[llvm] r334823 - DAG: Fix creating concat_vectors with illegal type

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 15 05:09:15 PDT 2018


Author: arsenm
Date: Fri Jun 15 05:09:15 2018
New Revision: 334823

URL: http://llvm.org/viewvc/llvm-project?rev=334823&view=rev
Log:
DAG: Fix creating concat_vectors with illegal type

Test passes as is, but fails with future patch to make v4i16/v4f16
legal.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    llvm/trunk/test/CodeGen/AMDGPU/concat_vectors.ll

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp?rev=334823&r1=334822&r2=334823&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Fri Jun 15 05:09:15 2018
@@ -15485,9 +15485,12 @@ SDValue DAGCombiner::visitBUILD_VECTOR(S
         unsigned NumElts = N->getNumOperands() * SrcVT.getVectorNumElements();
         EVT NewVT = EVT::getVectorVT(*DAG.getContext(),
                                      SrcVT.getVectorElementType(), NumElts);
-        SmallVector<SDValue, 8> Ops(N->getNumOperands(), Splat);
-        SDValue Concat = DAG.getNode(ISD::CONCAT_VECTORS, SDLoc(N), NewVT, Ops);
-        return DAG.getBitcast(VT, Concat);
+        if (!LegalTypes || TLI.isTypeLegal(NewVT)) {
+          SmallVector<SDValue, 8> Ops(N->getNumOperands(), Splat);
+          SDValue Concat = DAG.getNode(ISD::CONCAT_VECTORS, SDLoc(N),
+                                       NewVT, Ops);
+          return DAG.getBitcast(VT, Concat);
+        }
       }
     }
   }

Modified: llvm/trunk/test/CodeGen/AMDGPU/concat_vectors.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/concat_vectors.ll?rev=334823&r1=334822&r2=334823&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/concat_vectors.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/concat_vectors.ll Fri Jun 15 05:09:15 2018
@@ -1,291 +1,291 @@
-; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN,SI %s
+; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VI %s
 
-; FUNC-LABEL: {{^}}test_concat_v1i32:
+; GCN-LABEL: {{^}}test_concat_v1i32:
 ; 0x80f000 is the high 32 bits of the resource descriptor used by MUBUF
 ; instructions that access scratch memory.  Bit 23, which is the add_tid_enable
 ; bit, is only set for scratch access, so we can check for the absence of this
 ; value if we want to ensure scratch memory is not being used.
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1i32(<2 x i32> addrspace(1)* %out, <1 x i32> %a, <1 x i32> %b) nounwind {
   %concat = shufflevector <1 x i32> %a, <1 x i32> %b, <2 x i32> <i32 0, i32 1>
   store <2 x i32> %concat, <2 x i32> addrspace(1)* %out, align 8
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2i32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2i32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2i32(<4 x i32> addrspace(1)* %out, <2 x i32> %a, <2 x i32> %b) nounwind {
   %concat = shufflevector <2 x i32> %a, <2 x i32> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x i32> %concat, <4 x i32> addrspace(1)* %out, align 16
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4i32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4i32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4i32(<8 x i32> addrspace(1)* %out, <4 x i32> %a, <4 x i32> %b) nounwind {
   %concat = shufflevector <4 x i32> %a, <4 x i32> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x i32> %concat, <8 x i32> addrspace(1)* %out, align 32
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8i32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8i32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8i32(<16 x i32> addrspace(1)* %out, <8 x i32> %a, <8 x i32> %b) nounwind {
   %concat = shufflevector <8 x i32> %a, <8 x i32> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x i32> %concat, <16 x i32> addrspace(1)* %out, align 64
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16i32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16i32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16i32(<32 x i32> addrspace(1)* %out, <16 x i32> %a, <16 x i32> %b) nounwind {
   %concat = shufflevector <16 x i32> %a, <16 x i32> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x i32> %concat, <32 x i32> addrspace(1)* %out, align 128
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v1f32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v1f32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1f32(<2 x float> addrspace(1)* %out, <1 x float> %a, <1 x float> %b) nounwind {
   %concat = shufflevector <1 x float> %a, <1 x float> %b, <2 x i32> <i32 0, i32 1>
   store <2 x float> %concat, <2 x float> addrspace(1)* %out, align 8
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2f32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2f32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2f32(<4 x float> addrspace(1)* %out, <2 x float> %a, <2 x float> %b) nounwind {
   %concat = shufflevector <2 x float> %a, <2 x float> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x float> %concat, <4 x float> addrspace(1)* %out, align 16
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4f32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4f32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4f32(<8 x float> addrspace(1)* %out, <4 x float> %a, <4 x float> %b) nounwind {
   %concat = shufflevector <4 x float> %a, <4 x float> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x float> %concat, <8 x float> addrspace(1)* %out, align 32
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8f32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8f32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8f32(<16 x float> addrspace(1)* %out, <8 x float> %a, <8 x float> %b) nounwind {
   %concat = shufflevector <8 x float> %a, <8 x float> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x float> %concat, <16 x float> addrspace(1)* %out, align 64
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16f32:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16f32:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16f32(<32 x float> addrspace(1)* %out, <16 x float> %a, <16 x float> %b) nounwind {
   %concat = shufflevector <16 x float> %a, <16 x float> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x float> %concat, <32 x float> addrspace(1)* %out, align 128
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v1i64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v1i64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1i64(<2 x double> addrspace(1)* %out, <1 x double> %a, <1 x double> %b) nounwind {
   %concat = shufflevector <1 x double> %a, <1 x double> %b, <2 x i32> <i32 0, i32 1>
   store <2 x double> %concat, <2 x double> addrspace(1)* %out, align 16
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2i64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2i64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2i64(<4 x double> addrspace(1)* %out, <2 x double> %a, <2 x double> %b) nounwind {
   %concat = shufflevector <2 x double> %a, <2 x double> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x double> %concat, <4 x double> addrspace(1)* %out, align 32
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4i64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4i64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4i64(<8 x double> addrspace(1)* %out, <4 x double> %a, <4 x double> %b) nounwind {
   %concat = shufflevector <4 x double> %a, <4 x double> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x double> %concat, <8 x double> addrspace(1)* %out, align 64
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8i64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8i64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8i64(<16 x double> addrspace(1)* %out, <8 x double> %a, <8 x double> %b) nounwind {
   %concat = shufflevector <8 x double> %a, <8 x double> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x double> %concat, <16 x double> addrspace(1)* %out, align 128
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16i64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16i64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16i64(<32 x double> addrspace(1)* %out, <16 x double> %a, <16 x double> %b) nounwind {
   %concat = shufflevector <16 x double> %a, <16 x double> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x double> %concat, <32 x double> addrspace(1)* %out, align 256
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v1f64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v1f64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1f64(<2 x double> addrspace(1)* %out, <1 x double> %a, <1 x double> %b) nounwind {
   %concat = shufflevector <1 x double> %a, <1 x double> %b, <2 x i32> <i32 0, i32 1>
   store <2 x double> %concat, <2 x double> addrspace(1)* %out, align 16
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2f64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2f64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2f64(<4 x double> addrspace(1)* %out, <2 x double> %a, <2 x double> %b) nounwind {
   %concat = shufflevector <2 x double> %a, <2 x double> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x double> %concat, <4 x double> addrspace(1)* %out, align 32
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4f64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4f64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4f64(<8 x double> addrspace(1)* %out, <4 x double> %a, <4 x double> %b) nounwind {
   %concat = shufflevector <4 x double> %a, <4 x double> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x double> %concat, <8 x double> addrspace(1)* %out, align 64
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8f64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8f64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8f64(<16 x double> addrspace(1)* %out, <8 x double> %a, <8 x double> %b) nounwind {
   %concat = shufflevector <8 x double> %a, <8 x double> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x double> %concat, <16 x double> addrspace(1)* %out, align 128
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16f64:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16f64:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16f64(<32 x double> addrspace(1)* %out, <16 x double> %a, <16 x double> %b) nounwind {
   %concat = shufflevector <16 x double> %a, <16 x double> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x double> %concat, <32 x double> addrspace(1)* %out, align 256
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v1i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v1i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1i1(<2 x i1> addrspace(1)* %out, <1 x i1> %a, <1 x i1> %b) nounwind {
   %concat = shufflevector <1 x i1> %a, <1 x i1> %b, <2 x i32> <i32 0, i32 1>
   store <2 x i1> %concat, <2 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2i1(<4 x i1> addrspace(1)* %out, <2 x i1> %a, <2 x i1> %b) nounwind {
   %concat = shufflevector <2 x i1> %a, <2 x i1> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x i1> %concat, <4 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4i1(<8 x i1> addrspace(1)* %out, <4 x i1> %a, <4 x i1> %b) nounwind {
   %concat = shufflevector <4 x i1> %a, <4 x i1> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x i1> %concat, <8 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8i1(<16 x i1> addrspace(1)* %out, <8 x i1> %a, <8 x i1> %b) nounwind {
   %concat = shufflevector <8 x i1> %a, <8 x i1> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x i1> %concat, <16 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16i1(<32 x i1> addrspace(1)* %out, <16 x i1> %a, <16 x i1> %b) nounwind {
   %concat = shufflevector <16 x i1> %a, <16 x i1> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x i1> %concat, <32 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v32i1:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v32i1:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v32i1(<64 x i1> addrspace(1)* %out, <32 x i1> %a, <32 x i1> %b) nounwind {
   %concat = shufflevector <32 x i1> %a, <32 x i1> %b, <64 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31, i32 32, i32 33, i32 34, i32 35, i32 36, i32 37, i32 38, i32 39, i32 40, i32 41, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49, i32 50, i32 51, i32 52, i32 53, i32 54, i32 55, i32 56, i32 57, i32 58, i32 59, i32 60, i32 61, i32 62, i32 63>
   store <64 x i1> %concat, <64 x i1> addrspace(1)* %out
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v1i16:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v1i16:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v1i16(<2 x i16> addrspace(1)* %out, <1 x i16> %a, <1 x i16> %b) nounwind {
   %concat = shufflevector <1 x i16> %a, <1 x i16> %b, <2 x i32> <i32 0, i32 1>
   store <2 x i16> %concat, <2 x i16> addrspace(1)* %out, align 4
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v2i16:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v2i16:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v2i16(<4 x i16> addrspace(1)* %out, <2 x i16> %a, <2 x i16> %b) nounwind {
   %concat = shufflevector <2 x i16> %a, <2 x i16> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
   store <4 x i16> %concat, <4 x i16> addrspace(1)* %out, align 8
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v4i16:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v4i16:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v4i16(<8 x i16> addrspace(1)* %out, <4 x i16> %a, <4 x i16> %b) nounwind {
   %concat = shufflevector <4 x i16> %a, <4 x i16> %b, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
   store <8 x i16> %concat, <8 x i16> addrspace(1)* %out, align 16
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v8i16:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v8i16:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v8i16(<16 x i16> addrspace(1)* %out, <8 x i16> %a, <8 x i16> %b) nounwind {
   %concat = shufflevector <8 x i16> %a, <8 x i16> %b, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   store <16 x i16> %concat, <16 x i16> addrspace(1)* %out, align 32
   ret void
 }
 
-; FUNC-LABEL: {{^}}test_concat_v16i16:
-; SI-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
-; SI-NOT: movrel
+; GCN-LABEL: {{^}}test_concat_v16i16:
+; GCN-NOT: s_mov_b32 s{{[0-9]}}, 0x80f000
+; GCN-NOT: movrel
 define amdgpu_kernel void @test_concat_v16i16(<32 x i16> addrspace(1)* %out, <16 x i16> %a, <16 x i16> %b) nounwind {
   %concat = shufflevector <16 x i16> %a, <16 x i16> %b, <32 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15, i32 16, i32 17, i32 18, i32 19, i32 20, i32 21, i32 22, i32 23, i32 24, i32 25, i32 26, i32 27, i32 28, i32 29, i32 30, i32 31>
   store <32 x i16> %concat, <32 x i16> addrspace(1)* %out, align 64
   ret void
 }
 
-; FUNC-LABEL: {{^}}concat_vector_crash:
-; SI: s_endpgm
+; GCN-LABEL: {{^}}concat_vector_crash:
+; GCN: s_endpgm
 define amdgpu_kernel void @concat_vector_crash(<8 x float> addrspace(1)* %out, <2 x float> addrspace(1)* %in) {
 bb:
   %tmp = load <2 x float>, <2 x float> addrspace(1)* %in, align 4
@@ -295,8 +295,8 @@ bb:
   ret void
 }
 
-; FUNC-LABEL: {{^}}concat_vector_crash2:
-; SI: s_endpgm
+; GCN-LABEL: {{^}}concat_vector_crash2:
+; GCN: s_endpgm
 define amdgpu_kernel void @concat_vector_crash2(<8 x i8> addrspace(1)* %out, i32 addrspace(1)* %in) {
   %tmp = load i32, i32 addrspace(1)* %in, align 1
   %tmp1 = trunc i32 %tmp to i24
@@ -306,3 +306,14 @@ define amdgpu_kernel void @concat_vector
   store <8 x i8> %tmp4, <8 x i8> addrspace(1)* %out, align 8
   ret void
 }
+
+; GCN-LABEL: {{^}}build_vector_splat_concat_v8i16:
+; VI: v_mov_b32_e32 v{{[0-9]+}}, 0{{$}}
+; VI: ds_write_b64
+; VI: ds_write2_b64
+define amdgpu_kernel void @build_vector_splat_concat_v8i16() {
+entry:
+  store <8 x i16> zeroinitializer, <8 x i16> addrspace(3)* undef, align 16
+  store <8 x i16> zeroinitializer, <8 x i16> addrspace(3)* null, align 16
+  ret void
+}




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