[PATCH] D39069: CodeGen: Fix missing debug loc due to alloca

[Yaxun Liu via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL316484: CodeGen: Fix missing debug loc due to alloca (authored by yaxunl).

Changed prior to commit:
  https://reviews.llvm.org/D39069?vs=120076&id=120115#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D39069

Files:
  cfe/trunk/lib/CodeGen/CGExpr.cpp
  cfe/trunk/test/CodeGenOpenCL/func-call-dbg-loc.cl


Index: cfe/trunk/lib/CodeGen/CGExpr.cpp
===================================================================
--- cfe/trunk/lib/CodeGen/CGExpr.cpp
+++ cfe/trunk/lib/CodeGen/CGExpr.cpp
@@ -74,12 +74,11 @@
   // cast alloca to the default address space when necessary.
   if (CastToDefaultAddrSpace && getASTAllocaAddressSpace() != LangAS::Default) {
     auto DestAddrSpace = getContext().getTargetAddressSpace(LangAS::Default);
-    auto CurIP = Builder.saveIP();
+    llvm::IRBuilderBase::InsertPointGuard IPG(Builder);
     Builder.SetInsertPoint(AllocaInsertPt);
     V = getTargetHooks().performAddrSpaceCast(
         *this, V, getASTAllocaAddressSpace(), LangAS::Default,
         Ty->getPointerTo(DestAddrSpace), /*non-null*/ true);
-    Builder.restoreIP(CurIP);
   }
 
   return Address(V, Align);
Index: cfe/trunk/test/CodeGenOpenCL/func-call-dbg-loc.cl
===================================================================
--- cfe/trunk/test/CodeGenOpenCL/func-call-dbg-loc.cl
+++ cfe/trunk/test/CodeGenOpenCL/func-call-dbg-loc.cl
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -triple amdgcn---amdgizcl -debug-info-kind=limited -O0 -emit-llvm -o - %s | FileCheck %s
+
+typedef struct
+{
+    int a;
+} Struct;
+
+Struct func1();
+
+void func2(Struct S);
+
+void func3()
+{
+    // CHECK: call i32 @func1() #{{[0-9]+}}, !dbg ![[LOC:[0-9]+]]
+    // CHECK: call void @func2(i32 %{{[0-9]+}}) #{{[0-9]+}}, !dbg ![[LOC]]
+    func2(func1());
+}
+


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