From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 19 Oct 2006 13:45:00 +0000 (+0000)
Subject: implement undef
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=20793115a85e4f9dc873b81f7bc32644519e9b20;p=oota-llvm.git

implement undef


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31049 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index c16e3e85cd4..e2cf72765ac 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -143,6 +143,14 @@ def ADJCALLSTACKDOWN : InstARM<(ops i32imm:$amt),
                                "!ADJCALLSTACKDOWN $amt",
                                [(callseq_start imm:$amt)]>, Imp<[R13],[R13]>;
 
+def IMPLICIT_DEF_Int : InstARM<(ops IntRegs:$dst),
+                               "@IMPLICIT_DEF $dst",
+                               [(set IntRegs:$dst, (undef))]>;
+def IMPLICIT_DEF_FP  : InstARM<(ops FPRegs:$dst), "@IMPLICIT_DEF $dst",
+                               [(set FPRegs:$dst, (undef))]>;
+def IMPLICIT_DEF_DFP : InstARM<(ops DFPRegs:$dst), "@IMPLICIT_DEF $dst",
+                               [(set DFPRegs:$dst, (undef))]>;
+
 let isReturn = 1 in {
   def bx: InstARM<(ops), "bx r14", [(retflag)]>;
 }