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...of the memory object in IR, then have the code generator allocate multiple alloca's with non-overlapping lifetimes to the same stack offset. -Chris -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110817/6071351f/attachment.html>

Following a question on StackOverflow [1], I was wondering if for big allocations, LLVM would "delay" the allocation or rather perform it upfront. The following code was thus submitted to the LLVM Try Out page: void doSomething(char*,char*); void function(bool b) { char b1[1 * 1024]; if( b ) { char b2[1 * 1024]; doSomething(b1, b2); } else { char