Instead of printing unnecessary basic block labels as labels in
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.
Also, factor out the relevant code out of all the targets and into
target-independent code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 00f3980..f149f10 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1623,8 +1623,15 @@
if (unsigned Align = MBB->getAlignment())
EmitAlignment(Log2_32(Align));
- GetMBBSymbol(MBB->getNumber())->print(O, MAI);
- O << ':';
+ if (MBB->pred_empty() || MBB->isOnlyReachableByFallthrough()) {
+ if (VerboseAsm)
+ O << MAI->getCommentString() << " BB#" << MBB->getNumber() << ':';
+ } else {
+ GetMBBSymbol(MBB->getNumber())->print(O, MAI);
+ O << ':';
+ if (!VerboseAsm)
+ O << '\n';
+ }
if (VerboseAsm) {
if (const BasicBlock *BB = MBB->getBasicBlock())
@@ -1635,6 +1642,7 @@
}
EmitComments(*MBB);
+ O << '\n';
}
}