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Revert "Add 'thinlto_src_module' md with asserts or -enable-import-metadata" 

Reverting because of 17463
http://lab.llvm.org:8011/builders/clang-x86_64-linux-selfhost-modules/builds/17463

This reverts commit d20cb431bba2ba43b4c65a8556cff445bfefbb7c.

llvm-svn: 274946
This commit is contained in:
Piotr Padlewski 2016-07-08 22:55:48 +00:00
parent 9e70127b0a
commit d4b792346c
2 changed files with 9 additions and 22 deletions
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19
llvm/lib/Transforms/IPO/FunctionImport.cpp
View File

@ -58,16 +58,6 @@ static cl::opt<bool>
DontForceImportReferencedDiscardableSymbols("disable-force-link-odr",
cl::init(false), cl::Hidden);
static cl::opt<bool> EnableImportMetadata(
"enable-import-metadata", cl::init(
#if !defined(NDEBUG)
true /*Enabled with asserts.*/
#else
false
#endif
),
cl::Hidden, cl::desc("Enable import metadata like 'thinlto_src_module'"));
// Load lazily a module from \p FileName in \p Context.
static std::unique_ptr<Module> loadFile(const std::string &FileName,
LLVMContext &Context) {
@ -601,15 +591,12 @@ bool FunctionImporter::importFunctions(
<< SrcModule->getSourceFileName() << "\n");
if (Import) {
F.materialize();
if (EnableImportMetadata) {
// Add 'thinlto_src_module' metadata for statistics and debugging.
F.setMetadata(
"thinlto_src_module",
llvm::MDNode::get(
F.setMetadata("thinlto_src_module",
llvm::MDNode::get(DestModule.getContext(),
{llvm::MDString::get(
DestModule.getContext(),
{llvm::MDString::get(DestModule.getContext(),
SrcModule->getSourceFileName())}));
}
GlobalsToImport.insert(&F);
}
}

6
llvm/test/Transforms/FunctionImport/funcimport.ll
View File

@ -4,12 +4,12 @@
; RUN: llvm-lto -thinlto -print-summary-global-ids -o %t3 %t.bc %t2.bc 2>&1 | FileCheck %s --check-prefix=GUID
; Do the import now
; RUN: opt -disable-force-link-odr -function-import -stats -print-imports -enable-import-metadata -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIMDEF
; RUN: opt -disable-force-link-odr -function-import -stats -print-imports -summary-file %t3.thinlto.bc %t.bc -S 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIMDEF
; "-stats" requires +Asserts.
; REQUIRES asserts
; REQUIRES: asserts
; Test import with smaller instruction limit
; RUN: opt -disable-force-link-odr -function-import -enable-import-metadata -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=5 -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIM5
; RUN: opt -disable-force-link-odr -function-import -summary-file %t3.thinlto.bc %t.bc -import-instr-limit=5 -S | FileCheck %s --check-prefix=CHECK --check-prefix=INSTLIM5
; INSTLIM5-NOT: @staticfunc.llvm.
; Test import with smaller instruction limit and without the -disable-force-link-odr