| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5 |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - -O1 %s | \ |
| // RUN: FileCheck -check-prefixes=CHECK,CHECK-OLD %s |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin -new-struct-path-tbaa \ |
| // RUN: -emit-llvm -o - -O1 %s | \ |
| // RUN: FileCheck -check-prefixes=CHECK,CHECK-NEW %s |
| // |
| // Check that we generate TBAA metadata for struct copies correctly. |
| |
| struct A { |
| short s; |
| int i; |
| char c; |
| int j; |
| }; |
| |
| typedef A __attribute__((may_alias)) AA; |
| |
| void copy(A *a1, A *a2) { |
| // CHECK-LABEL: _Z4copyP1AS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, i64 16, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT6:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA6:![0-9]+]] |
| *a1 = *a2; |
| } |
| |
| struct B { |
| char c; |
| A a; |
| int i; |
| }; |
| |
| void copy2(B *b1, B *b2) { |
| // CHECK-LABEL: _Z5copy2P1BS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(24) %{{.*}}, ptr noundef nonnull align 4 dereferenceable(24) %{{.*}}, i64 24, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT10:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA12:![0-9]+]] |
| *b1 = *b2; |
| } |
| |
| struct S { |
| _Complex char cc; |
| _Complex int ci; |
| }; |
| |
| union U { |
| _Complex int ci; |
| S s; |
| }; |
| |
| void copy3(U *u1, U *u2) { |
| // CHECK-LABEL: _Z5copy3P1US0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %{{.*}}, ptr noundef nonnull align 4 dereferenceable(12) %{{.*}}, i64 12, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT11:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA15:![0-9]+]] |
| *u1 = *u2; |
| } |
| |
| // Make sure that zero-length bitfield works. |
| struct C { |
| char a; |
| int : 0; // Shall not be ignored; see r185018. |
| char b; |
| char c; |
| } __attribute__((ms_struct)); |
| |
| void copy4(C *c1, C *c2) { |
| // CHECK-LABEL: _Z5copy4P1CS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(3) {{.*}}, ptr noundef nonnull align 1 dereferenceable(3) {{.*}}, i64 3, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT12:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA17:![0-9]+]] |
| *c1 = *c2; |
| } |
| |
| struct D { |
| char a; |
| int : 0; |
| char b; |
| char c; |
| }; |
| |
| void copy5(D *d1, D *d2) { |
| // CHECK-LABEL: _Z5copy5P1DS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 1 dereferenceable(6) {{.*}}, ptr noundef nonnull align 1 dereferenceable(6) {{.*}}, i64 6, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT13:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA20:![0-9]+]] |
| *d1 = *d2; |
| } |
| |
| void copy6(AA *a1, A *a2) { |
| // CHECK-LABEL: _Z5copy6P1AS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, i64 16, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT6]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA23:![0-9]+]] |
| *a1 = *a2; |
| } |
| |
| void copy7(A *a1, AA *a2) { |
| // CHECK-LABEL: _Z5copy7P1AS0_ |
| // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, ptr noundef nonnull align 4 dereferenceable(16) %{{.*}}, i64 16, i1 false) |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT6]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA23]] |
| *a1 = *a2; |
| } |
| |
| struct NamedBitfields { |
| signed f0 : 9; |
| unsigned f1 : 2; |
| char f2; |
| double f3; |
| }; |
| |
| void copy8(NamedBitfields *a1, NamedBitfields *a2) { |
| // CHECK-LABEL: _Z5copy8P14NamedBitfieldsS0_ |
| // CHECK: tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false), |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT14:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA24:![0-9]+]], !tbaa.struct |
| *a1 = *a2; |
| } |
| |
| struct NamedBitfields2 { |
| char a, b, c; |
| signed f0 : 3; |
| unsigned f1 : 4; |
| char f2 : 7; |
| double f3; |
| unsigned f4 : 4; |
| }; |
| |
| void copy9(NamedBitfields2 *a1, NamedBitfields2 *a2) { |
| // CHECK-LABEL: _Z5copy9P15NamedBitfields2S0_ |
| // CHECK: tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %a1, ptr noundef nonnull align 8 dereferenceable(24) %a2, i64 24, i1 false), |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT17:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA30:![0-9]+]], !tbaa.struct |
| *a1 = *a2; |
| } |
| |
| // Test with unnamed bitfield at the start and in between named ones.. |
| struct NamedBitfields3 { |
| unsigned : 11; |
| signed f0 : 9; |
| char : 2; |
| int f1 : 2; |
| double f2; |
| }; |
| |
| void copy10(NamedBitfields3 *a1, NamedBitfields3 *a2) { |
| // CHECK-LABEL: _Z6copy10P15NamedBitfields3S0_ |
| // CHECK: tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false), |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT18:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA33:![0-9]+]], !tbaa.struct |
| *a1 = *a2; |
| } |
| |
| union U2 { |
| double d; |
| float f; |
| }; |
| |
| struct UnionMember1 { |
| U2 u; |
| int p; |
| }; |
| |
| void copy11(UnionMember1 *a1, UnionMember1 *a2) { |
| // CHECK-LABEL: _Z6copy11P12UnionMember1S0_ |
| // CHECK: tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false), |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT19:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA37:![0-9]+]], !tbaa.struct |
| *a1 = *a2; |
| } |
| |
| struct UnionMember2 { |
| int p; |
| U2 u; |
| }; |
| |
| void copy12(UnionMember2 *a1, UnionMember2 *a2) { |
| // CHECK-LABEL: _Z6copy12P12UnionMember2S0_ |
| // CHECK: tail call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %a1, ptr noundef nonnull align 8 dereferenceable(16) %a2, i64 16, i1 false), |
| // CHECK-OLD-SAME: !tbaa.struct [[TBAA_STRUCT20:![0-9]+]] |
| // CHECK-NEW-SAME: !tbaa [[TBAA41:![0-9]+]], !tbaa.struct |
| |
| *a1 = *a2; |
| } |
| |
| // (offset, size) = (0,1) char; (4,2) short; (8,4) int; (12,1) char; (16,4) int; (20,4) int |
| // (offset, size) = (0,8) char; (0,2) char; (4,8) char |
| // CHECK-OLD [[DOUBLE]] = !{!"double", [[CHAR]], i64 0} |
| |
| //. |
| // CHECK-OLD: [[META2:![0-9]+]] = !{[[META3:![0-9]+]], [[META3]], i64 0} |
| // CHECK-OLD: [[META3]] = !{!"int", [[META4:![0-9]+]], i64 0} |
| // CHECK-OLD: [[META4]] = !{!"omnipotent char", [[META5:![0-9]+]], i64 0} |
| // CHECK-OLD: [[META5]] = !{!"Simple C++ TBAA"} |
| // CHECK-OLD: [[TBAA_STRUCT6]] = !{i64 0, i64 2, [[META7:![0-9]+]], i64 4, i64 4, [[META2]], i64 8, i64 1, [[META9:![0-9]+]], i64 12, i64 4, [[META2]]} |
| // CHECK-OLD: [[META7]] = !{[[META8:![0-9]+]], [[META8]], i64 0} |
| // CHECK-OLD: [[META8]] = !{!"short", [[META4]], i64 0} |
| // CHECK-OLD: [[META9]] = !{[[META4]], [[META4]], i64 0} |
| // CHECK-OLD: [[TBAA_STRUCT10]] = !{i64 0, i64 1, [[META9]], i64 4, i64 2, [[META7]], i64 8, i64 4, [[META2]], i64 12, i64 1, [[META9]], i64 16, i64 4, [[META2]], i64 20, i64 4, [[META2]]} |
| // CHECK-OLD: [[TBAA_STRUCT11]] = !{i64 0, i64 12, [[META9]]} |
| // CHECK-OLD: [[TBAA_STRUCT12]] = !{i64 0, i64 1, [[META9]], i64 1, i64 1, [[META9]], i64 2, i64 1, [[META9]]} |
| // CHECK-OLD: [[TBAA_STRUCT13]] = !{i64 0, i64 1, [[META9]], i64 4, i64 1, [[META9]], i64 5, i64 1, [[META9]]} |
| // CHECK-OLD: [[TBAA_STRUCT14]] = !{i64 0, i64 2, [[META9]], i64 2, i64 1, [[META9]], i64 8, i64 8, [[META15:![0-9]+]]} |
| // CHECK-OLD: [[META15]] = !{[[META16:![0-9]+]], [[META16]], i64 0} |
| // CHECK-OLD: [[META16]] = !{!"double", [[META4]], i64 0} |
| // CHECK-OLD: [[TBAA_STRUCT17]] = !{i64 0, i64 1, [[META9]], i64 1, i64 1, [[META9]], i64 2, i64 1, [[META9]], i64 3, i64 2, [[META9]], i64 8, i64 8, [[META15]], i64 16, i64 1, [[META9]]} |
| // CHECK-OLD: [[TBAA_STRUCT18]] = !{i64 0, i64 4, [[META9]], i64 8, i64 8, [[META15]]} |
| // CHECK-OLD: [[TBAA_STRUCT19]] = !{i64 0, i64 8, [[META9]], i64 8, i64 4, [[META2]]} |
| // CHECK-OLD: [[TBAA_STRUCT20]] = !{i64 0, i64 4, [[META2]], i64 8, i64 8, [[META9]]} |
| //. |
| // CHECK-NEW: [[META2:![0-9]+]] = !{[[META3:![0-9]+]], [[META3]], i64 0, i64 4} |
| // CHECK-NEW: [[META3]] = !{[[META4:![0-9]+]], i64 4, !"int"} |
| // CHECK-NEW: [[META4]] = !{[[META5:![0-9]+]], i64 1, !"omnipotent char"} |
| // CHECK-NEW: [[META5]] = !{!"Simple C++ TBAA"} |
| // CHECK-NEW: [[TBAA6]] = !{[[META7:![0-9]+]], [[META7]], i64 0, i64 16} |
| // CHECK-NEW: [[META7]] = !{[[META4]], i64 16, !"_ZTS1A", [[META8:![0-9]+]], i64 0, i64 2, [[META3]], i64 4, i64 4, [[META4]], i64 8, i64 1, [[META3]], i64 12, i64 4} |
| // CHECK-NEW: [[META8]] = !{[[META4]], i64 2, !"short"} |
| // CHECK-NEW: [[TBAA12]] = !{[[META13:![0-9]+]], [[META13]], i64 0, i64 24} |
| // CHECK-NEW: [[META13]] = !{[[META4]], i64 24, !"_ZTS1B", [[META4]], i64 0, i64 1, [[META7]], i64 4, i64 16, [[META3]], i64 20, i64 4} |
| // CHECK-NEW: [[TBAA15]] = !{[[META4]], [[META4]], i64 0, i64 12} |
| // CHECK-NEW: [[TBAA17]] = !{[[META18:![0-9]+]], [[META18]], i64 0, i64 3} |
| // CHECK-NEW: [[META18]] = !{[[META4]], i64 3, !"_ZTS1C", [[META4]], i64 0, i64 1, [[META4]], i64 1, i64 1, [[META4]], i64 2, i64 1} |
| // CHECK-NEW: [[TBAA20]] = !{[[META21:![0-9]+]], [[META21]], i64 0, i64 6} |
| // CHECK-NEW: [[META21]] = !{[[META4]], i64 6, !"_ZTS1D", [[META4]], i64 0, i64 1, [[META4]], i64 4, i64 1, [[META4]], i64 5, i64 1} |
| // CHECK-NEW: [[TBAA23]] = !{[[META4]], [[META4]], i64 0, i64 0} |
| // CHECK-NEW: [[TBAA24]] = !{[[META25:![0-9]+]], [[META25]], i64 0, i64 16} |
| // CHECK-NEW: [[META25]] = !{[[META4]], i64 16, !"_ZTS14NamedBitfields", [[META3]], i64 0, i64 4, [[META3]], i64 1, i64 4, [[META4]], i64 2, i64 1, [[META26:![0-9]+]], i64 8, i64 8} |
| // CHECK-NEW: [[META26]] = !{[[META4]], i64 8, !"double"} |
| // CHECK-NEW: [[TBAA30]] = !{[[META31:![0-9]+]], [[META31]], i64 0, i64 24} |
| // CHECK-NEW: [[META31]] = !{[[META4]], i64 24, !"_ZTS15NamedBitfields2", [[META4]], i64 0, i64 1, [[META4]], i64 1, i64 1, [[META4]], i64 2, i64 1, [[META3]], i64 3, i64 4, [[META3]], i64 3, i64 4, [[META4]], i64 4, i64 1, [[META26]], i64 8, i64 8, [[META3]], i64 16, i64 4} |
| // CHECK-NEW: [[TBAA33]] = !{[[META34:![0-9]+]], [[META34]], i64 0, i64 16} |
| // CHECK-NEW: [[META34]] = !{[[META4]], i64 16, !"_ZTS15NamedBitfields3", [[META3]], i64 1, i64 4, [[META3]], i64 2, i64 4, [[META26]], i64 8, i64 8} |
| // CHECK-NEW: [[TBAA37]] = !{[[META38:![0-9]+]], [[META38]], i64 0, i64 16} |
| // CHECK-NEW: [[META38]] = !{[[META4]], i64 16, !"_ZTS12UnionMember1", [[META4]], i64 0, i64 8, [[META3]], i64 8, i64 4} |
| // CHECK-NEW: [[TBAA41]] = !{[[META42:![0-9]+]], [[META42]], i64 0, i64 16} |
| // CHECK-NEW: [[META42]] = !{[[META4]], i64 16, !"_ZTS12UnionMember2", [[META3]], i64 0, i64 4, [[META4]], i64 8, i64 8} |
| //. |
