[llvm-commits] [llvm] r46546 - /llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

[Evan Cheng]

Author: evancheng
Date: Tue Jan 29 21:57:33 2008
New Revision: 46546

URL: http://llvm.org/viewvc/llvm-project?rev=46546&view=rev
Log:
Skip over the label which marks the beginning of the function before inserting prologue code.

Modified:
    llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp

Modified: llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp?rev=46546&r1=46545&r2=46546&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86RegisterInfo.cpp Tue Jan 29 21:57:33 2008
@@ -525,6 +525,12 @@
           X86FI->getCalleeSavedFrameSize() +(-TailCallReturnAddrDelta));
   uint64_t NumBytes = StackSize - X86FI->getCalleeSavedFrameSize();
 
+  // Skip over the label which mark the beginning of the function.
+  if (MMI && MMI->needsFrameInfo() &&
+      MBBI != MBB.end() &&
+      MBBI->getOpcode() == X86::LABEL)
+      ++MBBI;
+
   // Insert stack pointer adjustment for later moving of return addr.  Only
   // applies to tail call optimized functions where the callee argument stack
   // size is bigger than the callers.