From d04b4937d1bc4ed14642926321127e9922e66c3b Mon Sep 17 00:00:00 2001
From: Richard Osborne <richard@xmos.com>
Date: Wed, 23 Feb 2011 18:52:05 +0000
Subject: [PATCH] Add XCore intrinsic for clre instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126322 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/IntrinsicsXCore.td    | 1 +
 lib/Target/XCore/XCoreInstrInfo.td | 4 +++-
 test/CodeGen/XCore/events.ll       | 3 +++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/llvm/IntrinsicsXCore.td b/include/llvm/IntrinsicsXCore.td
index 85fa00d6665..76a069e5643 100644
--- a/include/llvm/IntrinsicsXCore.td
+++ b/include/llvm/IntrinsicsXCore.td
@@ -50,4 +50,5 @@ let TargetPrefix = "xcore" in {  // All intrinsics start with "llvm.xcore.".
 
   // Intrinsics for events.
   def int_xcore_waitevent : Intrinsic<[llvm_ptr_ty],[], [IntrReadMem]>;
+  def int_xcore_clre : Intrinsic<[],[],[]>;
 }
diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index 90a725220f2..d9bd2a44bec 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -895,10 +895,12 @@ def SETV_1r : _F1R<(outs), (ins GRRegs:$r),
                [(int_xcore_setv GRRegs:$r, R11)]>;
 
 // Zero operand short
-// TODO clre, ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
+// TODO ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
 // stet, geted, getet, getkep, getksp, setkep, getid, kret, dcall, dret,
 // dentsp, drestsp
 
+def CLRE_0R : _F0R<(outs), (ins), "clre", [(int_xcore_clre)]>;
+
 let Defs = [R11] in
 def GETID_0R : _F0R<(outs), (ins),
                  "get r11, id",
diff --git a/test/CodeGen/XCore/events.ll b/test/CodeGen/XCore/events.ll
index 32b5a60977c..4fc2f26d1b6 100644
--- a/test/CodeGen/XCore/events.ll
+++ b/test/CodeGen/XCore/events.ll
@@ -2,10 +2,13 @@
 
 declare void @llvm.xcore.setv.p1i8(i8 addrspace(1)* %r, i8* %p)
 declare i8* @llvm.xcore.waitevent()
+declare void @llvm.xcore.clre()
 
 define i32 @f(i8 addrspace(1)* %r) nounwind {
 ; CHECK: f:
 entry:
+; CHECK: clre
+  call void @llvm.xcore.clre()
   call void @llvm.xcore.setv.p1i8(i8 addrspace(1)* %r, i8* blockaddress(@f, %L1))
   call void @llvm.xcore.setv.p1i8(i8 addrspace(1)* %r, i8* blockaddress(@f, %L2))
   %goto_addr = call i8* @llvm.xcore.waitevent()