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TheRock/compiler/amd-llvm/clang/test/AST/ByteCode/pass-object-size.c
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104 lines
3.8 KiB
C

// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck %s
/// This is the part of test/CodeGen/pass-object-size.c we can evaluate.
typedef unsigned long size_t;
struct Foo {
int t[10];
};
#define PS(N) __attribute__((pass_object_size(N)))
#define PDS(N) __attribute__((pass_dynamic_object_size(N)))
int gi = 0;
// CHECK-LABEL: define{{.*}} i32 @ObjectSize0(ptr noundef %{{.*}}, i64 noundef %0)
int ObjectSize0(void *const p PS(0)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 0);
}
// CHECK-LABEL: define{{.*}} i32 @DynamicObjectSize0(ptr noundef %{{.*}}, i64 noundef %0)
int DynamicObjectSize0(void *const p PDS(0)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_dynamic_object_size(p, 0);
}
// CHECK-LABEL: define{{.*}} i32 @ObjectSize1(ptr noundef %{{.*}}, i64 noundef %0)
int ObjectSize1(void *const p PS(1)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 1);
}
// CHECK-LABEL: define{{.*}} i32 @DynamicObjectSize1(ptr noundef %{{.*}}, i64 noundef %0)
int DynamicObjectSize1(void *const p PDS(1)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_dynamic_object_size(p, 1);
}
// CHECK-LABEL: define{{.*}} i32 @ObjectSize2(ptr noundef %{{.*}}, i64 noundef %0)
int ObjectSize2(void *const p PS(2)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 2);
}
// CHECK-LABEL: define{{.*}} i32 @DynamicObjectSize2(ptr noundef %{{.*}}, i64 noundef %0)
int DynamicObjectSize2(void *const p PDS(2)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 2);
}
// CHECK-LABEL: define{{.*}} i32 @ObjectSize3(ptr noundef %{{.*}}, i64 noundef %0)
int ObjectSize3(void *const p PS(3)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 3);
}
// CHECK-LABEL: define{{.*}} i32 @DynamicObjectSize3(ptr noundef %{{.*}}, i64 noundef %0)
int DynamicObjectSize3(void *const p PDS(3)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 3);
}
void *malloc(unsigned long) __attribute__((alloc_size(1)));
// CHECK-LABEL: define{{.*}} void @test1
void test1(unsigned long sz) {
struct Foo t[10];
// CHECK: call i32 @ObjectSize0(ptr noundef %{{.*}}, i64 noundef 360)
gi = ObjectSize0(&t[1]);
// CHECK: call i32 @ObjectSize1(ptr noundef %{{.*}}, i64 noundef 360)
gi = ObjectSize1(&t[1]);
// CHECK: call i32 @ObjectSize2(ptr noundef %{{.*}}, i64 noundef 360)
gi = ObjectSize2(&t[1]);
// CHECK: call i32 @ObjectSize3(ptr noundef %{{.*}}, i64 noundef 360)
gi = ObjectSize3(&t[1]);
// CHECK: call i32 @ObjectSize0(ptr noundef %{{.*}}, i64 noundef 356)
gi = ObjectSize0(&t[1].t[1]);
// CHECK: call i32 @ObjectSize1(ptr noundef %{{.*}}, i64 noundef 36)
gi = ObjectSize1(&t[1].t[1]);
// CHECK: call i32 @ObjectSize2(ptr noundef %{{.*}}, i64 noundef 356)
gi = ObjectSize2(&t[1].t[1]);
// CHECK: call i32 @ObjectSize3(ptr noundef %{{.*}}, i64 noundef 36)
gi = ObjectSize3(&t[1].t[1]);
char *ptr = (char *)malloc(sz);
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0({{.*}}, i1 false, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize0(ptr noundef %{{.*}}, i64 noundef [[REG]])
gi = DynamicObjectSize0(ptr);
// CHECK: [[WITH_OFFSET:%.*]] = getelementptr
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0(ptr [[WITH_OFFSET]], i1 false, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize0(ptr noundef {{.*}}, i64 noundef [[REG]])
gi = DynamicObjectSize0(ptr+10);
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0({{.*}}, i1 true, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize2(ptr noundef {{.*}}, i64 noundef [[REG]])
gi = DynamicObjectSize2(ptr);
}