Update optimization passes to handle inalloca arguments
Summary:
I searched Transforms/ and Analysis/ for 'ByVal' and updated those call
sites to check for inalloca if appropriate.
I added tests for any change that would allow an optimization to fire on
inalloca.
Reviewers: nlewycky
Differential Revision: http://llvm-reviews.chandlerc.com/D2449
llvm-svn: 200281
diff --git a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 911c14e..81dbd32 100644
--- a/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/llvm/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -378,7 +378,7 @@
I != E; ++I) {
Argument *Arg = I;
- if (Arg->use_empty() && !Arg->hasByValAttr())
+ if (Arg->use_empty() && !Arg->hasByValOrInAllocaAttr())
UnusedArgs.push_back(Arg->getArgNo());
}