct_trivial(struct_trivial triv) {}
|