Add a debug dump for DbgValueHistoryMap
This makes it easier to inspect the results of
DbgValueHistoryCalculator.
Differential Revision: https://reviews.llvm.org/D47663
llvm-svn: 333801
diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
index edf66e93..82e14dc 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
@@ -25,6 +25,8 @@
using namespace llvm;
+#define DEBUG_TYPE "dwarfdebug"
+
Optional<DbgVariableLocation>
DbgVariableLocation::extractFromMachineInstruction(
const MachineInstr &Instruction) {
@@ -190,6 +192,7 @@
assert(DbgValues.empty() && "DbgValues map wasn't cleaned!");
calculateDbgValueHistory(MF, Asm->MF->getSubtarget().getRegisterInfo(),
DbgValues);
+ LLVM_DEBUG(DbgValues.dump());
// Request labels for the full history.
for (const auto &I : DbgValues) {