39 lines · cpp
1// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -o - %s | FileCheck %s2// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -fsanitize-memory-param-retval -o - %s | FileCheck %s3 4// no-sanitize-memory-param-retval does NOT conflict with enable-noundef-analysis5// RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -fno-sanitize-memory-param-retval -o - %s | FileCheck %s6 7union u1 {8 int val;9};10 11// CHECK: @indirect_callee_int_ptr = [[GLOBAL:(dso_local )?global]] ptr12int (*indirect_callee_int_ptr)(int);13// CHECK: @indirect_callee_union_ptr = [[GLOBAL]] ptr14union u1 (*indirect_callee_union_ptr)(union u1);15 16// CHECK: [[DEF:define( dso_local)?]] noundef i32 @{{.*}}indirect_callee_int{{.*}}(i32 noundef %17int indirect_callee_int(int a) { return a; }18// CHECK: [[DEF]] i32 @{{.*}}indirect_callee_union{{.*}}(i32 %19union u1 indirect_callee_union(union u1 a) {20 return a;21}22 23int main() {24 // CHECK: call noundef i32 @{{.*}}indirect_callee_int{{.*}}(i32 noundef 0)25 indirect_callee_int(0);26 // CHECK: call i32 @{{.*}}indirect_callee_union{{.*}}(i32 %27 indirect_callee_union((union u1){0});28 29 indirect_callee_int_ptr = indirect_callee_int;30 indirect_callee_union_ptr = indirect_callee_union;31 32 // CHECK: call noundef i32 %{{.*}}(i32 noundef 0)33 indirect_callee_int_ptr(0);34 // CHECK: call i32 %{{.*}}(i32 %35 indirect_callee_union_ptr((union u1){});36 37 return 0;38}39