Preserve line number information while simplifying libcalls.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127362 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index 54eaada..6247b03 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -1616,6 +1616,9 @@
// Set the builder to the instruction after the call.
Builder.SetInsertPoint(BB, I);
+ // Use debug location of CI for all new instructions.
+ Builder.SetCurrentDebugLocation(CI->getDebugLoc());
+
// Try to optimize this call.
Value *Result = LCO->OptimizeCall(CI, TD, TLI, Builder);
if (Result == 0) continue;