From: Duncan Sands <baldrick@free.fr>
Date: Sun, 31 Oct 2010 10:29:14 +0000 (+0000)
Subject: Explain the return value of CCAssignFn.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0acfa8db3f7a76fe670b69392134fb6760e5e47e;p=oota-llvm.git

Explain the return value of CCAssignFn.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117854 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/CodeGen/CallingConvLower.h b/include/llvm/CodeGen/CallingConvLower.h
index 6fb843641dc..a47512c4b0e 100644
--- a/include/llvm/CodeGen/CallingConvLower.h
+++ b/include/llvm/CodeGen/CallingConvLower.h
@@ -129,7 +129,7 @@ public:
 };
 
 /// CCAssignFn - This function assigns a location for Val, updating State to
-/// reflect the change.
+/// reflect the change.  It returns 'true' if it failed to handle Val.
 typedef bool CCAssignFn(unsigned ValNo, EVT ValVT,
                         EVT LocVT, CCValAssign::LocInfo LocInfo,
                         ISD::ArgFlagsTy ArgFlags, CCState &State);