[llvm-commits] [llvm] r127084 - in /llvm/trunk: include/llvm/Intrinsics.td include/llvm/IntrinsicsARM.td include/llvm/IntrinsicsPTX.td lib/Target/PTX/PTXInstrInfo.td lib/Target/PTX/PTXIntrinsicInstrInfo.td test/CodeGen/PTX/intrinsic.ll
Che-Liang Chiou
clchiou at gmail.com
Sat Mar 5 06:17:38 PST 2011
Author: clchiou
Date: Sat Mar 5 08:17:37 2011
New Revision: 127084
URL: http://llvm.org/viewvc/llvm-project?rev=127084&view=rev
Log:
ptx: add basic intrinsic support
Added:
llvm/trunk/include/llvm/IntrinsicsPTX.td
llvm/trunk/lib/Target/PTX/PTXIntrinsicInstrInfo.td
llvm/trunk/test/CodeGen/PTX/intrinsic.ll
Modified:
llvm/trunk/include/llvm/Intrinsics.td
llvm/trunk/include/llvm/IntrinsicsARM.td
llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
Modified: llvm/trunk/include/llvm/Intrinsics.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Intrinsics.td?rev=127084&r1=127083&r2=127084&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Intrinsics.td (original)
+++ llvm/trunk/include/llvm/Intrinsics.td Sat Mar 5 08:17:37 2011
@@ -490,3 +490,4 @@
include "llvm/IntrinsicsCellSPU.td"
include "llvm/IntrinsicsAlpha.td"
include "llvm/IntrinsicsXCore.td"
+include "llvm/IntrinsicsPTX.td"
Modified: llvm/trunk/include/llvm/IntrinsicsARM.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IntrinsicsARM.td?rev=127084&r1=127083&r2=127084&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IntrinsicsARM.td (original)
+++ llvm/trunk/include/llvm/IntrinsicsARM.td Sat Mar 5 08:17:37 2011
@@ -1,10 +1,10 @@
//===- IntrinsicsARM.td - Defines ARM intrinsics -----------*- tablegen -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
-//
+//
//===----------------------------------------------------------------------===//
//
// This file defines all of the ARM-specific intrinsics.
Added: llvm/trunk/include/llvm/IntrinsicsPTX.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IntrinsicsPTX.td?rev=127084&view=auto
==============================================================================
--- llvm/trunk/include/llvm/IntrinsicsPTX.td (added)
+++ llvm/trunk/include/llvm/IntrinsicsPTX.td Sat Mar 5 08:17:37 2011
@@ -0,0 +1,32 @@
+//===- IntrinsicsPTX.td - Defines PTX intrinsics -----------*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines all of the PTX-specific intrinsics.
+//
+//===----------------------------------------------------------------------===//
+
+let TargetPrefix = "ptx" in {
+ multiclass PTXReadSpecialRegisterIntrinsic {
+ def _r64 : Intrinsic<[llvm_i64_ty], [], [IntrNoMem]>;
+ def _v4i16 : Intrinsic<[llvm_v4i16_ty], [], [IntrNoMem]>;
+ }
+
+ multiclass PTXReadSpecialSubRegisterIntrinsic {
+ def _x : Intrinsic<[llvm_i16_ty], [], [IntrNoMem]>;
+ def _y : Intrinsic<[llvm_i16_ty], [], [IntrNoMem]>;
+ def _z : Intrinsic<[llvm_i16_ty], [], [IntrNoMem]>;
+ def _w : Intrinsic<[llvm_i16_ty], [], [IntrNoMem]>;
+ }
+}
+
+defm int_ptx_read_tid : PTXReadSpecialRegisterIntrinsic;
+defm int_ptx_read_tid : PTXReadSpecialSubRegisterIntrinsic;
+
+let TargetPrefix = "ptx" in
+ def int_ptx_bar_sync : Intrinsic<[], [llvm_i32_ty], []>;
Modified: llvm/trunk/lib/Target/PTX/PTXInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXInstrInfo.td?rev=127084&r1=127083&r2=127084&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PTX/PTXInstrInfo.td (original)
+++ llvm/trunk/lib/Target/PTX/PTXInstrInfo.td Sat Mar 5 08:17:37 2011
@@ -390,3 +390,7 @@
def EXIT : InstPTX<(outs), (ins), "exit", [(PTXexit)]>;
def RET : InstPTX<(outs), (ins), "ret", [(PTXret)]>;
}
+
+///===- Intrinsic Instructions --------------------------------------------===//
+
+include "PTXIntrinsicInstrInfo.td"
Added: llvm/trunk/lib/Target/PTX/PTXIntrinsicInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PTX/PTXIntrinsicInstrInfo.td?rev=127084&view=auto
==============================================================================
--- llvm/trunk/lib/Target/PTX/PTXIntrinsicInstrInfo.td (added)
+++ llvm/trunk/lib/Target/PTX/PTXIntrinsicInstrInfo.td Sat Mar 5 08:17:37 2011
@@ -0,0 +1,35 @@
+//===- PTXIntrinsicInstrInfo.td - Defines PTX intrinsics ---*- tablegen -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines all of the PTX-specific intrinsic instructions.
+//
+//===----------------------------------------------------------------------===//
+
+// PTX Special Purpose Register Accessor Intrinsics
+
+class PTX_READ_SPECIAL_REGISTER<string regname, Intrinsic intop>
+ : InstPTX<(outs RRegu64:$d), (ins),
+ !strconcat("mov.u64\t$d, ", regname),
+ [(set RRegu64:$d, (intop))]>;
+
+class PTX_READ_SPECIAL_SUB_REGISTER<string regname, Intrinsic intop>
+ : InstPTX<(outs RRegu16:$d), (ins),
+ !strconcat("mov.u16\t$d, ", regname),
+ [(set RRegu16:$d, (intop))]>;
+
+def PTX_READ_TID_R64 : PTX_READ_SPECIAL_REGISTER<"tid", int_ptx_read_tid_r64>;
+def PTX_READ_TID_X : PTX_READ_SPECIAL_SUB_REGISTER<"tid.x", int_ptx_read_tid_x>;
+def PTX_READ_TID_Y : PTX_READ_SPECIAL_SUB_REGISTER<"tid.y", int_ptx_read_tid_y>;
+def PTX_READ_TID_Z : PTX_READ_SPECIAL_SUB_REGISTER<"tid.z", int_ptx_read_tid_z>;
+def PTX_READ_TID_W : PTX_READ_SPECIAL_SUB_REGISTER<"tid.w", int_ptx_read_tid_w>;
+
+// PTX Parallel Synchronization and Communication Intrinsics
+
+def PTX_BAR_SYNC : InstPTX<(outs), (ins i32imm:$i), "bar.sync\t$i",
+ [(int_ptx_bar_sync imm:$i)]>;
Added: llvm/trunk/test/CodeGen/PTX/intrinsic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/PTX/intrinsic.ll?rev=127084&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/PTX/intrinsic.ll (added)
+++ llvm/trunk/test/CodeGen/PTX/intrinsic.ll Sat Mar 5 08:17:37 2011
@@ -0,0 +1,43 @@
+; RUN: llc < %s -march=ptx | FileCheck %s
+
+define ptx_device i16 @tid_x() {
+; CHECK: mov.u16 rh0, tid.x;
+; CHECK-NEXT: ret;
+ %x = call i16 @llvm.ptx.read.tid.x()
+ ret i16 %x
+}
+
+define ptx_device i16 @tid_y() {
+; CHECK: mov.u16 rh0, tid.y;
+; CHECK-NEXT: ret;
+ %x = call i16 @llvm.ptx.read.tid.y()
+ ret i16 %x
+}
+
+define ptx_device i16 @tid_z() {
+; CHECK: mov.u16 rh0, tid.z;
+; CHECK-NEXT: ret;
+ %x = call i16 @llvm.ptx.read.tid.z()
+ ret i16 %x
+}
+
+define ptx_device i16 @tid_w() {
+; CHECK: mov.u16 rh0, tid.w;
+; CHECK-NEXT: ret;
+ %x = call i16 @llvm.ptx.read.tid.w()
+ ret i16 %x
+}
+
+define ptx_device void @bar_sync() {
+; CHECK: bar.sync 0
+; CHECK-NEXT: ret;
+ call void @llvm.ptx.bar.sync(i32 0)
+ ret void
+}
+
+declare i16 @llvm.ptx.read.tid.x()
+declare i16 @llvm.ptx.read.tid.y()
+declare i16 @llvm.ptx.read.tid.z()
+declare i16 @llvm.ptx.read.tid.w()
+
+declare void @llvm.ptx.bar.sync(i32 %i)
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