[PATCH] D42602: [PowerPC] Reduce stack frame for fastcc functions by only allocating parameter save area when needed

[Lei Huang via Phabricator via llvm-commits]

lei updated this revision to Diff 133555.
lei added a comment.

Add test case for pass byval parameter where we don't need the parameter save area.


https://reviews.llvm.org/D42602

Files:
  lib/Target/PowerPC/PPCISelLowering.cpp
  test/CodeGen/PowerPC/fastcc_stacksize.ll

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