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// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -O0 %s -o - 2>&1 | FileCheck %s
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(i8* %{{.*}}, i64)
int ObjectSize0(void *const p PS(0)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 0);
}
// CHECK-LABEL: define i32 @DynamicObjectSize0(i8* %{{.*}}, i64)
int DynamicObjectSize0(void *const p PDS(0)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_dynamic_object_size(p, 0);
}
// CHECK-LABEL: define i32 @ObjectSize1(i8* %{{.*}}, i64)
int ObjectSize1(void *const p PS(1)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 1);
}
// CHECK-LABEL: define i32 @DynamicObjectSize1(i8* %{{.*}}, i64)
int DynamicObjectSize1(void *const p PDS(1)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_dynamic_object_size(p, 1);
}
// CHECK-LABEL: define i32 @ObjectSize2(i8* %{{.*}}, i64)
int ObjectSize2(void *const p PS(2)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 2);
}
// CHECK-LABEL: define i32 @DynamicObjectSize2(i8* %{{.*}}, i64)
int DynamicObjectSize2(void *const p PDS(2)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 2);
}
// CHECK-LABEL: define i32 @ObjectSize3(i8* %{{.*}}, i64)
int ObjectSize3(void *const p PS(3)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 3);
}
// CHECK-LABEL: define i32 @DynamicObjectSize3(i8* %{{.*}}, i64)
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(i8* %{{.*}}, i64 360)
gi = ObjectSize0(&t[1]);
// CHECK: call i32 @ObjectSize1(i8* %{{.*}}, i64 360)
gi = ObjectSize1(&t[1]);
// CHECK: call i32 @ObjectSize2(i8* %{{.*}}, i64 360)
gi = ObjectSize2(&t[1]);
// CHECK: call i32 @ObjectSize3(i8* %{{.*}}, i64 360)
gi = ObjectSize3(&t[1]);
// CHECK: call i32 @ObjectSize0(i8* %{{.*}}, i64 356)
gi = ObjectSize0(&t[1].t[1]);
// CHECK: call i32 @ObjectSize1(i8* %{{.*}}, i64 36)
gi = ObjectSize1(&t[1].t[1]);
// CHECK: call i32 @ObjectSize2(i8* %{{.*}}, i64 356)
gi = ObjectSize2(&t[1].t[1]);
// CHECK: call i32 @ObjectSize3(i8* %{{.*}}, i64 36)
gi = ObjectSize3(&t[1].t[1]);
char *ptr = (char *)malloc(sz);
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0i8({{.*}}, i1 false, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize0(i8* %{{.*}}, i64 [[REG]])
gi = DynamicObjectSize0(ptr);
// CHECK: [[WITH_OFFSET:%.*]] = getelementptr
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* [[WITH_OFFSET]], i1 false, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize0(i8* {{.*}}, i64 [[REG]])
gi = DynamicObjectSize0(ptr+10);
// CHECK: [[REG:%.*]] = call i64 @llvm.objectsize.i64.p0i8({{.*}}, i1 true, i1 true, i1 true)
// CHECK: call i32 @DynamicObjectSize2(i8* {{.*}}, i64 [[REG]])
gi = DynamicObjectSize2(ptr);
}
// CHECK-LABEL: define void @test2
void test2(struct Foo *t) {
// CHECK: [[VAR:%[0-9]+]] = call i64 @llvm.objectsize
// CHECK: call i32 @ObjectSize1(i8* %{{.*}}, i64 [[VAR]])
gi = ObjectSize1(&t->t[1]);
// CHECK: call i32 @ObjectSize3(i8* %{{.*}}, i64 36)
gi = ObjectSize3(&t->t[1]);
}
// CHECK-LABEL: define i32 @_Z27NoViableOverloadObjectSize0Pv
int NoViableOverloadObjectSize0(void *const p) __attribute__((overloadable)) {
// CHECK: @llvm.objectsize
return __builtin_object_size(p, 0);
}
// CHECK-LABEL: define i32 @_Z34NoViableOverloadDynamicObjectSize0Pv
int NoViableOverloadDynamicObjectSize0(void *const p)
__attribute__((overloadable)) {
// CHECK: @llvm.objectsize
return __builtin_object_size(p, 0);
}
// CHECK-LABEL: define i32 @_Z27NoViableOverloadObjectSize1Pv
int NoViableOverloadObjectSize1(void *const p) __attribute__((overloadable)) {
// CHECK: @llvm.objectsize
return __builtin_object_size(p, 1);
}
// CHECK-LABEL: define i32 @_Z27NoViableOverloadObjectSize2Pv
int NoViableOverloadObjectSize2(void *const p) __attribute__((overloadable)) {
// CHECK: @llvm.objectsize
return __builtin_object_size(p, 2);
}
// CHECK-LABEL: define i32 @_Z27NoViableOverloadObjectSize3Pv
int NoViableOverloadObjectSize3(void *const p) __attribute__((overloadable)) {
// CHECK-NOT: @llvm.objectsize
return __builtin_object_size(p, 3);
}
// CHECK-LABEL: define i32 @_Z27NoViableOverloadObjectSize0Pv
// CHECK-NOT: @llvm.objectsize
int NoViableOverloadObjectSize0(void *const p PS(0))
__attribute__((overloadable)) {
return __builtin_object_size(p, 0);
}
int NoViableOverloadDynamicObjectSize0(void *const p PDS(0))
__attribute__((overloadable)) {
return __builtin_dynamic_object_size(p, 0);
}
int NoViableOverloadObjectSize1(void *const p PS(1))
__attribute__((overloadable)) {
return __builtin_object_size(p, 1);
}
int NoViableOverloadObjectSize2(void *const p PS(2))
__attribute__((overloadable)) {
return __builtin_object_size(p, 2);
}
int NoViableOverloadObjectSize3(void *const p PS(3))
__attribute__((overloadable)) {
return __builtin_object_size(p, 3);
}
const static int SHOULDNT_BE_CALLED = -100;
int NoViableOverloadObjectSize0(void *const p PS(0))
__attribute__((overloadable, enable_if(p == 0, "never selected"))) {
return SHOULDNT_BE_CALLED;
}
int NoViableOverloadObjectSize1(void *const p PS(1))
__attribute__((overloadable, enable_if(p == 0, "never selected"))) {
return SHOULDNT_BE_CALLED;
}
int NoViableOverloadObjectSize2(void *const p PS(2))
__attribute__((overloadable, enable_if(p == 0, "never selected"))) {
return SHOULDNT_BE_CALLED;
}
int NoViableOverloadObjectSize3(void *const p PS(3))
__attribute__((overloadable, enable_if(p == 0, "never selected"))) {
return SHOULDNT_BE_CALLED;
}
// CHECK-LABEL: define void @test3
void test3() {
struct Foo t[10];
// CHECK: call i32 @_Z27NoViableOverloadObjectSize0PvU17pass_object_size0(i8* %{{.*}}, i64 360)
gi = NoViableOverloadObjectSize0(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize1PvU17pass_object_size1(i8* %{{.*}}, i64 360)
gi = NoViableOverloadObjectSize1(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize2PvU17pass_object_size2(i8* %{{.*}}, i64 360)
gi = NoViableOverloadObjectSize2(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize3PvU17pass_object_size3(i8* %{{.*}}, i64 360)
gi = NoViableOverloadObjectSize3(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize0PvU17pass_object_size0(i8* %{{.*}}, i64 356)
gi = NoViableOverloadObjectSize0(&t[1].t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize1PvU17pass_object_size1(i8* %{{.*}}, i64 36)
gi = NoViableOverloadObjectSize1(&t[1].t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize2PvU17pass_object_size2(i8* %{{.*}}, i64 356)
gi = NoViableOverloadObjectSize2(&t[1].t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize3PvU17pass_object_size3(i8* %{{.*}}, i64 36)
gi = NoViableOverloadObjectSize3(&t[1].t[1]);
// CHECK: call i32 @_Z34NoViableOverloadDynamicObjectSize0PvU25pass_dynamic_object_size0(i8* %{{.*}}, i64 360)
gi = NoViableOverloadDynamicObjectSize0(&t[1]);
}
// CHECK-LABEL: define void @test4
void test4(struct Foo *t) {
// CHECK: call i32 @_Z27NoViableOverloadObjectSize0PvU17pass_object_size0(i8* %{{.*}}, i64 %{{.*}})
gi = NoViableOverloadObjectSize0(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize1PvU17pass_object_size1(i8* %{{.*}}, i64 %{{.*}})
gi = NoViableOverloadObjectSize1(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize2PvU17pass_object_size2(i8* %{{.*}}, i64 %{{.*}})
gi = NoViableOverloadObjectSize2(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize3PvU17pass_object_size3(i8* %{{.*}}, i64 0)
gi = NoViableOverloadObjectSize3(&t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize0PvU17pass_object_size0(i8* %{{.*}}, i64 %{{.*}})
gi = NoViableOverloadObjectSize0(&t[1].t[1]);
// CHECK: [[VAR:%[0-9]+]] = call i64 @llvm.objectsize
// CHECK: call i32 @_Z27NoViableOverloadObjectSize1PvU17pass_object_size1(i8* %{{.*}}, i64 [[VAR]])
gi = NoViableOverloadObjectSize1(&t[1].t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize2PvU17pass_object_size2(i8* %{{.*}}, i64 %{{.*}})
gi = NoViableOverloadObjectSize2(&t[1].t[1]);
// CHECK: call i32 @_Z27NoViableOverloadObjectSize3PvU17pass_object_size3(i8* %{{.*}}, i64 36)
gi = NoViableOverloadObjectSize3(&t[1].t[1]);
}
void test5() {
struct Foo t[10];
int (*f)(void *) = &NoViableOverloadObjectSize0;
gi = f(&t[1]);
int (*g)(void *) = &NoViableOverloadDynamicObjectSize0;
gi = g(&t[1]);
}
// CHECK-LABEL: define i32 @IndirectObjectSize0
int IndirectObjectSize0(void *const p PS(0)) {
// CHECK: call i32 @ObjectSize0(i8* %{{.*}}, i64 %{{.*}})
// CHECK-NOT: @llvm.objectsize
return ObjectSize0(p);
}
// CHECK-LABEL: define i32 @IndirectObjectSize1
int IndirectObjectSize1(void *const p PS(1)) {
// CHECK: call i32 @ObjectSize1(i8* %{{.*}}, i64 %{{.*}})
// CHECK-NOT: @llvm.objectsize
return ObjectSize1(p);
}
// CHECK-LABEL: define i32 @IndirectObjectSize2
int IndirectObjectSize2(void *const p PS(2)) {
// CHECK: call i32 @ObjectSize2(i8* %{{.*}}, i64 %{{.*}})
// CHECK-NOT: @llvm.objectsize
return ObjectSize2(p);
}
// CHECK-LABEL: define i32 @IndirectObjectSize3
int IndirectObjectSize3(void *const p PS(3)) {
// CHECK: call i32 @ObjectSize3(i8* %{{.*}}, i64 %{{.*}})
// CHECK-NOT: @llvm.objectsize
return ObjectSize3(p);
}
int IndirectDynamicObjectSize0(void *const p PDS(0)) {
// CHECK: call i32 @ObjectSize0(i8* %{{.*}}, i64 %{{.*}})
// CHECK-NOT: @llvm.objectsize
return ObjectSize0(p);
}
int Overload0(void *, size_t, void *, size_t);
int OverloadNoSize(void *, void *);
int OverloadedObjectSize(void *const p PS(0),
void *const c PS(0))
__attribute__((overloadable)) __asm__("Overload0");
int OverloadedObjectSize(void *const p, void *const c)
__attribute__((overloadable)) __asm__("OverloadNoSize");
// CHECK-LABEL: define void @test6
void test6() {
int known[10], *opaque;
// CHECK: call i32 @"\01Overload0"
gi = OverloadedObjectSize(&known[0], &known[0]);
// CHECK: call i32 @"\01Overload0"
gi = OverloadedObjectSize(&known[0], opaque);
// CHECK: call i32 @"\01Overload0"
gi = OverloadedObjectSize(opaque, &known[0]);
// CHECK: call i32 @"\01Overload0"
gi = OverloadedObjectSize(opaque, opaque);
}
int Identity(void *p, size_t i) { return i; }
// CHECK-NOT: define void @AsmObjectSize
int AsmObjectSize0(void *const p PS(0)) __asm__("Identity");
int AsmObjectSize1(void *const p PS(1)) __asm__("Identity");
int AsmObjectSize2(void *const p PS(2)) __asm__("Identity");
int AsmObjectSize3(void *const p PS(3)) __asm__("Identity");
// CHECK-LABEL: define void @test7
void test7() {
struct Foo t[10];
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 360)
gi = AsmObjectSize0(&t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 360)
gi = AsmObjectSize1(&t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 360)
gi = AsmObjectSize2(&t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 360)
gi = AsmObjectSize3(&t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 356)
gi = AsmObjectSize0(&t[1].t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 36)
gi = AsmObjectSize1(&t[1].t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 356)
gi = AsmObjectSize2(&t[1].t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 36)
gi = AsmObjectSize3(&t[1].t[1]);
}
// CHECK-LABEL: define void @test8
void test8(struct Foo *t) {
// CHECK: [[VAR:%[0-9]+]] = call i64 @llvm.objectsize
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 [[VAR]])
gi = AsmObjectSize1(&t[1].t[1]);
// CHECK: call i32 @"\01Identity"(i8* %{{.*}}, i64 36)
gi = AsmObjectSize3(&t[1].t[1]);
}
void DifferingObjectSize0(void *const p __attribute__((pass_object_size(0))));
void DifferingObjectSize1(void *const p __attribute__((pass_object_size(1))));
void DifferingObjectSize2(void *const p __attribute__((pass_object_size(2))));
void DifferingObjectSize3(void *const p __attribute__((pass_object_size(3))));
// CHECK-LABEL: define void @test9
void test9(void *const p __attribute__((pass_object_size(0)))) {
// CHECK: @llvm.objectsize
DifferingObjectSize2(p);
// CHECK-NOT: @llvm.objectsize
DifferingObjectSize0(p);
DifferingObjectSize1(p);
// CHECK: call void @DifferingObjectSize3(i8* %{{.*}}, i64 0)
DifferingObjectSize3(p);
}
// CHECK-LABEL: define void @test10
void test10(void *const p __attribute__((pass_object_size(1)))) {
// CHECK: @llvm.objectsize
DifferingObjectSize2(p);
// CHECK: @llvm.objectsize
DifferingObjectSize0(p);
// CHECK-NOT: @llvm.objectsize
DifferingObjectSize1(p);
// CHECK: call void @DifferingObjectSize3(i8* %{{.*}}, i64 0)
DifferingObjectSize3(p);
}
// CHECK-LABEL: define void @test11
void test11(void *const p __attribute__((pass_object_size(2)))) {
// CHECK: @llvm.objectsize
DifferingObjectSize0(p);
// CHECK: @llvm.objectsize
DifferingObjectSize1(p);
// CHECK-NOT: @llvm.objectsize
DifferingObjectSize2(p);
// CHECK: call void @DifferingObjectSize3(i8* %{{.*}}, i64 0)
DifferingObjectSize3(p);
}
// CHECK-LABEL: define void @test12
void test12(void *const p __attribute__((pass_object_size(3)))) {
// CHECK: @llvm.objectsize
DifferingObjectSize0(p);
// CHECK: @llvm.objectsize
DifferingObjectSize1(p);
// CHECK-NOT: @llvm.objectsize
DifferingObjectSize2(p);
DifferingObjectSize3(p);
}
// CHECK-LABEL: define void @test13
void test13() {
char c[10];
unsigned i = 0;
char *p = c;
// CHECK: @llvm.objectsize
ObjectSize0(p);
// Allow side-effects, since they always need to happen anyway. Just make sure
// we don't perform them twice.
// CHECK: = add
// CHECK-NOT: = add
// CHECK: @llvm.objectsize
// CHECK: call i32 @ObjectSize0
ObjectSize0(p + ++i);
// CHECK: = add
// CHECK: @llvm.objectsize
// CHECK-NOT: = add
// CHECK: call i32 @ObjectSize0
ObjectSize0(p + i++);
}
// There was a bug where variadic functions with pass_object_size would cause
// problems in the form of failed assertions.
void my_sprintf(char *const c __attribute__((pass_object_size(0))), ...) {}
// CHECK-LABEL: define void @test14
void test14(char *c) {
// CHECK: @llvm.objectsize
// CHECK: call void (i8*, i64, ...) @my_sprintf
my_sprintf(c);
// CHECK: @llvm.objectsize
// CHECK: call void (i8*, i64, ...) @my_sprintf
my_sprintf(c, 1, 2, 3);
}
void pass_size_unsigned(unsigned *const PS(0));
// Bug: we weren't lowering to the proper @llvm.objectsize for pointers that
// don't turn into i8*s, which caused crashes.
// CHECK-LABEL: define void @test15
void test15(unsigned *I) {
// CHECK: @llvm.objectsize.i64.p0i32
// CHECK: call void @pass_size_unsigned
pass_size_unsigned(I);
}
void pass_size_as1(__attribute__((address_space(1))) void *const PS(0));
void pass_size_unsigned_as1(
__attribute__((address_space(1))) unsigned *const PS(0));
// CHECK-LABEL: define void @test16
void test16(__attribute__((address_space(1))) unsigned *I) {
// CHECK: call i64 @llvm.objectsize.i64.p1i8
// CHECK: call void @pass_size_as1
pass_size_as1(I);
// CHECK: call i64 @llvm.objectsize.i64.p1i32
// CHECK: call void @pass_size_unsigned_as1
pass_size_unsigned_as1(I);
}
// This used to cause assertion failures, since we'd try to emit the statement
// expression (and definitions for `a`) twice.
// CHECK-LABEL: define void @test17
void test17(char *C) {
// Check for 65535 to see if we're emitting this pointer twice.
// CHECK: 65535
// CHECK-NOT: 65535
// CHECK: @llvm.objectsize.i64.p0i8(i8* [[PTR:%[^,]+]],
// CHECK-NOT: 65535
// CHECK: call i32 @ObjectSize0(i8* [[PTR]]
ObjectSize0(C + ({ int a = 65535; a; }));
}
// CHECK-LABEL: define void @test18
void test18(char *const p PDS(0)) {
// CHECK-NOT: llvm.objectsize
gi = __builtin_dynamic_object_size(p, 0);
gi = __builtin_object_size(p, 0);
}
|
