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| author | Chris Lattner <sabre@nondot.org> | 2004-11-13 23:27:11 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2004-11-13 23:27:11 +0000 |
| commit | 56c4c99cca8704b276fc2c4e6c4a7da86fae5975 (patch) | |
| tree | f5ad4639bece765c42fd70115eec2aac723770c0 /llvm/lib/Target/X86/X86AsmPrinter.cpp | |
| parent | 79d046ba706ae530ab987b19433a551efdfabb8a (diff) | |
| download | bcm5719-llvm-56c4c99cca8704b276fc2c4e6c4a7da86fae5975.tar.gz bcm5719-llvm-56c4c99cca8704b276fc2c4e6c4a7da86fae5975.zip | |
Don't print unneeded labels
llvm-svn: 17714
Diffstat (limited to 'llvm/lib/Target/X86/X86AsmPrinter.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86AsmPrinter.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86AsmPrinter.cpp b/llvm/lib/Target/X86/X86AsmPrinter.cpp index 0ec55702539..a57c2fe6799 100644 --- a/llvm/lib/Target/X86/X86AsmPrinter.cpp +++ b/llvm/lib/Target/X86/X86AsmPrinter.cpp @@ -242,9 +242,10 @@ bool X86IntelAsmPrinter::runOnMachineFunction(MachineFunction &MF) { // Print out code for the function. for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); I != E; ++I) { - // Print a label for the basic block. - O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t" - << CommentString << " " << I->getBasicBlock()->getName() << "\n"; + // Print a label for the basic block if there are any predecessors. + if (I->pred_begin() != I->pred_end()) + O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t" + << CommentString << " " << I->getBasicBlock()->getName() << "\n"; for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); II != E; ++II) { // Print the assembly for the instruction. @@ -465,8 +466,9 @@ bool X86ATTAsmPrinter::runOnMachineFunction(MachineFunction &MF) { for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); I != E; ++I) { // Print a label for the basic block. - O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t" - << CommentString << " " << I->getBasicBlock()->getName() << "\n"; + if (I->pred_begin() != I->pred_end()) + O << ".LBB" << CurrentFnName << "_" << I->getNumber() << ":\t" + << CommentString << " " << I->getBasicBlock()->getName() << "\n"; for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end(); II != E; ++II) { // Print the assembly for the instruction. |
