[DebugInfo] Inline for without DebugLocation

Summary:
This test is a strip down version of a function inside the
amalgamated sqlite source. When converted to IR clang produces
a phi instruction without debug location.

This patch fixes the above issue.

Differential Revision: https://reviews.llvm.org/D47720

llvm-svn: 335255

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
index f4c0c75c256..10c59a2cb87 100644
--- a/clang/lib/CodeGen/CGExprScalar.cpp
+++ b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -3431,6 +3431,12 @@ Value *ScalarExprEmitter::VisitBinLAnd(const BinaryOperator *E) {
   // Insert an entry into the phi node for the edge with the value of RHSCond.
   PN->addIncoming(RHSCond, RHSBlock);
 
+  // Artificial location to preserve the scope information
+  {
+    auto NL = ApplyDebugLocation::CreateArtificial(CGF);
+    PN->setDebugLoc(Builder.getCurrentDebugLocation());
+  }
+
   // ZExt result to int.
   return Builder.CreateZExtOrBitCast(PN, ResTy, "land.ext");
 }