Author: evancheng Date: Wed Jan 30 21:33:38 2008 New Revision: 46596 URL: http://llvm.org/viewvc/llvm-project?rev=46596&view=rev Log: Makes the same change in ppc backend: avoid inserting prologue before debug labels.
Modified: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp Modified: llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp?rev=46596&r1=46595&r2=46596&view=diff ============================================================================== --- llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp (original) +++ llvm/trunk/lib/Target/PowerPC/PPCRegisterInfo.cpp Wed Jan 30 21:33:38 2008 @@ -712,6 +712,16 @@ // Prepare for frame info. unsigned FrameLabelId = 0; + // Skip over the labels which mark the beginning of the function. + if (MMI && MMI->needsFrameInfo()) { + unsigned NumLabels = 0; + while (NumLabels <= 1 && + MBBI != MBB.end() && MBBI->getOpcode() == PPC::LABEL) { + ++NumLabels; + ++MBBI; + } + } + // Scan the prolog, looking for an UPDATE_VRSAVE instruction. If we find it, // process it. for (unsigned i = 0; MBBI != MBB.end(); ++i, ++MBBI) { _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits