Set debug locations for branch instructions created during inlining, even

the inlined function has multiple returns.

rdar://problem/12415623

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180793 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 2 deletions

diff --git a/lib/Transforms/Utils/InlineFunction.cpp b/lib/Transforms/Utils/InlineFunction.cpp
index e9f0e28ad6..ae9300a40a 100644
--- a/lib/Transforms/Utils/InlineFunction.cpp
+++ b/lib/Transforms/Utils/InlineFunction.cpp
@@ -853,11 +853,19 @@ bool llvm::InlineFunction(CallSite CS, InlineFunctionInfo &IFI,
 
 
     // Add a branch to the merge points and remove return instructions.
+    ReturnInst *RI;
     for (unsigned i = 0, e = Returns.size(); i != e; ++i) {
-      ReturnInst *RI = Returns[i];
-      BranchInst::Create(AfterCallBB, RI);
+      RI = Returns[i];
+      BranchInst* BI = BranchInst::Create(AfterCallBB, RI);
+      BI->setDebugLoc(RI->getDebugLoc());
       RI->eraseFromParent();
     }
+    // We need to set the debug location to *somewhere* inside the
+    // inlined function. The line number may be nonsentical, but the
+    // instruction will at least be associated with the right
+    // function.
+    if (CreatedBranchToNormalDest)
+      CreatedBranchToNormalDest->setDebugLoc(RI->getDebugLoc());
   } else if (!Returns.empty()) {
     // Otherwise, if there is exactly one return value, just replace anything
     // using the return value of the call with the computed value.