From 4655e9de38c1656636d9dbc2212a5b12fa7e3afb Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 27 Sep 2005 22:15:53 +0000
Subject: [PATCH] If the target prefers it, use _setjmp/_longjmp should be used
 instead of setjmp/longjmp for llvm.setjmp/llvm.longjmp.

llvm-svn: 23481
---
 lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index ea2696786b5..ad7a8af4af5 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -736,8 +736,12 @@ void SelectionDAGLowering::visitCall(CallInst &I) {
       case Intrinsic::returnaddress: visitFrameReturnAddress(I, false); return;
       case Intrinsic::frameaddress:  visitFrameReturnAddress(I, true); return;
 
-      case Intrinsic::setjmp:  RenameFn = "setjmp"; break;
-      case Intrinsic::longjmp: RenameFn = "longjmp"; break;
+      case Intrinsic::setjmp:
+        RenameFn = "_setjmp"+!TLI.usesUnderscoreSetJmpLongJmp();
+        break;
+      case Intrinsic::longjmp:
+        RenameFn = "_longjmp"+!TLI.usesUnderscoreSetJmpLongJmp();
+        break;
       case Intrinsic::memcpy:  visitMemIntrinsic(I, ISD::MEMCPY); return;
       case Intrinsic::memset:  visitMemIntrinsic(I, ISD::MEMSET); return;
       case Intrinsic::memmove: visitMemIntrinsic(I, ISD::MEMMOVE); return;