r310147 - Debug Info: Set the DICompileUnit's isOptimized flag when compiling with LTO.

[Adrian Prantl via cfe-commits]

Author: adrian
Date: Fri Aug  4 16:08:57 2017
New Revision: 310147

URL: http://llvm.org/viewvc/llvm-project?rev=310147&view=rev
Log:
Debug Info: Set the DICompileUnit's isOptimized flag when compiling with LTO.

rdar://problem/27640939

Added:
    cfe/trunk/test/CodeGen/debug-info-lto.c
Modified:
    cfe/trunk/lib/CodeGen/CGDebugInfo.cpp

Modified: cfe/trunk/lib/CodeGen/CGDebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGDebugInfo.cpp?rev=310147&r1=310146&r2=310147&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGDebugInfo.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGDebugInfo.cpp Fri Aug  4 16:08:57 2017
@@ -527,16 +527,15 @@ void CGDebugInfo::CreateCompileUnit() {
 
   // Create new compile unit.
   // FIXME - Eliminate TheCU.
+  auto &CGOpts = CGM.getCodeGenOpts();
   TheCU = DBuilder.createCompileUnit(
       LangTag,
       DBuilder.createFile(remapDIPath(MainFileName),
                           remapDIPath(getCurrentDirname()), CSKind, Checksum),
-      Producer, LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers,
-      CGM.getCodeGenOpts().EnableSplitDwarf
-          ? ""
-          : CGM.getCodeGenOpts().SplitDwarfFile,
-      EmissionKind, 0 /* DWOid */, CGM.getCodeGenOpts().SplitDwarfInlining,
-      CGM.getCodeGenOpts().DebugInfoForProfiling);
+      Producer, LO.Optimize || CGOpts.PrepareForLTO || CGOpts.EmitSummaryIndex,
+      CGOpts.DwarfDebugFlags, RuntimeVers,
+      CGOpts.EnableSplitDwarf ? "" : CGOpts.SplitDwarfFile, EmissionKind,
+      0 /* DWOid */, CGOpts.SplitDwarfInlining, CGOpts.DebugInfoForProfiling);
 }
 
 llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {

Added: cfe/trunk/test/CodeGen/debug-info-lto.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/debug-info-lto.c?rev=310147&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/debug-info-lto.c (added)
+++ cfe/trunk/test/CodeGen/debug-info-lto.c Fri Aug  4 16:08:57 2017
@@ -0,0 +1,4 @@
+// RUN: %clang_cc1 -flto -emit-llvm -debug-info-kind=standalone %s -o - | FileCheck %s
+// RUN: %clang_cc1 -flto=thin -emit-llvm -debug-info-kind=standalone %s -o - | FileCheck %s
+// The "o" in LTO stands for optimization!
+// CHECK: !DICompileUnit({{.*}} isOptimized: true