[llvm] r187244 - [mips] Implement llvm.trap intrinsic.

[Akira Hatanaka]

Author: ahatanak
Date: Fri Jul 26 15:58:55 2013
New Revision: 187244

URL: http://llvm.org/viewvc/llvm-project?rev=187244&view=rev
Log:
[mips] Implement llvm.trap intrinsic.

Patch by Sasa Stankovic.


Added:
    llvm/trunk/test/CodeGen/Mips/trap.ll
Modified:
    llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
    llvm/trunk/lib/Target/Mips/MipsInstrInfo.td

Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=187244&r1=187243&r2=187244&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Fri Jul 26 15:58:55 2013
@@ -385,6 +385,8 @@ MipsTargetLowering(MipsTargetMachine &TM
     setTruncStoreAction(MVT::i64, MVT::i32, Custom);
   }
 
+  setOperationAction(ISD::TRAP, MVT::Other, Legal);
+
   setTargetDAGCombine(ISD::SDIVREM);
   setTargetDAGCombine(ISD::UDIVREM);
   setTargetDAGCombine(ISD::SELECT);

Modified: llvm/trunk/lib/Target/Mips/MipsInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsInstrInfo.td?rev=187244&r1=187243&r2=187244&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsInstrInfo.td (original)
+++ llvm/trunk/lib/Target/Mips/MipsInstrInfo.td Fri Jul 26 15:58:55 2013
@@ -826,6 +826,11 @@ class SCBase<string opstr, RegisterOpera
 class MFC3OP<dag outs, dag ins, string asmstr> :
   InstSE<outs, ins, asmstr, [], NoItinerary, FrmFR>;
 
+let isBarrier = 1, isTerminator = 1, isCodeGenOnly = 1 in
+def TRAP : InstSE<(outs), (ins), "break", [(trap)], NoItinerary, FrmOther> {
+   let Inst = 0x0000000d;
+}
+
 //===----------------------------------------------------------------------===//
 // Pseudo instructions
 //===----------------------------------------------------------------------===//

Added: llvm/trunk/test/CodeGen/Mips/trap.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/trap.ll?rev=187244&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/trap.ll (added)
+++ llvm/trunk/test/CodeGen/Mips/trap.ll Fri Jul 26 15:58:55 2013
@@ -0,0 +1,11 @@
+; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s
+
+declare void @llvm.trap()
+
+define void @f1() {
+entry:
+  call void @llvm.trap()
+  unreachable
+
+; CHECK:        break
+}