Add some additional functions to the list of helper functions for

pic calls. These need to be there so we don't try and use helper
functions when we call those.

As part of this, make sure that we properly exclude helper functions in pic
mode when indirect calls are involved.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182343 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 2 deletions

diff --git a/lib/Target/Mips/Mips16ISelLowering.cpp b/lib/Target/Mips/Mips16ISelLowering.cpp
index c633d31..b272e30 100644
--- a/lib/Target/Mips/Mips16ISelLowering.cpp
+++ b/lib/Target/Mips/Mips16ISelLowering.cpp
@@ -46,9 +46,13 @@ Mips16TargetLowering::Mips16TargetLowering(MipsTargetMachine &TM)
   // Set up the register classes
   addRegisterClass(MVT::i32, &Mips::CPU16RegsRegClass);
 
-  if (Subtarget->inMips16HardFloat())
+  if (Subtarget->inMips16HardFloat()) {
     setMips16HardFloatLibCalls();
-
+    NoHelperNeeded.insert("__mips16_ret_sf");
+    NoHelperNeeded.insert("__mips16_ret_df");
+    NoHelperNeeded.insert("__mips16_ret_sc");
+    NoHelperNeeded.insert("__mips16_ret_dc");
+  }
   setOperationAction(ISD::ATOMIC_FENCE,       MVT::Other, Expand);
   setOperationAction(ISD::ATOMIC_CMP_SWAP,    MVT::i32,   Expand);
   setOperationAction(ISD::ATOMIC_SWAP,        MVT::i32,   Expand);
@@ -383,6 +387,13 @@ getOpndList(SmallVectorImpl<SDValue> &Ops,
         LookupHelper = false;
       }
     }
+    else if (GlobalAddressSDNode *G = 
+             dyn_cast<GlobalAddressSDNode>(CLI.Callee)) {
+      if (NoHelperNeeded.find(G->getGlobal()->getName().data()) != 
+                              NoHelperNeeded.end()) {
+        LookupHelper = false;
+      }
+    }
     if (LookupHelper) Mips16HelperFunction =
       getMips16HelperFunction(CLI.RetTy, CLI.Args, NeedMips16Helper);