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| author | Dale Johannesen <dalej@apple.com> | 2009-09-24 18:38:21 +0000 |
|---|---|---|
| committer | Dale Johannesen <dalej@apple.com> | 2009-09-24 18:38:21 +0000 |
| commit | 68f971b1d67d51272f5c141fc9e4740e27e279f4 (patch) | |
| tree | f55ebbcbd8592791d51919c20746d4915868e8b3 /llvm/docs | |
| parent | 21bd8c9fc5e3a17b0d593c5b6f9c66c353a2eed8 (diff) | |
| download | bcm5719-llvm-68f971b1d67d51272f5c141fc9e4740e27e279f4.tar.gz bcm5719-llvm-68f971b1d67d51272f5c141fc9e4740e27e279f4.zip | |
Clarify that llvm attaches C language semantics to
functions with names that match the C library.
llvm-svn: 82701
Diffstat (limited to 'llvm/docs')
| -rw-r--r-- | llvm/docs/LangRef.html | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/docs/LangRef.html b/llvm/docs/LangRef.html index bdc9e170642..1331b021c10 100644 --- a/llvm/docs/LangRef.html +++ b/llvm/docs/LangRef.html @@ -5045,6 +5045,13 @@ Loop: ; Infinite loop that counts from 0 on up... %ZZ = call zeroext i32 @bar() <i>; Return value is %zero extended</i> </pre> +<p>llvm treats calls to some functions with names and arguments that match the +standard C library as being the C library functions, and may perform +optimizations or generate code for them under that assumption. These +functions currently include: +acos, asin, atan, atan2, ceil, cos, cosf, cosh, exp, fabs, floor, fmod, log, +log10, malloc, pow, sin, sinh, sqrt, sqrtf, sin, sinf, tan, tanh.</p> + </div> <!-- _______________________________________________________________________ --> |
