[llvm] dd09ec1 - AMDGPU/GlobalISel: Select llvm.amdgcn.mov.dpp8

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2020-01-22T11:43:40-05:00
New Revision: dd09ec1208bd93a42cece7abd31fc5e31f1b76d8

URL: https://github.com/llvm/llvm-project/commit/dd09ec1208bd93a42cece7abd31fc5e31f1b76d8
DIFF: https://github.com/llvm/llvm-project/commit/dd09ec1208bd93a42cece7abd31fc5e31f1b76d8.diff

LOG: AMDGPU/GlobalISel: Select llvm.amdgcn.mov.dpp8

Added: 
    llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mov.dpp8.ll

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
    llvm/lib/Target/AMDGPU/VOP1Instructions.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
index 96a093777f65..005433ef2fc1 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
@@ -3103,6 +3103,7 @@ AMDGPURegisterBankInfo::getInstrMapping(const MachineInstr &MI) const {
     case Intrinsic::amdgcn_ds_permute:
     case Intrinsic::amdgcn_ds_bpermute:
     case Intrinsic::amdgcn_update_dpp:
+    case Intrinsic::amdgcn_mov_dpp8:
       return getDefaultMappingAllVGPR(MI);
     case Intrinsic::amdgcn_kernarg_segment_ptr:
     case Intrinsic::amdgcn_s_getpc:

diff  --git a/llvm/lib/Target/AMDGPU/VOP1Instructions.td b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
index c3e883ed19d3..c3e963c00694 100644
--- a/llvm/lib/Target/AMDGPU/VOP1Instructions.td
+++ b/llvm/lib/Target/AMDGPU/VOP1Instructions.td
@@ -888,6 +888,7 @@ defm V_SCREEN_PARTITION_4SE_B32 : VOP1_Real_gfx9 <0x37>;
 let OtherPredicates = [isGFX10Plus] in {
 def : GCNPat <
   (i32 (int_amdgcn_mov_dpp8 i32:$src, timm:$dpp8)),
-  (V_MOV_B32_dpp8_gfx10 $src, $src, (as_i32imm $dpp8), (i32 DPP8Mode.FI_0))
+  (V_MOV_B32_dpp8_gfx10 VGPR_32:$src, VGPR_32:$src,
+                        (as_i32timm $dpp8), (i32 DPP8Mode.FI_0))
 >;
 } // End OtherPredicates = [isGFX10Plus]

diff  --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mov.dpp8.ll b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mov.dpp8.ll
new file mode 100644
index 000000000000..48ffc9a2e99d
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mov.dpp8.ll
@@ -0,0 +1 @@
+; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-flat-for-global -verify-machineinstrs < %S/../llvm.amdgcn.mov.dpp8.ll | FileCheck -check-prefix=GFX10 %S/../llvm.amdgcn.mov.dpp8.ll