[llvm] r366086 - AMDGPU/GlobalISel: RegBankSelect for G_CONCAT_VECTORS

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Mon Jul 15 10:20:40 2019
New Revision: 366086

URL: http://llvm.org/viewvc/llvm-project?rev=366086&view=rev
Log:
AMDGPU/GlobalISel: RegBankSelect for G_CONCAT_VECTORS

Added:
    llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir
Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp?rev=366086&r1=366085&r2=366086&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPURegisterBankInfo.cpp Mon Jul 15 10:20:40 2019
@@ -1653,7 +1653,8 @@ AMDGPURegisterBankInfo::getInstrMapping(
     break;
   }
   case AMDGPU::G_MERGE_VALUES:
-  case AMDGPU::G_BUILD_VECTOR: {
+  case AMDGPU::G_BUILD_VECTOR:
+  case AMDGPU::G_CONCAT_VECTORS: {
     unsigned Bank = isSALUMapping(MI) ?
       AMDGPU::SGPRRegBankID : AMDGPU::VGPRRegBankID;
     unsigned DstSize = MRI.getType(MI.getOperand(0).getReg()).getSizeInBits();

Added: llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir?rev=366086&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir (added)
+++ llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/regbankselect-concat-vector.mir Mon Jul 15 10:20:40 2019
@@ -0,0 +1,69 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-fast -verify-machineinstrs -o - %s | FileCheck %s
+# RUN: llc -march=amdgcn -mcpu=fiji -run-pass=regbankselect -regbankselect-greedy -verify-machineinstrs -o - %s | FileCheck %s
+
+---
+name: concat_vectors_v4s16_ss
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $sgpr1
+    ; CHECK-LABEL: name: concat_vectors_v4s16_ss
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s16>) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s16>) = COPY $sgpr1
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:sgpr(<4 x s16>) = G_CONCAT_VECTORS [[COPY]](<2 x s16>), [[COPY1]](<2 x s16>)
+    %0:_(<2 x s16>) = COPY $sgpr0
+    %1:_(<2 x s16>) = COPY $sgpr1
+    %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
+...
+
+---
+name: concat_vectors_v4s16_sv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $sgpr0, $vgpr0
+    ; CHECK-LABEL: name: concat_vectors_v4s16_sv
+    ; CHECK: [[COPY:%[0-9]+]]:sgpr(<2 x s16>) = COPY $sgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(<2 x s16>) = COPY [[COPY]](<2 x s16>)
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[COPY2]](<2 x s16>), [[COPY1]](<2 x s16>)
+    %0:_(<2 x s16>) = COPY $sgpr0
+    %1:_(<2 x s16>) = COPY $vgpr0
+    %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
+...
+
+---
+name: concat_vectors_v4s16_vs
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $sgpr0
+    ; CHECK-LABEL: name: concat_vectors_v4s16_vs
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:sgpr(<2 x s16>) = COPY $sgpr0
+    ; CHECK: [[COPY2:%[0-9]+]]:vgpr(<2 x s16>) = COPY [[COPY1]](<2 x s16>)
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[COPY]](<2 x s16>), [[COPY2]](<2 x s16>)
+    %0:_(<2 x s16>) = COPY $vgpr0
+    %1:_(<2 x s16>) = COPY $sgpr0
+    %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
+...
+
+---
+name: concat_vectors_v4s16_vv
+legalized: true
+
+body: |
+  bb.0:
+    liveins: $vgpr0, $vgpr1
+    ; CHECK-LABEL: name: concat_vectors_v4s16_vv
+    ; CHECK: [[COPY:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr0
+    ; CHECK: [[COPY1:%[0-9]+]]:vgpr(<2 x s16>) = COPY $vgpr1
+    ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:vgpr(<4 x s16>) = G_CONCAT_VECTORS [[COPY]](<2 x s16>), [[COPY1]](<2 x s16>)
+    %0:_(<2 x s16>) = COPY $vgpr0
+    %1:_(<2 x s16>) = COPY $vgpr1
+    %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
+...