AMDGPU/GlobalISel: Legalize concat_vectors
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@350598 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index 01ee4af..ef85c10 100644
--- a/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -38,6 +38,8 @@
const LLT S512 = LLT::scalar(512);
const LLT V2S16 = LLT::vector(2, 16);
+ const LLT V4S16 = LLT::vector(4, 16);
+ const LLT V8S16 = LLT::vector(8, 16);
const LLT V2S32 = LLT::vector(2, 32);
const LLT V3S32 = LLT::vector(3, 32);
@@ -279,6 +281,16 @@
.clampNumElements(0, V2S64, V8S64)
.minScalarSameAs(1, 0);
+ // TODO: Support any combination of v2s32
+ getActionDefinitionsBuilder(G_CONCAT_VECTORS)
+ .legalFor({{V4S32, V2S32},
+ {V8S32, V2S32},
+ {V8S32, V4S32},
+ {V4S64, V2S64},
+ {V4S16, V2S16},
+ {V8S16, V2S16},
+ {V8S16, V4S16}});
+
// Merge/Unmerge
for (unsigned Op : {G_MERGE_VALUES, G_UNMERGE_VALUES}) {
unsigned BigTyIdx = Op == G_MERGE_VALUES ? 0 : 1;
diff --git a/test/CodeGen/AMDGPU/GlobalISel/legalize-concat-vectors.mir b/test/CodeGen/AMDGPU/GlobalISel/legalize-concat-vectors.mir
new file mode 100644
index 0000000..c3e1bca
--- /dev/null
+++ b/test/CodeGen/AMDGPU/GlobalISel/legalize-concat-vectors.mir
@@ -0,0 +1,129 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -O0 -run-pass=legalizer %s -o - | FileCheck %s
+
+---
+name: concat_vectors_v2s32_v2s32
+
+body: |
+ bb.0:
+ liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+ ; CHECK-LABEL: name: concat_vectors_v2s32_v2s32
+ ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s32>) = G_CONCAT_VECTORS [[COPY]](<2 x s32>), [[COPY1]](<2 x s32>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<4 x s32>)
+ %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+ %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
+ %2:_(<4 x s32>) = G_CONCAT_VECTORS %0, %1
+ $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
+...
+
+---
+name: concat_vectors_v2s16_v2s16
+
+body: |
+ bb.0:
+ liveins: $vgpr0, $vgpr1
+ ; CHECK-LABEL: name: concat_vectors_v2s16_v2s16
+ ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s16>) = G_CONCAT_VECTORS [[COPY]](<2 x s16>), [[COPY1]](<2 x s16>)
+ ; CHECK: $vgpr0_vgpr1 = COPY [[CONCAT_VECTORS]](<4 x s16>)
+ %0:_(<2 x s16>) = COPY $vgpr0
+ %1:_(<2 x s16>) = COPY $vgpr1
+ %2:_(<4 x s16>) = G_CONCAT_VECTORS %0, %1
+ $vgpr0_vgpr1 = COPY %2
+...
+
+---
+name: concat_vectors_v2s16_v2s16_v2s16_v2s16
+
+body: |
+ bb.0:
+ liveins: $vgpr0, $vgpr1, $vgpr2, $vgpr3
+ ; CHECK-LABEL: name: concat_vectors_v2s16_v2s16_v2s16_v2s16
+ ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr0
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr1
+ ; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr2
+ ; CHECK: [[COPY3:%[0-9]+]]:_(<2 x s16>) = COPY $vgpr3
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s16>) = G_CONCAT_VECTORS [[COPY]](<2 x s16>), [[COPY1]](<2 x s16>), [[COPY2]](<2 x s16>), [[COPY3]](<2 x s16>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<8 x s16>)
+ %0:_(<2 x s16>) = COPY $vgpr0
+ %1:_(<2 x s16>) = COPY $vgpr1
+ %2:_(<2 x s16>) = COPY $vgpr2
+ %3:_(<2 x s16>) = COPY $vgpr3
+ %4:_(<8 x s16>) = G_CONCAT_VECTORS %0, %1, %2, %3
+ $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %4
+...
+
+---
+name: concat_vectors_v4s16_v4s16
+
+body: |
+ bb.0:
+ liveins: $vgpr0_vgpr1, $vgpr2_vgpr3
+ ; CHECK-LABEL: name: concat_vectors_v4s16_v4s16
+ ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr0_vgpr1
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<4 x s16>) = COPY $vgpr2_vgpr3
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s16>) = G_CONCAT_VECTORS [[COPY]](<4 x s16>), [[COPY1]](<4 x s16>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3 = COPY [[CONCAT_VECTORS]](<8 x s16>)
+ %0:_(<4 x s16>) = COPY $vgpr0_vgpr1
+ %1:_(<4 x s16>) = COPY $vgpr2_vgpr3
+ %2:_(<8 x s16>) = G_CONCAT_VECTORS %0, %1
+ $vgpr0_vgpr1_vgpr2_vgpr3 = COPY %2
+...
+
+---
+name: concat_vectors_v4s32_v4s32
+
+body: |
+ bb.0:
+ liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7
+ ; CHECK-LABEL: name: concat_vectors_v4s32_v4s32
+ ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<4 x s32>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[COPY]](<4 x s32>), [[COPY1]](<4 x s32>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<8 x s32>)
+ %0:_(<4 x s32>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3,
+ %1:_(<4 x s32>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
+ %2:_(<8 x s32>) = G_CONCAT_VECTORS %0, %1
+ $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %2
+...
+
+---
+name: concat_vectors_v2s32_v2s32_v2s32_v2s32
+
+body: |
+ bb.0:
+ liveins: $vgpr0_vgpr1, $vgpr2_vgpr3, $vgpr4_vgpr5, $vgpr6_vgpr7
+ ; CHECK-LABEL: name: concat_vectors_v2s32_v2s32_v2s32_v2s32
+ ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr0_vgpr1
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr2_vgpr3
+ ; CHECK: [[COPY2:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr4_vgpr5
+ ; CHECK: [[COPY3:%[0-9]+]]:_(<2 x s32>) = COPY $vgpr6_vgpr7
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<8 x s32>) = G_CONCAT_VECTORS [[COPY]](<2 x s32>), [[COPY1]](<2 x s32>), [[COPY2]](<2 x s32>), [[COPY3]](<2 x s32>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<8 x s32>)
+ %0:_(<2 x s32>) = COPY $vgpr0_vgpr1
+ %1:_(<2 x s32>) = COPY $vgpr2_vgpr3
+ %2:_(<2 x s32>) = COPY $vgpr4_vgpr5
+ %3:_(<2 x s32>) = COPY $vgpr6_vgpr7
+
+ %4:_(<8 x s32>) = G_CONCAT_VECTORS %0, %1, %2, %3
+ $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %4
+...
+---
+name: concat_vectors_v2s64_v2s64
+
+body: |
+ bb.0:
+ liveins: $vgpr0_vgpr1_vgpr2_vgpr3, $vgpr4_vgpr5_vgpr6_vgpr7
+ ; CHECK-LABEL: name: concat_vectors_v2s64_v2s64
+ ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+ ; CHECK: [[COPY1:%[0-9]+]]:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
+ ; CHECK: [[CONCAT_VECTORS:%[0-9]+]]:_(<4 x s64>) = G_CONCAT_VECTORS [[COPY]](<2 x s64>), [[COPY1]](<2 x s64>)
+ ; CHECK: $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY [[CONCAT_VECTORS]](<4 x s64>)
+ %0:_(<2 x s64>) = COPY $vgpr0_vgpr1_vgpr2_vgpr3
+ %1:_(<2 x s64>) = COPY $vgpr4_vgpr5_vgpr6_vgpr7
+ %2:_(<4 x s64>) = G_CONCAT_VECTORS %0, %1
+ $vgpr0_vgpr1_vgpr2_vgpr3_vgpr4_vgpr5_vgpr6_vgpr7 = COPY %2
+...
