blob: 701a0f8700e79b152f4061345e2fc9dbecaa099f [file] [log] [blame]
//===- subzero/crosstest/insertelement.h - Helper for PNaCl workaround. ---===//
// The Subzero Code Generator
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Helper function to work around a potential stack overflow issue.
// Helper function to perform the insertelement bitcode instruction. The PNaCl
// ABI simplifications transform insertelement/extractelement instructions with
// a non-constant index into something involving alloca. This can cause a stack
// overflow if the alloca is inside a loop.
template <typename VectorType, typename ElementType>
void __attribute__((noinline))
setElement(VectorType &Value, size_t Index, ElementType Element) {
Value[Index] = Element;