Add support for metadata representing .ident directives.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192764 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 60f1bff..0fe341a 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -953,6 +953,9 @@
if (GCMetadataPrinter *MP = GetOrCreateGCPrinter(*--I))
MP->finishAssembly(*this);
+ // Emit llvm.ident metadata in an '.ident' directive.
+ EmitModuleIdents(M);
+
// If we don't have any trampolines, then we don't require stack memory
// to be executable. Some targets have a directive to declare this.
Function *InitTrampolineIntrinsic = M.getFunction("llvm.init.trampoline");
@@ -1332,6 +1335,21 @@
}
}
+void AsmPrinter::EmitModuleIdents(Module &M) {
+ if (!MAI->hasIdentDirective())
+ return;
+
+ if (const NamedMDNode *NMD = M.getNamedMetadata("llvm.ident")) {
+ for (unsigned i = 0, e = NMD->getNumOperands(); i != e; ++i) {
+ const MDNode *N = NMD->getOperand(i);
+ assert(N->getNumOperands() == 1 &&
+ "llvm.ident metadata entry can have only one operand");
+ const MDString *S = cast<MDString>(N->getOperand(0));
+ OutStreamer.EmitIdent(S->getString());
+ }
+ }
+}
+
//===--------------------------------------------------------------------===//
// Emission and print routines
//