maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Revert "Revert "[UBSan] Add testcases for -fsanitize=shift-base and -fsanitize=shift-exponent."" 

Re-land r231151 now that -fsanitize=shift-base implementation should not
introduce undefined behavior.

llvm-svn: 231712
This commit is contained in:
Alexey Samsonov 2015-03-09 21:50:40 +00:00
parent 21d2dda3d2
commit de34ec0193
1 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
compiler-rt/test/ubsan/TestCases/Integer/shift.cpp
View File

@ -1,13 +1,20 @@
// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW // RUN: %clangxx -DLSH_OVERFLOW -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW
// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<=' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW // RUN: %clangxx -DLSH_OVERFLOW -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-LSH_OVERFLOW
// RUN: %clangxx -DTOO_LOW -DOP='<<' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW // RUN: %clangxx -DTOO_LOW -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
// RUN: %clangxx -DTOO_LOW -DOP='>>' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW // RUN: %clangxx -DTOO_LOW -DOP='>>' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
// RUN: %clangxx -DTOO_LOW -DOP='<<=' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW // RUN: %clangxx -DTOO_LOW -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
// RUN: %clangxx -DTOO_LOW -DOP='>>=' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW // RUN: %clangxx -DTOO_LOW -DOP='>>=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_LOW
// RUN: %clangxx -DTOO_HIGH -DOP='<<' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH // RUN: %clangxx -DTOO_HIGH -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
// RUN: %clangxx -DTOO_HIGH -DOP='>>' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH // RUN: %clangxx -DTOO_HIGH -DOP='>>' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
// RUN: %clangxx -DTOO_HIGH -DOP='<<=' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH // RUN: %clangxx -DTOO_HIGH -DOP='<<=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
// RUN: %clangxx -DTOO_HIGH -DOP='>>=' -fsanitize=shift %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH // RUN: %clangxx -DTOO_HIGH -DOP='>>=' -fsanitize=shift -fno-sanitize-recover=shift %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
// RUN: %clangxx -DLSH_OVERFLOW -DOP='<<' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t && %run %t
// RUN: %clangxx -DLSH_OVERFLOW -DOP='>>' -fsanitize=shift-exponent -fno-sanitize-recover=shift %s -o %t && %run %t
// RUN: %clangxx -DTOO_LOW -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t && %run %t
// RUN: %clangxx -DTOO_LOW -DOP='>>' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t && %run %t
// RUN: %clangxx -DTOO_HIGH -DOP='<<' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t && %run %t
// RUN: %clangxx -DTOO_HIGH -DOP='>>' -fsanitize=shift-base -fno-sanitize-recover=shift %s -o %t && %run %t
#include <stdint.h> #include <stdint.h>
@ -20,18 +27,19 @@ int main() {
b <<= 1; // still ok, unsigned b <<= 1; // still ok, unsigned
#ifdef LSH_OVERFLOW #ifdef LSH_OVERFLOW
// CHECK-LSH_OVERFLOW: shift.cpp:24:5: runtime error: left shift of negative value -2147483648 // CHECK-LSH_OVERFLOW: shift.cpp:[[@LINE+1]]:5: runtime error: left shift of negative value -2147483648
a OP 1; a OP 1;
#endif #endif
#ifdef TOO_LOW #ifdef TOO_LOW
// CHECK-TOO_LOW: shift.cpp:29:5: runtime error: shift exponent -3 is negative a = 0;
// CHECK-TOO_LOW: shift.cpp:[[@LINE+1]]:5: runtime error: shift exponent -3 is negative
a OP (-3); a OP (-3);
#endif #endif
#ifdef TOO_HIGH #ifdef TOO_HIGH
a = 0; a = 0;
// CHECK-TOO_HIGH: shift.cpp:35:5: runtime error: shift exponent 32 is too large for 32-bit type 'int' // CHECK-TOO_HIGH: shift.cpp:[[@LINE+1]]:5: runtime error: shift exponent 32 is too large for 32-bit type 'int'
a OP 32; a OP 32;
#endif #endif
} }