[llvm-commits] [llvm] r52921 - /llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp

[Dale Johannesen]

Author: johannes
Date: Mon Jun 30 15:40:16 2008
New Revision: 52921

URL: http://llvm.org/viewvc/llvm-project?rev=52921&view=rev
Log:
No need to align the stack if there are no stack
objects.  Fixes a couple of tests on Linux.


Modified:
    llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp

Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=52921&r1=52920&r2=52921&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Mon Jun 30 15:40:16 2008
@@ -464,7 +464,8 @@
   // works.
   if (!RegInfo->targetHandlesStackFrameRounding() &&
       (FFI->hasCalls() || FFI->hasVarSizedObjects() || 
-       RegInfo->needsStackRealignment(Fn))) {
+       (RegInfo->needsStackRealignment(Fn) &&
+        FFI->getObjectIndexEnd() != 0))) {
     // If we have reserved argument space for call sites in the function
     // immediately on entry to the current function, count it as part of the
     // overall stack size.