| // RUN: %clang_cc1 -fopenmp-simd -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s |
| // RUN: %clang_cc1 -fopenmp-simd -fsanitize=alignment -fno-sanitize-recover=alignment -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_alignment_assumption" --check-prefixes=CHECK,CHECK-SANITIZE,CHECK-SANITIZE-ANYRECOVER,CHECK-SANITIZE-NORECOVER,CHECK-SANITIZE-UNREACHABLE |
| // RUN: %clang_cc1 -fopenmp-simd -fsanitize=alignment -fsanitize-recover=alignment -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_alignment_assumption" --check-prefixes=CHECK,CHECK-SANITIZE,CHECK-SANITIZE-ANYRECOVER,CHECK-SANITIZE-RECOVER |
| // RUN: %clang_cc1 -fopenmp-simd -fsanitize=alignment -fsanitize-trap=alignment -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_alignment_assumption" --check-prefixes=CHECK,CHECK-SANITIZE,CHECK-SANITIZE-TRAP,CHECK-SANITIZE-UNREACHABLE |
| |
| // CHECK-SANITIZE-ANYRECOVER: @[[CHAR:.*]] = {{.*}} c"'char *'\00" } |
| // CHECK-SANITIZE-ANYRECOVER: @[[LINE_100_ALIGNMENT_ASSUMPTION:.*]] = {{.*}}, i32 100, i32 30 }, {{.*}} @[[CHAR]] } |
| |
| void func(char *data) { |
| // CHECK: define{{.*}} void @{{.*}}(ptr noundef %[[DATA:.*]]) |
| // CHECK-NEXT: [[ENTRY:.*]]: |
| // CHECK-NEXT: %[[DATA_ADDR:.*]] = alloca ptr, align 8 |
| // CHECK: store ptr %[[DATA]], ptr %[[DATA_ADDR]], align 8 |
| // CHECK: %[[DATA_RELOADED:.*]] = load ptr, ptr %[[DATA_ADDR]], align 8 |
| // CHECK-SANITIZE-NEXT: %[[PTRINT:.*]] = ptrtoint ptr %[[DATA_RELOADED]] to i64 |
| // CHECK-SANITIZE-NEXT: %[[MASKEDPTR:.*]] = and i64 %[[PTRINT]], 4294967295 |
| // CHECK-SANITIZE-NEXT: %[[MASKCOND:.*]] = icmp eq i64 %[[MASKEDPTR]], 0 |
| // CHECK-SANITIZE-NEXT: br i1 %[[MASKCOND]], label %[[CONT:.*]], label %[[HANDLER_ALIGNMENT_ASSUMPTION:[^,]+]],{{.*}} !nosanitize |
| // CHECK-SANITIZE: [[HANDLER_ALIGNMENT_ASSUMPTION]]: |
| // CHECK-SANITIZE-ANYRECOVER-NEXT: %[[PTRINT_DUP:.*]] = ptrtoint ptr %[[DATA_RELOADED]] to i64, !nosanitize |
| // CHECK-SANITIZE-NORECOVER-NEXT: call void @__ubsan_handle_alignment_assumption_abort(ptr @[[LINE_100_ALIGNMENT_ASSUMPTION]], i64 %[[PTRINT_DUP]], i64 4294967296, i64 0){{.*}}, !nosanitize |
| // CHECK-SANITIZE-RECOVER-NEXT: call void @__ubsan_handle_alignment_assumption(ptr @[[LINE_100_ALIGNMENT_ASSUMPTION]], i64 %[[PTRINT_DUP]], i64 4294967296, i64 0){{.*}}, !nosanitize |
| // CHECK-SANITIZE-TRAP-NEXT: call void @llvm.ubsantrap(i8 23){{.*}}, !nosanitize |
| // CHECK-SANITIZE-UNREACHABLE-NEXT: unreachable, !nosanitize |
| // CHECK-SANITIZE: [[CONT]]: |
| // CHECK-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr %[[DATA_RELOADED]], i64 4294967296) ] |
| |
| #line 100 |
| #pragma omp for simd aligned(data : 0x100000000) |
| for (int x = 0; x < 1; x++) |
| data[x] = data[x]; |
| } |
