Emit .line debug directives for stoppoints. The debug location is retrieved by the MachineInstr itself, rather than by custom handling the DBG_STOPPOINT nodes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68602 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PIC16/PIC16AsmPrinter.cpp b/lib/Target/PIC16/PIC16AsmPrinter.cpp
index 109504e..2af42cd 100644
--- a/lib/Target/PIC16/PIC16AsmPrinter.cpp
+++ b/lib/Target/PIC16/PIC16AsmPrinter.cpp
@@ -113,6 +113,8 @@
SectionFlags::Code);
O << "\n";
SwitchToSection (fCodeSection);
+
+ // Emit the frame address of the function at the beginning of code.
O << CurrentFnName << ":\n";
O << " retlw low(" << CurrentFnName << ".frame)\n";
O << " retlw high(" << CurrentFnName << ".frame)\n";
@@ -127,10 +129,23 @@
O << '\n';
}
CurBank = "";
+
+ // For emitting line directives, we need to keep track of the current
+ // source line. When it changes then only emit the line directive.
+ unsigned CurLine = 0;
for (MachineBasicBlock::const_iterator II = I->begin(), E = I->end();
II != E; ++II) {
+ // Emit the line directive if source line changed.
+ const DebugLoc DL = II->getDebugLoc();
+ if (!DL.isUnknown()) {
+ unsigned line = MF.getDebugLocTuple(DL).Line;
+ if (line != CurLine) {
+ O << "\t.line " << line << "\n";
+ CurLine = line;
+ }
+ }
// Print the assembly for the instruction.
- printMachineInstruction(II);
+ printMachineInstruction(II);
}
}
return false; // we didn't modify anything.