[PATCH] [ARM] Align stack objects passed to functions

[Renato Golin]

REPOSITORY
  rL LLVM

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Comment at: lib/CodeGen/CodeGenPrepare.cpp:1236
@@ +1235,3 @@
+  unsigned AllocaSize = 0, AllocaAlign = 0;
+  if (TLI && TD && TLI->shouldAlignAllocaArgs(CI, AllocaSize, AllocaAlign)) {
+    assert(AllocaAlign != 0 && "shouldAlignAllocaArgs must set AllocaAlign");
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I'm a bit averse of setting parameters for the computation inside a conditional and having to assert right after every call. I'd rather have (or reuse) some default size/alignment parameters from elsewhere.

http://reviews.llvm.org/D7908

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