[PATCH] [PATCH 1/2] Add a "probe-stack" attribute

[John Kåre Alsaker]

http://reviews.llvm.org/D9653

Files:
  lib/Transforms/IPO/Inliner.cpp

Index: lib/Transforms/IPO/Inliner.cpp
===================================================================
--- lib/Transforms/IPO/Inliner.cpp
+++ lib/Transforms/IPO/Inliner.cpp
@@ -132,6 +132,12 @@
 
   AdjustCallerSSPLevel(Caller, Callee);
 
+  // If the callee requires stack probes, we ensure that the caller will
+  // require those too
+  if (Callee->hasFnAttribute("probe-stack")) {
+    Caller->addFnAttr("probe-stack", "");
+  }
+
   // Look at all of the allocas that we inlined through this call site.  If we
   // have already inlined other allocas through other calls into this function,
   // then we know that they have disjoint lifetimes and that we can merge them.

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