Add option -sil-print-debuginfo-verbose

The option -sil-print-debuginfo-verbose will print the values of the
fields, implicit, and autoGenerated for a SILLocation, as well as
whether the SILLocation is considered hidden from debug information
by calling SILLocation::isHiddenFromDebugInfo()

(cherry picked from commit 1567386)

Author: rastogishubham

lib/SIL/IR/SILPrinter.cpp

@@ -73,6 +73,11 @@ llvm::cl::opt<bool>
 SILPrintDebugInfo("sil-print-debuginfo", llvm::cl::init(false),
                 llvm::cl::desc("Include debug info in SIL output"));
 
+llvm::cl::opt<bool>
+    SILPrintDebugInfoVerbose("sil-print-debuginfo-verbose",
+                             llvm::cl::init(false),
+                             llvm::cl::desc("Print verbose debug info output"));
+
 llvm::cl::opt<bool>
 SILPrintSourceInfo("sil-print-sourceinfo", llvm::cl::init(false),
                    llvm::cl::desc("Include source annotation in SIL output"));
@@ -1071,6 +1076,22 @@ class SILPrinter : public SILInstructionVisitor<SILPrinter> {
         *this << "* ";
       *this << QuotedString(DL.filename) << ':' << DL.line << ':'
             << (unsigned)DL.column;
+      if (SILPrintDebugInfoVerbose) {
+        if (Loc.isImplicit())
+          *this << " isImplicit: " << "true";
+        else
+          *this << " isImplicit: " << "false";
+
+        if (Loc.isAutoGenerated())
+          *this << ", isAutoGenerated: " << "true";
+        else
+          *this << ", isAutoGenerated: " << "false";
+
+        if (Loc.isHiddenFromDebugInfo())
+          *this << ", isHiddenFromDebugInfo: " << "true";
+        else
+          *this << ", isHiddenFromDebugInfo: " << "false";
+      }
     }
   }
 

test/DebugInfo/sil-print-debuginfo-verbose.swift

@@ -0,0 +1,12 @@
+// RUN: %target-swift-frontend %s -Xllvm -sil-print-debuginfo -Xllvm -sil-print-debuginfo-verbose -emit-sil -Onone -g -o - | %FileCheck %s
+// CHECK:  %0 = alloc_stack [var_decl] $Int64, var, name "x", type $Int64, loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: %1 = integer_literal $Builtin.Int64, 1, loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: %2 = struct $Int64 (%1 : $Builtin.Int64), loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: store %2 to %0 : $*Int64, loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: dealloc_stack %0 : $*Int64, loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: %5 = tuple (), loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+// CHECK-NEXT: return %5 : $(), loc {{.*}} isImplicit: false, isAutoGenerated: false, isHiddenFromDebugInfo: false
+
+func main() {
+	var x : Int64 = 1
+}