// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=bool,enum | FileCheck %s enum E { a = 1, b = 2, c = 3 }; struct S { E e1 : 10; }; // CHECK-LABEL: define i32 @_Z4loadP1S E load(S *s) { // CHECK: [[LOAD:%.*]] = load i16, i16* {{.*}} // CHECK: [[CLEAR:%.*]] = and i16 [[LOAD]], 1023 // CHECK: [[CAST:%.*]] = zext i16 [[CLEAR]] to i32 // CHECK: icmp ule i32 [[CAST]], 3, !nosanitize // CHECK: call void @__ubsan_handle_load_invalid_value return s->e1; } struct Bool { bool b1 : 1; bool b2 : 7; bool b3 : 16; }; // CHECK-LABEL: define zeroext i1 @_Z13load_cpp_boolP4Bool bool load_cpp_bool(Bool *b) { // CHECK-NOT: call void @__ubsan_handle_load_invalid_value // CHECK-NOT: !nosanitize return b->b1 || b->b2 || b->b3; } |