Remove the llvm.nacl.thread.stack.padding intrinsic

This intrinsic is no longer used by untrusted code's libpthread.
Instead the system (the IRT and/or TCB) is responsible for aligning
the stack in new threads.

BUG=http://code.google.com/p/nativeclient/issues/detail?id=2904
TEST=run_stack_alignment_test

Review URL: https://chromiumcodereview.appspot.com/10874034

1 files changed, 0 insertions, 5 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index e0a061d8be..2783664e53 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -5195,11 +5195,6 @@ SelectionDAGBuilder::visitIntrinsicCall(const CallInst &I, unsigned Intrinsic) {
     return 0;
   // @LOCALMOD-BEGIN
   // Native Client Intrinsics for TLS setup / layout.
-  case Intrinsic::nacl_thread_stack_padding: {
-    EVT DestVT = TLI.getValueType(I.getType());
-    setValue(&I, DAG.getNode(ISD::NACL_THREAD_STACK_PADDING, dl, DestVT));
-    return 0;
-  }
   case Intrinsic::nacl_tp_alignment: {
     EVT DestVT = TLI.getValueType(I.getType());
     setValue(&I, DAG.getNode(ISD::NACL_TP_ALIGN, dl, DestVT));