[Debug info] Transfer DI to fragment expressions for split integer values.

This patch teaches the SDag type legalizer how to split up debug info for
integer values that are split into a hi and lo part.

(re-commit)

Differential Revision: https://reviews.llvm.org/D36805

llvm-svn: 311181

1 files changed, 7 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 0ef8adaabbb..508316a1fad 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6879,8 +6879,8 @@ SDNode *SelectionDAG::getNodeIfExists(unsigned Opcode, SDVTList VTList,
 /// getDbgValue - Creates a SDDbgValue node.
 ///
 /// SDNode
-SDDbgValue *SelectionDAG::getDbgValue(MDNode *Var, MDNode *Expr, SDNode *N,
-                                      unsigned R, bool IsIndirect,
+SDDbgValue *SelectionDAG::getDbgValue(DIVariable *Var, DIExpression *Expr,
+                                      SDNode *N, unsigned R, bool IsIndirect,
                                       const DebugLoc &DL, unsigned O) {
   assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
          "Expected inlined-at fields to agree");
@@ -6889,7 +6889,8 @@ SDDbgValue *SelectionDAG::getDbgValue(MDNode *Var, MDNode *Expr, SDNode *N,
 }
 
 /// Constant
-SDDbgValue *SelectionDAG::getConstantDbgValue(MDNode *Var, MDNode *Expr,
+SDDbgValue *SelectionDAG::getConstantDbgValue(DIVariable *Var,
+                                              DIExpression *Expr,
                                               const Value *C,
                                               const DebugLoc &DL, unsigned O) {
   assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
@@ -6898,8 +6899,9 @@ SDDbgValue *SelectionDAG::getConstantDbgValue(MDNode *Var, MDNode *Expr,
 }
 
 /// FrameIndex
-SDDbgValue *SelectionDAG::getFrameIndexDbgValue(MDNode *Var, MDNode *Expr,
-                                                unsigned FI, const DebugLoc &DL,
+SDDbgValue *SelectionDAG::getFrameIndexDbgValue(DIVariable *Var,
+                                                DIExpression *Expr, unsigned FI,
+                                                const DebugLoc &DL,
                                                 unsigned O) {
   assert(cast<DILocalVariable>(Var)->isValidLocationForIntrinsic(DL) &&
          "Expected inlined-at fields to agree");