[llvm-commits] [llvm] r133858 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Chad Rosier]

Author: mcrosier
Date: Fri Jun 24 21:04:56 2011
New Revision: 133858

URL: http://llvm.org/viewvc/llvm-project?rev=133858&view=rev
Log:
Enable tail call optimization in the presence of a byval (x86-32 and x86-64).
<rdar://problem/9483883>

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=133858&r1=133857&r2=133858&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jun 24 21:04:56 2011
@@ -2505,6 +2505,10 @@
     if (!FINode)
       return false;
     FI = FINode->getIndex();
+  } else if (Arg.getOpcode() == ISD::FrameIndex && Flags.isByVal()) {
+    FrameIndexSDNode *FINode = dyn_cast<FrameIndexSDNode>(Arg);
+    FI = FINode->getIndex();
+    Bytes = Flags.getByValSize();
   } else
     return false;