| // 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({{.*}}*{{( %.*)?}}) |
| |
| // 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) {} |