1 // RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -o - %s | FileCheck %s 2 // RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -fsanitize-memory-param-retval -o - %s | FileCheck %s 3 4 // no-sanitize-memory-param-retval does NOT conflict with enable-noundef-analysis 5 // RUN: %clang_cc1 -x c++ -triple x86_64-unknown-unknown -O0 -emit-llvm -fno-sanitize-memory-param-retval -o - %s | FileCheck %s 6 7 union u1 { 8 int val; 9 }; 10 11 // CHECK: @indirect_callee_int_ptr = [[GLOBAL:(dso_local )?global]] ptr 12 int (*indirect_callee_int_ptr)(int); 13 // CHECK: @indirect_callee_union_ptr = [[GLOBAL]] ptr 14 union u1 (*indirect_callee_union_ptr)(union u1); 15 16 // CHECK: [[DEF:define( dso_local)?]] noundef i32 @{{.*}}indirect_callee_int{{.*}}(i32 noundef % indirect_callee_int(int a)17int indirect_callee_int(int a) { return a; } 18 // CHECK: [[DEF]] i32 @{{.*}}indirect_callee_union{{.*}}(i32 % indirect_callee_union(union u1 a)19union u1 indirect_callee_union(union u1 a) { 20 return a; 21 } 22 main()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