From aa8c19405ac3891ee7fbea1a509c6774ca7a5b59 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 6 Jul 2010 15:39:54 +0000
Subject: Add versions of OutputArgReg, AnalyzeReturn, and AnalyzeCallOperands
 which do not depend on SelectionDAG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107666 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/CallingConvLower.cpp | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'lib/CodeGen')

diff --git a/lib/CodeGen/SelectionDAG/CallingConvLower.cpp b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
index 4e6c1fcc96..ba097e089a 100644
--- a/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
+++ b/lib/CodeGen/SelectionDAG/CallingConvLower.cpp
@@ -111,6 +111,22 @@ void CCState::AnalyzeReturn(const SmallVectorImpl<ISD::OutputArg> &Outs,
   }
 }
 
+void CCState::AnalyzeReturn(const SmallVectorImpl<ISD::OutputArgReg> &Outs,
+                            CCAssignFn Fn) {
+  // Determine which register each value should be copied into.
+  for (unsigned i = 0, e = Outs.size(); i != e; ++i) {
+    EVT VT = Outs[i].VT;
+    ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
+    if (Fn(i, VT, VT, CCValAssign::Full, ArgFlags, *this)) {
+#ifndef NDEBUG
+      dbgs() << "Return operand #" << i << " has unhandled type "
+             << VT.getEVTString();
+#endif
+      llvm_unreachable(0);
+    }
+  }
+}
+
 
 /// AnalyzeCallOperands - Analyze the outgoing arguments to a call,
 /// incorporating info about the passed values into this state.
@@ -130,6 +146,25 @@ void CCState::AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArg> &Outs,
   }
 }
 
+/// AnalyzeCallOperands - Analyze the outgoing arguments to a call,
+/// incorporating info about the passed values into this state.
+void
+CCState::AnalyzeCallOperands(const SmallVectorImpl<ISD::OutputArgReg> &Outs,
+                             CCAssignFn Fn) {
+  unsigned NumOps = Outs.size();
+  for (unsigned i = 0; i != NumOps; ++i) {
+    EVT ArgVT = Outs[i].VT;
+    ISD::ArgFlagsTy ArgFlags = Outs[i].Flags;
+    if (Fn(i, ArgVT, ArgVT, CCValAssign::Full, ArgFlags, *this)) {
+#ifndef NDEBUG
+      dbgs() << "Call operand #" << i << " has unhandled type "
+             << ArgVT.getEVTString();
+#endif
+      llvm_unreachable(0);
+    }
+  }
+}
+
 /// AnalyzeCallOperands - Same as above except it takes vectors of types
 /// and argument flags.
 void CCState::AnalyzeCallOperands(SmallVectorImpl<EVT> &ArgVTs,
-- 
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