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.
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