[llvm] f27cea7 - Add way to omit debug-location from MIR output

[Daniel Sanders via llvm-commits]

Author: Daniel Sanders
Date: 2020-04-06T16:22:01-07:00
New Revision: f27cea721e5893c112edfe1136973ed77064580b

URL: https://github.com/llvm/llvm-project/commit/f27cea721e5893c112edfe1136973ed77064580b
DIFF: https://github.com/llvm/llvm-project/commit/f27cea721e5893c112edfe1136973ed77064580b.diff

LOG: Add way to omit debug-location from MIR output

Summary:
In lieu of a proper pass that strips debug info, add a way
to omit debug-locations from the MIR output so that
instructions with MMO's continue to match CHECK's when
mir-debugify is used

Reviewers: aprantl, bogner, vsk

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77575

Added: 
    

Modified: 
    llvm/lib/CodeGen/MIRPrinter.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
index 58eb720ca799..0853181e7426 100644
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -79,6 +79,9 @@ static cl::opt<bool> SimplifyMIR(
     "simplify-mir", cl::Hidden,
     cl::desc("Leave out unnecessary information when printing MIR"));
 
+static cl::opt<bool> PrintLocations("mir-debug-loc", cl::Hidden, cl::init(true),
+                                    cl::desc("Print MIR debug-locations"));
+
 namespace {
 
 /// This structure describes how to print out stack object references.
@@ -819,11 +822,13 @@ void MIPrinter::print(const MachineInstr &MI) {
     NeedComma = true;
   }
 
-  if (const DebugLoc &DL = MI.getDebugLoc()) {
-    if (NeedComma)
-      OS << ',';
-    OS << " debug-location ";
-    DL->printAsOperand(OS, MST);
+  if (PrintLocations) {
+    if (const DebugLoc &DL = MI.getDebugLoc()) {
+      if (NeedComma)
+        OS << ',';
+      OS << " debug-location ";
+      DL->printAsOperand(OS, MST);
+    }
   }
 
   if (!MI.memoperands_empty()) {