On Tue, Oct 7, 2008 at 3:01 PM, Jonathan S. Shapiro <shap at eros-os.com> wrote: > In alloca, is it required that NumElements be a literal integer, or can > it be a computed result? The LLVM alloca instruction works with non-constant integers. It's used for stuff like calls to the alloca function and VLAs in llvm-gcc. -Eli