Clang Project

clang_source_code/test/CodeGen/catch-alignment-assumption-openmp.cpp
1// RUN: %clang_cc1 -fopenmp-simd -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s --check-prefixes=CHECK,CHECK-NOSANITIZE
2// 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
3// 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
4// 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
5
6// CHECK-SANITIZE-ANYRECOVER: @[[CHAR:.*]] = {{.*}} c"'char *'\00" }
7// CHECK-SANITIZE-ANYRECOVER: @[[LINE_100_ALIGNMENT_ASSUMPTION:.*]] = {{.*}}, i32 100, i32 30 }, {{.*}}* @[[CHAR]] }
8
9void func(char *data) {
10  // CHECK: define void @{{.*}}(i8* %[[DATA:.*]])
11  // CHECK-NEXT: [[ENTRY:.*]]:
12  // CHECK-NEXT:   %[[DATA_ADDR:.*]] = alloca i8*, align 8
13  // CHECK:   store i8* %[[DATA]], i8** %[[DATA_ADDR]], align 8
14  // CHECK:   %[[DATA_RELOADED:.*]] = load i8*, i8** %[[DATA_ADDR]], align 8
15  // CHECK-NEXT:   %[[PTRINT:.*]] = ptrtoint i8* %[[DATA_RELOADED]] to i64
16  // CHECK-NEXT:   %[[MASKEDPTR:.*]] = and i64 %[[PTRINT]], 1073741823
17  // CHECK-NEXT:   %[[MASKCOND:.*]] = icmp eq i64 %[[MASKEDPTR]], 0
18  // CHECK-SANITIZE-NEXT:               %[[PTRINT_DUP:.*]] = ptrtoint i8* %[[DATA_RELOADED]] to i64, !nosanitize
19  // CHECK-SANITIZE-NEXT:               br i1 %[[MASKCOND]], label %[[CONT:.*]], label %[[HANDLER_ALIGNMENT_ASSUMPTION:[^,]+]],{{.*}} !nosanitize
20  // CHECK-SANITIZE:                  [[HANDLER_ALIGNMENT_ASSUMPTION]]:
21  // CHECK-SANITIZE-NORECOVER-NEXT:     call void @__ubsan_handle_alignment_assumption_abort(i8* bitcast ({ {{{.*}}}, {{{.*}}}, {{{.*}}}* }* @[[LINE_100_ALIGNMENT_ASSUMPTION]] to i8*), i64 %[[PTRINT_DUP]], i64 1073741824, i64 0){{.*}}, !nosanitize
22  // CHECK-SANITIZE-RECOVER-NEXT:       call void @__ubsan_handle_alignment_assumption(i8* bitcast ({ {{{.*}}}, {{{.*}}}, {{{.*}}}* }* @[[LINE_100_ALIGNMENT_ASSUMPTION]] to i8*), i64 %[[PTRINT_DUP]], i64 1073741824, i64 0){{.*}}, !nosanitize
23  // CHECK-SANITIZE-TRAP-NEXT:          call void @llvm.trap(){{.*}}, !nosanitize
24  // CHECK-SANITIZE-UNREACHABLE-NEXT:   unreachable, !nosanitize
25  // CHECK-SANITIZE:                  [[CONT]]:
26  // CHECK-NEXT:                        call void @llvm.assume(i1 %[[MASKCOND]])
27
28#line 100
29#pragma omp for simd aligned(data : 0x40000000)
30  for (int x = 0; x < 1; x++)
31    data[x] = data[x];
32}
33