19af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -m64 -O0 %s -o %t && not %t >%t.out 2>&1 29af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out 39af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -m64 -O1 %s -o %t && not %t >%t.out 2>&1 49af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out 59af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -m64 -O2 %s -o %t && not %t >%t.out 2>&1 69af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out 79af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -m64 -O3 %s -o %t && not %t >%t.out 2>&1 89af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out 99af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov 109af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -o %t && not %t >%t.out 2>&1 119af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out 129af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O1 %s -o %t && not %t >%t.out 2>&1 139af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out 149af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O2 %s -o %t && not %t >%t.out 2>&1 159af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out 169af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O3 %s -o %t && not %t >%t.out 2>&1 179af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov// RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out 189af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov 199af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov#include <stdlib.h> 209af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanovint main(int argc, char **argv) { 219af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov char *volatile x = (char*)malloc(5 * sizeof(char)); 229af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov if (*x) 239af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov exit(0); 246ac157da0bcbd2951ee110d8da27eb188d2a3cd7Evgeniy Stepanov // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value 259af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov // CHECK: {{#0 0x.* in main .*heap-origin.cc:}}[[@LINE-3]] 269af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov 279af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov // CHECK-ORIGINS: Uninitialized value was created by a heap allocation 289af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov // CHECK-ORIGINS: {{#0 0x.* in .*malloc}} 299af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov // CHECK-ORIGINS: {{#1 0x.* in main .*heap-origin.cc:}}[[@LINE-8]] 309af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov 319af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*heap-origin.cc:.* main}} 329af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov return 0; 339af86761268fb0b0a1a5295370f68a503c8d38b5Evgeniy Stepanov} 34