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| author | David Blaikie <dblaikie@gmail.com> | 2012-08-21 18:54:21 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2012-08-21 18:54:21 +0000 |
| commit | 74169b293f2fc8767db3c659fde6b001b7d5075f (patch) | |
| tree | b678255ae9c4f49cb30cc9641421117de073169e /include | |
| parent | 799aacfb27ac51417ad17f4548b9f7743f946e66 (diff) | |
Provide a portability macro for __builtin_trap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162300 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Support/Compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h index 4469ae31de..ea0a4da27f 100644 --- a/include/llvm/Support/Compiler.h +++ b/include/llvm/Support/Compiler.h @@ -187,4 +187,13 @@ # define LLVM_BUILTIN_UNREACHABLE __builtin_unreachable() #endif +// LLVM_BUILTIN_TRAP - On compilers which support it, expands to an expression +// which causes the program to exit abnormally. +#if defined(__clang__) || (__GNUC__ > 4) \ + || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3) +# define LLVM_BUILTIN_TRAP __builtin_trap() +#else +# define LLVM_BUILTIN_TRAP *(volatile int*)0x11 = 0 +#endif + #endif |