[llvm] r305098 - [AMDGPU] Add intrinsics for alignbit and alignbyte instructions

[Stanislav Mekhanoshin via llvm-commits]

Author: rampitec
Date: Fri Jun  9 14:03:00 2017
New Revision: 305098

URL: http://llvm.org/viewvc/llvm-project?rev=305098&view=rev
Log:
[AMDGPU] Add intrinsics for alignbit and alignbyte instructions

Differential Revision: https://reviews.llvm.org/D34046

Added:
    llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.alignb.ll
Modified:
    llvm/trunk/include/llvm/IR/IntrinsicsAMDGPU.td
    llvm/trunk/lib/Target/AMDGPU/VOP3Instructions.td

Modified: llvm/trunk/include/llvm/IR/IntrinsicsAMDGPU.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IntrinsicsAMDGPU.td?rev=305098&r1=305097&r2=305098&view=diff
==============================================================================
--- llvm/trunk/include/llvm/IR/IntrinsicsAMDGPU.td (original)
+++ llvm/trunk/include/llvm/IR/IntrinsicsAMDGPU.td Fri Jun  9 14:03:00 2017
@@ -703,6 +703,16 @@ def int_amdgcn_readlane :
   GCCBuiltin<"__builtin_amdgcn_readlane">,
   Intrinsic<[llvm_i32_ty], [llvm_i32_ty, llvm_i32_ty], [IntrNoMem, IntrConvergent]>;
 
+def int_amdgcn_alignbit : Intrinsic<[llvm_i32_ty],
+  [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
+  [IntrNoMem, IntrSpeculatable]
+>;
+
+def int_amdgcn_alignbyte : Intrinsic<[llvm_i32_ty],
+  [llvm_i32_ty, llvm_i32_ty, llvm_i32_ty],
+  [IntrNoMem, IntrSpeculatable]
+>;
+
 //===----------------------------------------------------------------------===//
 // CI+ Intrinsics
 //===----------------------------------------------------------------------===//

Modified: llvm/trunk/lib/Target/AMDGPU/VOP3Instructions.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/VOP3Instructions.td?rev=305098&r1=305097&r2=305098&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/VOP3Instructions.td (original)
+++ llvm/trunk/lib/Target/AMDGPU/VOP3Instructions.td Fri Jun  9 14:03:00 2017
@@ -172,8 +172,8 @@ def V_CUBEMA_F32 : VOP3Inst <"v_cubema_f
 def V_BFE_U32 : VOP3Inst <"v_bfe_u32", VOP3_Profile<VOP_I32_I32_I32_I32>, AMDGPUbfe_u32>;
 def V_BFE_I32 : VOP3Inst <"v_bfe_i32", VOP3_Profile<VOP_I32_I32_I32_I32>, AMDGPUbfe_i32>;
 def V_BFI_B32 : VOP3Inst <"v_bfi_b32", VOP3_Profile<VOP_I32_I32_I32_I32>, AMDGPUbfi>;
-def V_ALIGNBIT_B32 : VOP3Inst <"v_alignbit_b32", VOP3_Profile<VOP_I32_I32_I32_I32>>;
-def V_ALIGNBYTE_B32 : VOP3Inst <"v_alignbyte_b32", VOP3_Profile<VOP_I32_I32_I32_I32>>;
+def V_ALIGNBIT_B32 : VOP3Inst <"v_alignbit_b32", VOP3_Profile<VOP_I32_I32_I32_I32>, int_amdgcn_alignbit>;
+def V_ALIGNBYTE_B32 : VOP3Inst <"v_alignbyte_b32", VOP3_Profile<VOP_I32_I32_I32_I32>, int_amdgcn_alignbyte>;
 def V_MIN3_F32 : VOP3Inst <"v_min3_f32", VOP3_Profile<VOP_F32_F32_F32_F32>, AMDGPUfmin3>;
 def V_MIN3_I32 : VOP3Inst <"v_min3_i32", VOP3_Profile<VOP_I32_I32_I32_I32>, AMDGPUsmin3>;
 def V_MIN3_U32 : VOP3Inst <"v_min3_u32", VOP3_Profile<VOP_I32_I32_I32_I32>, AMDGPUumin3>;

Added: llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.alignb.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.alignb.ll?rev=305098&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.alignb.ll (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/llvm.amdgcn.alignb.ll Fri Jun  9 14:03:00 2017
@@ -0,0 +1,23 @@
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
+
+declare i32 @llvm.amdgcn.alignbit(i32, i32, i32) #0
+declare i32 @llvm.amdgcn.alignbyte(i32, i32, i32) #0
+
+; GCN-LABEL: {{^}}v_alignbit_b32:
+; GCN: v_alignbit_b32 {{[vs][0-9]+}}, {{[vs][0-9]+}}, {{[vs][0-9]+}}
+define amdgpu_kernel void @v_alignbit_b32(i32 addrspace(1)* %out, i32 %src1, i32 %src2, i32 %src3) #1 {
+  %val = call i32 @llvm.amdgcn.alignbit(i32 %src1, i32 %src2, i32 %src3) #0
+  store i32 %val, i32 addrspace(1)* %out
+  ret void
+}
+
+; GCN-LABEL: {{^}}v_alignbyte_b32:
+; GCN: v_alignbyte_b32 {{[vs][0-9]+}}, {{[vs][0-9]+}}, {{[vs][0-9]+}}
+define amdgpu_kernel void @v_alignbyte_b32(i32 addrspace(1)* %out, i32 %src1, i32 %src2, i32 %src3) #1 {
+  %val = call i32 @llvm.amdgcn.alignbyte(i32 %src1, i32 %src2, i32 %src3) #0
+  store i32 %val, i32 addrspace(1)* %out
+  ret void
+}
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind }