[compiler-rt] r231712 - Revert "Revert "[UBSan] Add testcases for -fsanitize=shift-base and -fsanitize=shift-exponent.""

[Alexey Samsonov]

Author: samsonov
Date: Mon Mar  9 16:50:40 2015
New Revision: 231712

URL: http://llvm.org/viewvc/llvm-project?rev=231712&view=rev
Log:
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.

Modified:
    compiler-rt/trunk/test/ubsan/TestCases/Integer/shift.cpp

Modified: compiler-rt/trunk/test/ubsan/TestCases/Integer/shift.cpp
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/ubsan/TestCases/Integer/shift.cpp?rev=231712&r1=231711&r2=231712&view=diff
==============================================================================
--- compiler-rt/trunk/test/ubsan/TestCases/Integer/shift.cpp (original)
+++ compiler-rt/trunk/test/ubsan/TestCases/Integer/shift.cpp Mon Mar  9 16:50:40 2015
@@ -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 %s -o %t && %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 %s -o %t && %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 %s -o %t && %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 %s -o %t && %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 %s -o %t && %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-TOO_HIGH
+// 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 -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-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 -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 -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 -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-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 -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 -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 -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>
 
@@ -20,18 +27,19 @@ int main() {
   b <<= 1; // still ok, unsigned
 
 #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;
 #endif
 
 #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);
 #endif
 
 #ifdef TOO_HIGH
   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;
 #endif
 }