From cee6093ca8ab49eb7b2d699f45c02d470f88fa13 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Tue, 27 Dec 2005 03:02:18 +0000
Subject: [PATCH] Fix a problem duraid pointed out to me compiling kc++ with
 -enable-x86-fastcc

llvm-svn: 25024
---
 lib/Target/X86/X86ISelLowering.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index b419f31d47a..a5b261c8374 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -591,6 +591,9 @@ X86TargetLowering::LowerFastCCArguments(Function &F, SelectionDAG &DAG) {
                                     X86::R8RegisterClass);
           ArgValue = DAG.getCopyFromReg(DAG.getRoot(), VReg, MVT::i8);
           DAG.setRoot(ArgValue.getValue(1));
+          if (ObjectVT == MVT::i1)
+            // FIXME: Should insert a assertzext here.
+            ArgValue = DAG.getNode(ISD::TRUNCATE, MVT::i1, ArgValue);
         }
         ++NumIntRegs;
         break;
@@ -780,6 +783,8 @@ X86TargetLowering::LowerFastCCCallTo(SDOperand Chain, const Type *RetTy,
     switch (getValueType(Args[i].second)) {
     default: assert(0 && "Unexpected ValueType for argument!");
     case MVT::i1:
+      Args[i].first = DAG.getNode(ISD::ANY_EXTEND, MVT::i8, Args[i].first);
+      // Fall through.
     case MVT::i8:
     case MVT::i16:
     case MVT::i32: