1 // RUN: %clang_cc1 -fno-builtin -O1 -S -o - %s | FileCheck %s 2 // RUN: %clang_cc1 -fno-builtin-memset -O1 -S -o - %s | FileCheck -check-prefix=MEMSET %s 3 PR13497()4 void PR13497() { 5 char content[2]; 6 // make sure we don't optimize this call to strcpy() 7 // CHECK: __strcpy_chk 8 __builtin___strcpy_chk(content, "", 1); 9 } 10 PR4941(char * s)11 void PR4941(char *s) { 12 // Make sure we don't optimize this loop to a memset(). 13 // MEMSET-LABEL: PR4941: 14 // MEMSET-NOT: memset 15 for (unsigned i = 0; i < 8192; ++i) 16 s[i] = 0; 17 } 18