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

rdar://problem/27640939

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310147 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl 2017-08-04 23:08:57 +00:00
parent 9ceccf9787
commit e6ae7627de
2 changed files with 9 additions and 6 deletions
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11
lib/CodeGen/CGDebugInfo.cpp
View File

@ -527,16 +527,15 @@ void CGDebugInfo::CreateCompileUnit() {
// Create new compile unit. // Create new compile unit.
// FIXME - Eliminate TheCU. // FIXME - Eliminate TheCU.
auto &CGOpts = CGM.getCodeGenOpts();
TheCU = DBuilder.createCompileUnit( TheCU = DBuilder.createCompileUnit(
LangTag, LangTag,
DBuilder.createFile(remapDIPath(MainFileName), DBuilder.createFile(remapDIPath(MainFileName),
remapDIPath(getCurrentDirname()), CSKind, Checksum), remapDIPath(getCurrentDirname()), CSKind, Checksum),
Producer, LO.Optimize, CGM.getCodeGenOpts().DwarfDebugFlags, RuntimeVers, Producer, LO.Optimize || CGOpts.PrepareForLTO || CGOpts.EmitSummaryIndex,
CGM.getCodeGenOpts().EnableSplitDwarf CGOpts.DwarfDebugFlags, RuntimeVers,
? "" CGOpts.EnableSplitDwarf ? "" : CGOpts.SplitDwarfFile, EmissionKind,
: CGM.getCodeGenOpts().SplitDwarfFile, 0 /* DWOid */, CGOpts.SplitDwarfInlining, CGOpts.DebugInfoForProfiling);
EmissionKind, 0 /* DWOid */, CGM.getCodeGenOpts().SplitDwarfInlining,
CGM.getCodeGenOpts().DebugInfoForProfiling);
} }
llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) { llvm::DIType *CGDebugInfo::CreateType(const BuiltinType *BT) {

4
test/CodeGen/debug-info-lto.c Normal file
View File

@ -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