From 150f810744bb3d870077bd539ff1e290439e8a8a Mon Sep 17 00:00:00 2001
From: Richard Osborne <richard@xmos.com>
Date: Tue, 25 Feb 2014 17:31:15 +0000
Subject: [PATCH] [XCore] Add intrinsic for CLRPT (clear port time)
 instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202172 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/IR/IntrinsicsXCore.td | 2 ++
 lib/Target/XCore/XCoreInstrInfo.td | 3 ++-
 test/CodeGen/XCore/resources.ll    | 8 ++++++++
 3 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/include/llvm/IR/IntrinsicsXCore.td b/include/llvm/IR/IntrinsicsXCore.td
index 085644cc641..b614e1ed6ec 100644
--- a/include/llvm/IR/IntrinsicsXCore.td
+++ b/include/llvm/IR/IntrinsicsXCore.td
@@ -67,6 +67,8 @@ let TargetPrefix = "xcore" in {  // All intrinsics start with "llvm.xcore.".
                                   [NoCapture<0>]>;
   def int_xcore_setpt : Intrinsic<[],[llvm_anyptr_ty, llvm_i32_ty],
                                   [NoCapture<0>]>;
+  def int_xcore_clrpt : Intrinsic<[],[llvm_anyptr_ty],
+                                  [NoCapture<0>]>;
   def int_xcore_getts : Intrinsic<[llvm_i32_ty],[llvm_anyptr_ty],
                                   [NoCapture<0>]>;
   def int_xcore_syncr : Intrinsic<[],[llvm_anyptr_ty],
diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index 2dd2fc1a7d7..b243ee3510a 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -1028,7 +1028,8 @@ def WAITET_1R : _F1R<0b000010, (outs), (ins GRRegs:$a), "waitet $a", []>;
 
 def TSTART_1R : _F1R<0b000110, (outs), (ins GRRegs:$a), "start t[$a]", []>;
 
-def CLRPT_1R : _F1R<0b100000, (outs), (ins GRRegs:$a), "clrpt res[$a]", []>;
+def CLRPT_1R : _F1R<0b100000, (outs), (ins GRRegs:$a), "clrpt res[$a]",
+                    [(int_xcore_clrpt GRRegs:$a)]>;
 
 // Zero operand short
 
diff --git a/test/CodeGen/XCore/resources.ll b/test/CodeGen/XCore/resources.ll
index 1b50d00e3a5..87bf3c204dc 100644
--- a/test/CodeGen/XCore/resources.ll
+++ b/test/CodeGen/XCore/resources.ll
@@ -15,6 +15,7 @@ declare void @llvm.xcore.setd.p1i8(i8 addrspace(1)* %r, i32 %value)
 declare void @llvm.xcore.setc.p1i8(i8 addrspace(1)* %r, i32 %value)
 declare i32 @llvm.xcore.inshr.p1i8(i8 addrspace(1)* %r, i32 %value)
 declare i32 @llvm.xcore.outshr.p1i8(i8 addrspace(1)* %r, i32 %value)
+declare void @llvm.xcore.clrpt.p1i8(i8 addrspace(1)* %r)
 declare void @llvm.xcore.setpt.p1i8(i8 addrspace(1)* %r, i32 %value)
 declare i32 @llvm.xcore.getts.p1i8(i8 addrspace(1)* %r)
 declare void @llvm.xcore.syncr.p1i8(i8 addrspace(1)* %r)
@@ -141,6 +142,13 @@ define i32 @outshr(i32 %value, i8 addrspace(1)* %r) {
 	ret i32 %result
 }
 
+define void @clrpt(i8 addrspace(1)* %r) {
+; CHECK-LABEL: clrpt:
+; CHECK: clrpt res[r0]
+	call void @llvm.xcore.clrpt.p1i8(i8 addrspace(1)* %r)
+	ret void
+}
+
 define void @setpt(i8 addrspace(1)* %r, i32 %value) {
 ; CHECK-LABEL: setpt:
 ; CHECK: setpt res[r0], r1
-- 
2.34.1