From: Owen Anderson <resistor@mac.com>
Date: Thu, 11 Sep 2008 02:41:37 +0000 (+0000)
Subject: If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=b63691350d3e08d4bf6d400b79e3174b5bd1d61d;p=oota-llvm.git

If ISD::ANY_EXTEND fails, try ISD::ZERO_EXTEND and ISD::SIGN_EXTEND before giving up.  This fixes 445.gobmk on
X86-64 in fast isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56088 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 948751139ac..981f5a7d7ee 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -857,6 +857,13 @@ bool X86FastISel::X86SelectCall(Instruction *I) {
     case CCValAssign::AExt: {
       bool Emitted = X86FastEmitExtend(ISD::ANY_EXTEND, VA.getLocVT(),
                                        Arg, ArgVT, Arg);
+      if (!Emitted)
+        Emitted = X86FastEmitExtend(ISD::ZERO_EXTEND, VA.getLocVT(),
+                                         Arg, ArgVT, Arg);
+      if (!Emitted)
+        Emitted = X86FastEmitExtend(ISD::SIGN_EXTEND, VA.getLocVT(),
+                                    Arg, ArgVT, Arg);
+      
       assert(Emitted && "Failed to emit a aext!");
       ArgVT = VA.getLocVT();
       break;