08b434f450
resulting to lazy logic. This is critical for the OSAtomicChecker that does a simulated load on any arbitrary expression. llvm-svn: 130292
20 lines
908 B
C++
20 lines
908 B
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin9 -analyze -analyzer-checker=core,osx -analyzer-store=region -verify -fblocks -analyzer-opt-analyze-nested-blocks %s
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// Test handling of OSAtomicCompareAndSwap when C++ inserts "no-op" casts and we
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// do a forced load and binding to the environment on an expression that would regularly
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// not have an environment binding. This previously triggered a crash (<rdar://problem/9339920>).
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// NOTE: It is critical that the function called is OSAtomicCompareAndSwapIntBarrier.
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bool OSAtomicCompareAndSwapIntBarrier( int __oldValue, int __newValue, volatile int *__theValue ) ;
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static int _rdar9339920_x = 0;
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int rdar9339920_aux();
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int rdar9339920_test() {
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int rdar9339920_x = rdar9339920_aux();
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if (rdar9339920_x != _rdar9339920_x) {
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if (OSAtomicCompareAndSwapIntBarrier(_rdar9339920_x, rdar9339920_x, &_rdar9339920_x))
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return 1;
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}
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return 0;
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}
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