OpenE2K/rust
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add a function to check whether a ValueRef is a constant

Browse Source
This commit is contained in:
Björn Steinbrink 2013-07-25 10:51:45 +02:00
parent ba9c3ebc02
commit 75a08622e8
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/librustc/middle/trans/common.rs
View File

@ -850,6 +850,12 @@ pub fn const_get_elt(cx: &CrateContext, v: ValueRef, us: &[c_uint])
} }
} }
pub fn is_const(v: ValueRef) -> bool {
unsafe {
llvm::LLVMIsConstant(v) == True
}
}
pub fn const_to_int(v: ValueRef) -> c_longlong { pub fn const_to_int(v: ValueRef) -> c_longlong {
unsafe { unsafe {
llvm::LLVMConstIntGetSExtValue(v) llvm::LLVMConstIntGetSExtValue(v)