1 // RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -o - %s -Wno-return-type-c-linkage -std=c++03 | FileCheck %s -check-prefixes=CHECK 2 3 // For now just check that the RISC-V triples are accepted, but don't check the IR, as swiftcall is not yet supported. 4 // RUN: %clang_cc1 -triple riscv32-unknown-linux-gnu -emit-llvm -o - %s -Wno-return-type-c-linkage -std=c++03 5 // RUN: %clang_cc1 -triple riscv64-unknown-linux-gnu -emit-llvm -o - %s -Wno-return-type-c-linkage -std=c++03 6 7 // This isn't really testing anything ARM-specific; it's just a convenient 8 // 32-bit platform. 9 10 #define SWIFTCALL __attribute__((swiftcall)) 11 #define OUT __attribute__((swift_indirect_result)) 12 #define ERROR __attribute__((swift_error_result)) 13 #define CONTEXT __attribute__((swift_context)) 14 15 /*****************************************************************************/ 16 /********************************** LOWERING *********************************/ 17 /*****************************************************************************/ 18 19 #define TEST(TYPE) \ 20 extern "C" SWIFTCALL TYPE return_##TYPE(void) { \ 21 TYPE result = {}; \ 22 return result; \ 23 } \ 24 extern "C" SWIFTCALL void take_##TYPE(TYPE v) { \ 25 } \ 26 extern "C" void test_##TYPE() { \ 27 take_##TYPE(return_##TYPE()); \ 28 } 29 30 /*****************************************************************************/ 31 /*********************************** STRUCTS *********************************/ 32 /*****************************************************************************/ 33 34 typedef struct { 35 } struct_empty; 36 TEST(struct_empty); 37 // CHECK-LABEL: define {{.*}} @return_struct_empty() 38 // CHECK: ret void 39 // CHECK-LABEL: define {{.*}} @take_struct_empty() 40 // CHECK: ret void 41 42 // This is only properly testable in C++ because it relies on empty structs 43 // actually taking up space in a structure without requiring any extra data 44 // to be passed. 45 typedef struct { 46 int x; 47 struct_empty padding[2]; 48 char c1; 49 float f0; 50 float f1; 51 } struct_1; 52 TEST(struct_1); 53 // CHECK-LABEL: define {{.*}} @return_struct_1() 54 // CHECK: [[RET:%.*]] = alloca [[REC:%.*]], align 4 55 // CHECK: @llvm.memset 56 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG:{ i32, \[2 x i8\], i8, \[1 x i8\], float, float }]], ptr [[RET]], i32 0, i32 0 57 // CHECK: [[FIRST:%.*]] = load i32, ptr [[T0]], align 4 58 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[RET]], i32 0, i32 2 59 // CHECK: [[SECOND:%.*]] = load i8, ptr [[T0]], align 2 60 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[RET]], i32 0, i32 4 61 // CHECK: [[THIRD:%.*]] = load float, ptr [[T0]], align 4 62 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[RET]], i32 0, i32 5 63 // CHECK: [[FOURTH:%.*]] = load float, ptr [[T0]], align 4 64 // CHECK: [[T0:%.*]] = insertvalue [[UAGG:{ i32, i8, float, float }]] poison, i32 [[FIRST]], 0 65 // CHECK: [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i8 [[SECOND]], 1 66 // CHECK: [[T2:%.*]] = insertvalue [[UAGG]] [[T1]], float [[THIRD]], 2 67 // CHECK: [[T3:%.*]] = insertvalue [[UAGG]] [[T2]], float [[FOURTH]], 3 68 // CHECK: ret [[UAGG]] [[T3]] 69 // CHECK-LABEL: define {{.*}} @take_struct_1(i32 %0, i8 %1, float %2, float %3) 70 // CHECK: [[V:%.*]] = alloca [[REC]], align 4 71 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 0 72 // CHECK: store i32 %0, ptr [[T0]], align 4 73 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 2 74 // CHECK: store i8 %1, ptr [[T0]], align 2 75 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 4 76 // CHECK: store float %2, ptr [[T0]], align 4 77 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[V]], i32 0, i32 5 78 // CHECK: store float %3, ptr [[T0]], align 4 79 // CHECK: ret void 80 // CHECK-LABEL: define{{.*}} void @test_struct_1() 81 // CHECK: [[TMP:%.*]] = alloca [[REC]], align 4 82 // CHECK: [[CALL:%.*]] = call [[SWIFTCC:swiftcc]] [[UAGG]] @return_struct_1() 83 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 0 84 // CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 0 85 // CHECK: store i32 [[T1]], ptr [[T0]], align 4 86 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 2 87 // CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 1 88 // CHECK: store i8 [[T1]], ptr [[T0]], align 2 89 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 4 90 // CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 2 91 // CHECK: store float [[T1]], ptr [[T0]], align 4 92 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 5 93 // CHECK: [[T1:%.*]] = extractvalue [[UAGG]] [[CALL]], 3 94 // CHECK: store float [[T1]], ptr [[T0]], align 4 95 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 0 96 // CHECK: [[FIRST:%.*]] = load i32, ptr [[T0]], align 4 97 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 2 98 // CHECK: [[SECOND:%.*]] = load i8, ptr [[T0]], align 2 99 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 4 100 // CHECK: [[THIRD:%.*]] = load float, ptr [[T0]], align 4 101 // CHECK: [[T0:%.*]] = getelementptr inbounds nuw [[AGG]], ptr [[TMP]], i32 0, i32 5 102 // CHECK: [[FOURTH:%.*]] = load float, ptr [[T0]], align 4 103 // CHECK: call [[SWIFTCC]] void @take_struct_1(i32 [[FIRST]], i8 [[SECOND]], float [[THIRD]], float [[FOURTH]]) 104 // CHECK: ret void 105 106 struct struct_indirect_1 { 107 int x; 108 ~struct_indirect_1(); 109 }; 110 TEST(struct_indirect_1) 111 112 // CHECK-LABEL: define {{.*}} void @return_struct_indirect_1({{.*}} dead_on_unwind noalias writable sret 113 114 // Should not be byval. 115 // CHECK-LABEL: define {{.*}} void @take_struct_indirect_1(ptr noundef{{( %.*)?}}) 116 117 // Do a simple standalone test here of a function definition to ensure that 118 // we don't have problems due to failure to eagerly synthesize a copy 119 // constructor declaration. 120 class struct_trivial { 121 int x; 122 }; 123 // CHECK-LABEL: define{{.*}} swiftcc void @test_struct_trivial(i32{{( %.*)?}}) 124 extern "C" SWIFTCALL 125 void test_struct_trivial(struct_trivial triv) {} 126