// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5 // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes -no-pointer-tbaa %s -emit-llvm -o - | FileCheck --check-prefixes=COMMON,DISABLE %s // RUN: %clang_cc1 -triple x86_64-apple-darwin -O1 -disable-llvm-passes %s -emit-llvm -o - | FileCheck --check-prefixes=COMMON,DEFAULT %s void p2unsigned(unsigned **ptr) { // COMMON-LABEL: define void @p2unsigned( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6:![0-9]+]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA10:![0-9]+]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6:![0-9]+]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // *ptr = 0; } void p2unsigned_volatile(unsigned *volatile *ptr) { // COMMON-LABEL: define void @p2unsigned_volatile( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store volatile ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA10]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store volatile ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // *ptr = 0; } void p3int(int ***ptr) { // COMMON-LABEL: define void @p3int( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA12:![0-9]+]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA12]] // DEFAULT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store ptr null, ptr [[TMP1]], align 8, !tbaa [[TBAA10]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP1]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // **ptr = 0; } void p4char(char ****ptr) { // COMMON-LABEL: define void @p4char( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15:![0-9]+]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15]] // DEFAULT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA18:![0-9]+]] // DEFAULT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA20:![0-9]+]] // DEFAULT-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA22:![0-9]+]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // ***ptr = 0; } void p4char_const1(const char ****ptr) { // COMMON-LABEL: define void @p4char_const1( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15]] // DEFAULT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA18]] // DEFAULT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA20]] // DEFAULT-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA22]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // ***ptr = 0; } void p4char_const2(const char **const **ptr) { // COMMON-LABEL: define void @p4char_const2( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA15]] // DEFAULT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA18]] // DEFAULT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA20]] // DEFAULT-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA22]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP2:%.*]] = load ptr, ptr [[TMP1]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP2]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // ***ptr = 0; } struct S1 { int x; int y; }; void p2struct(struct S1 **ptr) { // COMMON-LABEL: define void @p2struct( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA24:![0-9]+]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA24]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA26:![0-9]+]] // DISABLE-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // *ptr = 0; } void p2struct_const(struct S1 const **ptr) { // COMMON-LABEL: define void @p2struct_const( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA24]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA24]] // DEFAULT-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA26]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: store ptr null, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: ret void // *ptr = 0; } struct S2 { struct S1 *s; }; void p2struct2(struct S2 *ptr) { // COMMON-LABEL: define void @p2struct2( // COMMON-SAME: ptr noundef [[PTR:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA28:![0-9]+]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA28]] // DEFAULT-NEXT: [[S:%.*]] = getelementptr inbounds nuw [[STRUCT_S2:%.*]], ptr [[TMP0]], i32 0, i32 0 // DEFAULT-NEXT: store ptr null, ptr [[S]], align 8, !tbaa [[TBAA30:![0-9]+]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DISABLE-NEXT: [[S:%.*]] = getelementptr inbounds nuw [[STRUCT_S2:%.*]], ptr [[TMP0]], i32 0, i32 0 // DISABLE-NEXT: store ptr null, ptr [[S]], align 8, !tbaa [[TBAA8:![0-9]+]] // COMMON-NEXT: ret void ptr->s = 0; } void vla1(int n, int ptr[][n], int idx) { // COMMON-LABEL: define void @vla1( // COMMON-SAME: i32 noundef [[N:%.+]], ptr noundef [[PTR:%.+]], i32 noundef [[IDX:%.+]]) // COMMON: [[N_ADDR:%.+]] = alloca i32, align 4 // COMMON-NEXT: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // COMMON-NEXT: [[IDX_ADDR:%.+]] = alloca i32, align 4 // COMMON-NEXT: store i32 [[N]], ptr [[N_ADDR]], align 4, !tbaa [[TBAA2:![0-9]+]] // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA10]] // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: store i32 [[IDX]], ptr [[IDX_ADDR]], align 4, !tbaa [[TBAA2]] // COMMON-NEXT: [[TMP0:%.*]] = load i32, ptr [[N_ADDR]], align 4, !tbaa [[TBAA2]] // COMMON-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64 // DEFAULT-NEXT: [[TMP2:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA10]] // DISABLE-NEXT: [[TMP2:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // COMMON-NEXT: [[TMP3:%.*]] = load i32, ptr [[IDX_ADDR]], align 4, !tbaa [[TBAA2]] // COMMON-NEXT: [[IDXPROM:%.*]] = sext i32 [[TMP3]] to i64 // COMMON-NEXT: [[TMP4:%.*]] = mul nsw i64 [[IDXPROM]], [[TMP1]] // COMMON-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, ptr [[TMP2]], i64 [[TMP4]] // COMMON-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, ptr [[ARRAYIDX]], i64 0 // COMMON-NEXT: store i32 0, ptr [[ARRAYIDX1]], align 4, !tbaa [[TBAA2]] // COMMON-NEXT: ret void ptr[idx][0] = 0; } typedef struct { int i1; } TypedefS; void unamed_struct_typedef(TypedefS *ptr) { // COMMON-LABEL: define void @unamed_struct_typedef( // COMMON-SAME: ptr noundef [[PTRA:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA32:![0-9]+]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA32]] // COMMON-NEXT: [[I1:%.*]] = getelementptr inbounds nuw [[STRUCT_TYPEDEFS:%.*]], ptr [[TMP0]], i32 0, i32 0 // DISABLE-NEXT: store i32 0, ptr [[I1]], align 4, !tbaa [[TBAA10:![0-9]+]] // DEFAULT-NEXT: store i32 0, ptr [[I1]], align 4, !tbaa [[TBAA33:![0-9]+]] // COMMON-NEXT: ret void ptr->i1 = 0; } int void_ptrs(void **ptr) { // COMMON-LABEL: define i32 @void_ptrs( // COMMON-SAME: ptr noundef [[PTRA:%.+]]) // COMMON: [[PTR_ADDR:%.+]] = alloca ptr, align 8 // DISABLE-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: store ptr [[PTR]], ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA35:![0-9]+]] // DISABLE-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: [[TMP0:%.*]] = load ptr, ptr [[PTR_ADDR]], align 8, !tbaa [[TBAA35]] // DISABLE-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA6]] // DEFAULT-NEXT: [[TMP1:%.*]] = load ptr, ptr [[TMP0]], align 8, !tbaa [[TBAA32]] // COMMON-NEXT: [[TOBOOL:%.*]] = icmp ne ptr [[TMP1]], null // COMMON-NEXT: [[TMP2:%.*]] = zext i1 [[TOBOOL]] to i64 // COMMON-NEXT: [[COND:%.*]] = select i1 [[TOBOOL]], i32 0, i32 1 // COMMON-NEXT: ret i32 [[COND]] return *ptr ? 0 : 1; } // DISABLE: [[TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0} // DISABLE: [[META3]] = !{!"int", [[META4:![0-9]+]], i64 0} // DISABLE: [[META4]] = !{!"omnipotent char", [[META5:![0-9]+]], i64 0} // DISABLE: [[META5]] = !{!"Simple C/C++ TBAA"} // DISABLE: [[TBAA6]] = !{[[META7:![0-9]+]], [[META7]], i64 0} // DISABLE: [[META7]] = !{!"any pointer", [[META4]], i64 0} // DISABLE: [[TBAA8]] = !{[[META9:![0-9]+]], [[META7]], i64 0} // DISABLE: [[META9]] = !{!"S2", [[META7]], i64 0} // DISABLE: [[TBAA10]] = !{[[META11:![0-9]+]], [[META3]], i64 0} // DISABLE: [[META11]] = !{!"", [[META3]], i64 0} // DEFAULT: [[TBAA2]] = !{[[META3:![0-9]+]], [[META3]], i64 0} // DEFAULT: [[META3]] = !{!"int", [[META4:![0-9]+]], i64 0} // DEFAULT: [[META4]] = !{!"omnipotent char", [[META5:![0-9]+]], i64 0} // DEFAULT: [[META5]] = !{!"Simple C/C++ TBAA"} // DEFAULT: [[TBAA6]] = !{[[META7:![0-9]+]], [[META7]], i64 0} // DEFAULT: [[META7]] = !{!"p2 int", [[META8:![0-9]+]], i64 0} // DEFAULT: [[META8]] = !{!"any p2 pointer", [[META9:![0-9]+]], i64 0} // DEFAULT: [[META9]] = !{!"any pointer", [[META4]], i64 0} // DEFAULT: [[TBAA10]] = !{[[META11:![0-9]+]], [[META11]], i64 0} // DEFAULT: [[META11]] = !{!"p1 int", [[META9]], i64 0} // DEFAULT: [[TBAA12]] = !{[[META13:![0-9]+]], [[META13]], i64 0} // DEFAULT: [[META13]] = !{!"p3 int", [[META14:![0-9]+]], i64 0} // DEFAULT: [[META14]] = !{!"any p3 pointer", [[META8]], i64 0} // DEFAULT: [[TBAA15]] = !{[[META16:![0-9]+]], [[META16]], i64 0} // DEFAULT: [[META16]] = !{!"p4 omnipotent char", [[META17:![0-9]+]], i64 0} // DEFAULT: [[META17]] = !{!"any p4 pointer", [[META14]], i64 0} // DEFAULT: [[TBAA18]] = !{[[META19:![0-9]+]], [[META19]], i64 0} // DEFAULT: [[META19]] = !{!"p3 omnipotent char", [[META14]], i64 0} // DEFAULT: [[TBAA20]] = !{[[META21:![0-9]+]], [[META21]], i64 0} // DEFAULT: [[META21]] = !{!"p2 omnipotent char", [[META8]], i64 0} // DEFAULT: [[TBAA22]] = !{[[META23:![0-9]+]], [[META23]], i64 0} // DEFAULT: [[META23]] = !{!"p1 omnipotent char", [[META9]], i64 0} // DEFAULT: [[TBAA24]] = !{[[META25:![0-9]+]], [[META25]], i64 0} // DEFAULT: [[META25]] = !{!"p2 _ZTS2S1", [[META8]], i64 0} // DEFAULT: [[TBAA26]] = !{[[META27:![0-9]+]], [[META27]], i64 0} // DEFAULT: [[META27]] = !{!"p1 _ZTS2S1", [[META9]], i64 0} // DEFAULT: [[TBAA28]] = !{[[META29:![0-9]+]], [[META29]], i64 0} // DEFAULT: [[META29]] = !{!"p1 _ZTS2S2", [[META9]], i64 0} // DEFAULT: [[TBAA30]] = !{[[META31:![0-9]+]], [[META27]], i64 0} // DEFAULT: [[META31]] = !{!"S2", [[META27]], i64 0} // DEFAULT: [[TBAA32]] = !{[[META9]], [[META9]], i64 0} // DEFAULT: [[TBAA33]] = !{[[META34:![0-9]+]], [[META3]], i64 0} // DEFAULT: [[META34]] = !{!"", [[META3]], i64 0} // DEFAULT: [[TBAA35]] = !{[[META8]], [[META8]], i64 0} //.