Revert (52748 and friends):

Move GetConstantStringInfo to lib/Analysis. Remove
string output routine from Constant. Update all
callers. Change debug intrinsic api slightly to
accomodate move of routine, these now return values
instead of strings.

This unbreaks llvm-gcc bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52884 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Debugger/ProgramInfo.cpp b/lib/Debugger/ProgramInfo.cpp
index 408704d..e4380ea 100644
--- a/lib/Debugger/ProgramInfo.cpp
+++ b/lib/Debugger/ProgramInfo.cpp
@@ -14,7 +14,6 @@
 
 #include "llvm/Debugger/ProgramInfo.h"
 #include "llvm/Constants.h"
-#include "llvm/Analysis/ValueTracking.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/IntrinsicInst.h"
@@ -116,10 +115,8 @@
         if (ConstantInt *CUI = dyn_cast<ConstantInt>(CS->getOperand(1)))
           Version = CUI->getZExtValue();
 
-        if (!GetConstantStringInfo(CS->getOperand(3), BaseName))
-          BaseName = "";
-        if (!GetConstantStringInfo(CS->getOperand(4), Directory))
-          Directory = "";
+        BaseName  = CS->getOperand(3)->getStringValue();
+        Directory = CS->getOperand(4)->getStringValue();
       }
 }
 
@@ -159,8 +156,7 @@
           SourceFile = &PI.getSourceFile(GV);
 
         // Entry #2 is the function name.
-        if (!GetConstantStringInfo(CS->getOperand(2), Name))
-          Name = "";
+        Name = CS->getOperand(2)->getStringValue();
       }
 }