[DebugInfoMetadata] Refactor DIExpression::prepend constants (NFC)

Refactor DIExpression::With* into a flag enum in order to be less
error-prone to use (as discussed on D60866).

Patch by Djordje Todorovic.

Differential Revision: https://reviews.llvm.org/D61943

llvm-svn: 361137

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp b/llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
index 9f315c8c1af..4c5a9adf1f6 100644
--- a/llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
+++ b/llvm/lib/Target/NVPTX/NVPTXPrologEpilogPass.cpp
@@ -72,8 +72,8 @@ bool NVPTXPrologEpilogPass::runOnMachineFunction(MachineFunction &MF) {
               TFI.getFrameIndexReference(MF, MI.getOperand(0).getIndex(), Reg);
           MI.getOperand(0).ChangeToRegister(Reg, /*isDef=*/false);
           MI.getOperand(0).setIsDebug();
-          auto *DIExpr = DIExpression::prepend(MI.getDebugExpression(),
-                                               DIExpression::NoDeref, Offset);
+          auto *DIExpr = DIExpression::prepend(
+              MI.getDebugExpression(), DIExpression::ApplyOffset, Offset);
           MI.getOperand(3).setMetadata(DIExpr);
           continue;
         }