Author: Florian Hahn Date: 2026-04-01T13:31:09Z New Revision: b46f8fa622ab8edf00e986eed2350f137b5efc0b
URL: https://github.com/llvm/llvm-project/commit/b46f8fa622ab8edf00e986eed2350f137b5efc0b DIFF: https://github.com/llvm/llvm-project/commit/b46f8fa622ab8edf00e986eed2350f137b5efc0b.diff LOG: [Matrix] Add tests checking TBAA emission for matrix types (NFC). (#189953) PR: https://github.com/llvm/llvm-project/pull/189953 Added: clang/test/CodeGen/tbaa-matrix.c Modified: Removed: ################################################################################ diff --git a/clang/test/CodeGen/tbaa-matrix.c b/clang/test/CodeGen/tbaa-matrix.c new file mode 100644 index 0000000000000..aacf19ceef327 --- /dev/null +++ b/clang/test/CodeGen/tbaa-matrix.c @@ -0,0 +1,121 @@ +// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 6 +// RUN: %clang_cc1 -O1 -fenable-matrix -triple x86_64-linux \ +// RUN: -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s +// +// Check that we generate correct TBAA information for accesses to matrix types. + +typedef double dx5x5_t __attribute__((matrix_type(5, 5))); +typedef float fx2x3_t __attribute__((matrix_type(2, 3))); +typedef int ix3x3_t __attribute__((matrix_type(3, 3))); + +// CHECK-LABEL: define dso_local void @load_double_matrix( +// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0:[0-9]+]] { +// CHECK-NEXT: [[ENTRY:.*:]] +// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5:![0-9]+]] +// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP1:%.*]] = load <25 x double>, ptr [[TMP0]], align 8, !tbaa [[CHAR_TBAA7:![0-9]+]] +// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store <25 x double> [[TMP1]], ptr [[TMP2]], align 8, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: ret void +// +void load_double_matrix(dx5x5_t *a, dx5x5_t *b) { + *b = *a; +} + +// CHECK-LABEL: define dso_local void @load_float_matrix( +// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] { +// CHECK-NEXT: [[ENTRY:.*:]] +// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP1:%.*]] = load <6 x float>, ptr [[TMP0]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store <6 x float> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: ret void +// +void load_float_matrix(fx2x3_t *a, fx2x3_t *b) { + *b = *a; +} + +// CHECK-LABEL: define dso_local void @load_int_matrix( +// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] { +// CHECK-NEXT: [[ENTRY:.*:]] +// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP1:%.*]] = load <9 x i32>, ptr [[TMP0]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store <9 x i32> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: ret void +// +void load_int_matrix(ix3x3_t *a, ix3x3_t *b) { + *b = *a; +} + +// Verify that matrix and scalar accesses to the same element type share the +// same TBAA tag. +// CHECK-LABEL: define dso_local void @load_double_matrix_and_scalar( +// CHECK-SAME: ptr noundef [[M:%.*]], ptr noundef [[S:%.*]]) #[[ATTR0]] { +// CHECK-NEXT: [[ENTRY:.*:]] +// CHECK-NEXT: [[M_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[S_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[LOCAL:%.*]] = alloca [25 x double], align 8 +// CHECK-NEXT: [[D:%.*]] = alloca double, align 8 +// CHECK-NEXT: store ptr [[M]], ptr [[M_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store ptr [[S]], ptr [[S_ADDR]], align 8, !tbaa [[DOUBLEPTR_TBAA8:![0-9]+]] +// CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[LOCAL]]) #[[ATTR2:[0-9]+]] +// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[M_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP1:%.*]] = load <25 x double>, ptr [[TMP0]], align 8, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: store <25 x double> [[TMP1]], ptr [[LOCAL]], align 8, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[D]]) #[[ATTR2]] +// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[S_ADDR]], align 8, !tbaa [[DOUBLEPTR_TBAA8]] +// CHECK-NEXT: [[TMP3:%.*]] = load double, ptr [[TMP2]], align 8, !tbaa [[DOUBLE_TBAA10:![0-9]+]] +// CHECK-NEXT: store double [[TMP3]], ptr [[D]], align 8, !tbaa [[DOUBLE_TBAA10]] +// CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[D]]) #[[ATTR2]] +// CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[LOCAL]]) #[[ATTR2]] +// CHECK-NEXT: ret void +// +void load_double_matrix_and_scalar(dx5x5_t *m, double *s) { + dx5x5_t local = *m; + double d = *s; +} + +// Verify that may_alias on the element type is respected for matrix types. +typedef int __attribute__((may_alias)) aliasing_int; +typedef aliasing_int __attribute__((matrix_type(2, 2))) aim_t; + +// CHECK-LABEL: define dso_local void @load_may_alias_matrix( +// CHECK-SAME: ptr noundef [[A:%.*]], ptr noundef [[B:%.*]]) #[[ATTR0]] { +// CHECK-NEXT: [[ENTRY:.*:]] +// CHECK-NEXT: [[A_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: [[B_ADDR:%.*]] = alloca ptr, align 8 +// CHECK-NEXT: store ptr [[A]], ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store ptr [[B]], ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[A_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: [[TMP1:%.*]] = load <4 x i32>, ptr [[TMP0]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: [[TMP2:%.*]] = load ptr, ptr [[B_ADDR]], align 8, !tbaa [[ANYPTR_TBAA5]] +// CHECK-NEXT: store <4 x i32> [[TMP1]], ptr [[TMP2]], align 4, !tbaa [[CHAR_TBAA7]] +// CHECK-NEXT: ret void +// +void load_may_alias_matrix(aim_t *a, aim_t *b) { + *b = *a; +} + +//. +// CHECK: [[META3:![0-9]+]] = !{!"omnipotent char", [[META4:![0-9]+]], i64 0} +// CHECK: [[META4]] = !{!"Simple C/C++ TBAA"} +// CHECK: [[ANYPTR_TBAA5]] = !{[[META6:![0-9]+]], [[META6]], i64 0} +// CHECK: [[META6]] = !{!"any pointer", [[META3]], i64 0} +// CHECK: [[CHAR_TBAA7]] = !{[[META3]], [[META3]], i64 0} +// CHECK: [[DOUBLEPTR_TBAA8]] = !{[[META9:![0-9]+]], [[META9]], i64 0} +// CHECK: [[META9]] = !{!"p1 double", [[META6]], i64 0} +// CHECK: [[DOUBLE_TBAA10]] = !{[[META11:![0-9]+]], [[META11]], i64 0} +// CHECK: [[META11]] = !{!"double", [[META3]], i64 0} +//. _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
