[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.

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

llvm-svn: 311102

1 files changed, 10 insertions, 8 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 0ef8adaabbb..457c9b1fa1e 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");
@@ -7337,9 +7339,9 @@ void SelectionDAG::TransferDbgValues(SDValue From, SDValue To) {
         Dbg->getResNo() == From.getResNo() && !Dbg->isInvalidated()) {
       assert(FromNode != ToNode &&
              "Should not transfer Debug Values intranode");
-      SDDbgValue *Clone = getDbgValue(Dbg->getVariable(), Dbg->getExpression(),
-                                      ToNode, To.getResNo(), Dbg->isIndirect(),
-                                      Dbg->getDebugLoc(), Dbg->getOrder());
+      SDDbgValue *Clone = getDbgValue(
+          Dbg->getVariable(), Dbg->getExpression(), ToNode, Dbg->getResNo(),
+          Dbg->isIndirect(), Dbg->getDebugLoc(), Dbg->getOrder());
       ClonedDVs.push_back(Clone);
       Dbg->setIsInvalidated();
     }