229 lines
8.7 KiB
C++
229 lines
8.7 KiB
C++
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -no-struct-path-tbaa -disable-llvm-optzns %s -emit-llvm -o - | FileCheck %s
|
||
|
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-optzns %s -emit-llvm -o - | FileCheck %s -check-prefix=PATH
|
||
|
|
// Test TBAA metadata generated by front-end.
|
||
|
|
|
||
|
|
typedef unsigned char uint8_t;
|
||
|
|
typedef unsigned short uint16_t;
|
||
|
|
typedef unsigned int uint32_t;
|
||
|
|
typedef unsigned long long uint64_t;
|
||
|
|
class StructA
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16;
|
||
|
|
uint32_t f32;
|
||
|
|
uint16_t f16_2;
|
||
|
|
uint32_t f32_2;
|
||
|
|
};
|
||
|
|
class StructB
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16;
|
||
|
|
StructA a;
|
||
|
|
uint32_t f32;
|
||
|
|
};
|
||
|
|
class StructC
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16;
|
||
|
|
StructB b;
|
||
|
|
uint32_t f32;
|
||
|
|
};
|
||
|
|
class StructD
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16;
|
||
|
|
StructB b;
|
||
|
|
uint32_t f32;
|
||
|
|
uint8_t f8;
|
||
|
|
};
|
||
|
|
|
||
|
|
class StructS
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16;
|
||
|
|
uint32_t f32;
|
||
|
|
};
|
||
|
|
class StructS2 : public StructS
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
uint16_t f16_2;
|
||
|
|
uint32_t f32_2;
|
||
|
|
};
|
||
|
|
|
||
|
|
uint32_t g(uint32_t *s, StructA *A, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32:!.*]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32:!.*]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32:!.*]]
|
||
|
|
*s = 1;
|
||
|
|
A->f32 = 4;
|
||
|
|
return *s;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g2(uint32_t *s, StructA *A, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_i16:!.*]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_A_f16:!.*]]
|
||
|
|
*s = 1;
|
||
|
|
A->f16 = 4;
|
||
|
|
return *s;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g3(StructA *A, StructB *B, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
B->a.f32 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g4(StructA *A, StructB *B, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_i16]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_B_a_f16:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
B->a.f16 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g5(StructA *A, StructB *B, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_f32:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
B->f32 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g6(StructA *A, StructB *B, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32_2:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
B->a.f32_2 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g7(StructA *A, StructS *S, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
S->f32 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g8(StructA *A, StructS *S, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_i16]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_A_f32]]
|
||
|
|
// PATH: store i16 4, i16* %{{.*}}, align 2, !tbaa [[TAG_S_f16:!.*]]
|
||
|
|
A->f32 = 1;
|
||
|
|
S->f16 = 4;
|
||
|
|
return A->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g9(StructS *S, StructS2 *S2, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32:!.*]]
|
||
|
|
S->f32 = 1;
|
||
|
|
S2->f32 = 4;
|
||
|
|
return S->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g10(StructS *S, StructS2 *S2, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_S_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_S2_f32_2:!.*]]
|
||
|
|
S->f32 = 1;
|
||
|
|
S2->f32_2 = 4;
|
||
|
|
return S->f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g11(StructC *C, StructD *D, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_C_b_a_f32:!.*]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_D_b_a_f32:!.*]]
|
||
|
|
C->b.a.f32 = 1;
|
||
|
|
D->b.a.f32 = 4;
|
||
|
|
return C->b.a.f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint32_t g12(StructC *C, StructD *D, uint64_t count) {
|
||
|
|
// CHECK: define i32 @{{.*}}(
|
||
|
|
// CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// CHECK: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_i32]]
|
||
|
|
// TODO: differentiate the two accesses.
|
||
|
|
// PATH: define i32 @{{.*}}(
|
||
|
|
// PATH: store i32 1, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32]]
|
||
|
|
// PATH: store i32 4, i32* %{{.*}}, align 4, !tbaa [[TAG_B_a_f32]]
|
||
|
|
StructB *b1 = &(C->b);
|
||
|
|
StructB *b2 = &(D->b);
|
||
|
|
// b1, b2 have different context.
|
||
|
|
b1->a.f32 = 1;
|
||
|
|
b2->a.f32 = 4;
|
||
|
|
return b1->a.f32;
|
||
|
|
}
|
||
|
|
|
||
|
|
// CHECK: [[TYPE_char:!.*]] = metadata !{metadata !"omnipotent char", metadata [[TAG_cxx_tbaa:!.*]],
|
||
|
|
// CHECK: [[TAG_cxx_tbaa]] = metadata !{metadata !"Simple C/C++ TBAA"}
|
||
|
|
// CHECK: [[TAG_i32]] = metadata !{metadata [[TYPE_i32:!.*]], metadata [[TYPE_i32]], i64 0}
|
||
|
|
// CHECK: [[TYPE_i32]] = metadata !{metadata !"int", metadata [[TYPE_char]],
|
||
|
|
// CHECK: [[TAG_i16]] = metadata !{metadata [[TYPE_i16:!.*]], metadata [[TYPE_i16]], i64 0}
|
||
|
|
// CHECK: [[TYPE_i16]] = metadata !{metadata !"short", metadata [[TYPE_char]],
|
||
|
|
|
||
|
|
// PATH: [[TYPE_CHAR:!.*]] = metadata !{metadata !"omnipotent char", metadata
|
||
|
|
// PATH: [[TAG_i32]] = metadata !{metadata [[TYPE_INT:!.*]], metadata [[TYPE_INT]], i64 0}
|
||
|
|
// PATH: [[TYPE_INT]] = metadata !{metadata !"int", metadata [[TYPE_CHAR]]
|
||
|
|
// PATH: [[TAG_A_f32]] = metadata !{metadata [[TYPE_A:!.*]], metadata [[TYPE_INT]], i64 4}
|
||
|
|
// PATH: [[TYPE_A]] = metadata !{metadata !"_ZTS7StructA", metadata [[TYPE_SHORT:!.*]], i64 0, metadata [[TYPE_INT]], i64 4, metadata [[TYPE_SHORT]], i64 8, metadata [[TYPE_INT]], i64 12}
|
||
|
|
// PATH: [[TYPE_SHORT:!.*]] = metadata !{metadata !"short", metadata [[TYPE_CHAR]]
|
||
|
|
// PATH: [[TAG_A_f16]] = metadata !{metadata [[TYPE_A]], metadata [[TYPE_SHORT]], i64 0}
|
||
|
|
// PATH: [[TAG_B_a_f32]] = metadata !{metadata [[TYPE_B:!.*]], metadata [[TYPE_INT]], i64 8}
|
||
|
|
// PATH: [[TYPE_B]] = metadata !{metadata !"_ZTS7StructB", metadata [[TYPE_SHORT]], i64 0, metadata [[TYPE_A]], i64 4, metadata [[TYPE_INT]], i64 20}
|
||
|
|
// PATH: [[TAG_B_a_f16]] = metadata !{metadata [[TYPE_B]], metadata [[TYPE_SHORT]], i64 4}
|
||
|
|
// PATH: [[TAG_B_f32]] = metadata !{metadata [[TYPE_B]], metadata [[TYPE_INT]], i64 20}
|
||
|
|
// PATH: [[TAG_B_a_f32_2]] = metadata !{metadata [[TYPE_B]], metadata [[TYPE_INT]], i64 16}
|
||
|
|
// PATH: [[TAG_S_f32]] = metadata !{metadata [[TYPE_S:!.*]], metadata [[TYPE_INT]], i64 4}
|
||
|
|
// PATH: [[TYPE_S]] = metadata !{metadata !"_ZTS7StructS", metadata [[TYPE_SHORT]], i64 0, metadata [[TYPE_INT]], i64 4}
|
||
|
|
// PATH: [[TAG_S_f16]] = metadata !{metadata [[TYPE_S]], metadata [[TYPE_SHORT]], i64 0}
|
||
|
|
// PATH: [[TAG_S2_f32_2]] = metadata !{metadata [[TYPE_S2:!.*]], metadata [[TYPE_INT]], i64 12}
|
||
|
|
// PATH: [[TYPE_S2]] = metadata !{metadata !"_ZTS8StructS2", metadata [[TYPE_SHORT]], i64 8, metadata [[TYPE_INT]], i64 12}
|
||
|
|
// PATH: [[TAG_C_b_a_f32]] = metadata !{metadata [[TYPE_C:!.*]], metadata [[TYPE_INT]], i64 12}
|
||
|
|
// PATH: [[TYPE_C]] = metadata !{metadata !"_ZTS7StructC", metadata [[TYPE_SHORT]], i64 0, metadata [[TYPE_B]], i64 4, metadata [[TYPE_INT]], i64 28}
|
||
|
|
// PATH: [[TAG_D_b_a_f32]] = metadata !{metadata [[TYPE_D:!.*]], metadata [[TYPE_INT]], i64 12}
|
||
|
|
// PATH: [[TYPE_D]] = metadata !{metadata !"_ZTS7StructD", metadata [[TYPE_SHORT]], i64 0, metadata [[TYPE_B]], i64 4, metadata [[TYPE_INT]], i64 28, metadata [[TYPE_CHAR]], i64 32}
|