aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/X86
diff options
context:
space:
mode:
authorChris Lattner <sabre@nondot.org>2004-11-13 23:27:11 +0000
committerChris Lattner <sabre@nondot.org>2004-11-13 23:27:11 +0000
commit4b2c09fa2226010285937c0d402a556f3b38f9f8 (patch)
tree2c2d5ff1e5b057c38c7f71f1c3af6ab0fd0cdc6a /lib/Target/X86
parentc7185ac36aced783494d2a3969f81a80f71ed126 (diff)
downloadexternal_llvm-4b2c09fa2226010285937c0d402a556f3b38f9f8.zip
external_llvm-4b2c09fa2226010285937c0d402a556f3b38f9f8.tar.gz
external_llvm-4b2c09fa2226010285937c0d402a556f3b38f9f8.tar.bz2
Don't print unneeded labels
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86')
-rw-r--r--lib/Target/X86/X86AsmPrinter.cpp12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index 0ec5570..a57c2fe 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/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.