From 261ac8b23cd628fd244709427a0f59d5f4d144c4 Mon Sep 17 00:00:00 2001
From: Adrian Prantl <aprantl@apple.com>
Date: Fri, 3 Nov 2017 21:55:03 +0000
Subject: Invoke salvageDebugInfo from CodeGenPrepare's SinkCast()

This preserves the debug info for the cast operation in the original location.

rdar://problem/33460652

Reapplied r317340 with the test moved into an ARM-specific directory.

llvm-svn: 317375
---
 llvm/lib/CodeGen/CodeGenPrepare.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib/CodeGen/CodeGenPrepare.cpp')

diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index 973ddebd987..73f014704b8 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -1171,6 +1171,7 @@ static bool SinkCast(CastInst *CI) {
 
   // If we removed all uses, nuke the cast.
   if (CI->use_empty()) {
+    salvageDebugInfo(*CI);
     CI->eraseFromParent();
     MadeChange = true;
   }
-- 
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