[llvm] r317862 - [AMDGPU] Fix pointer info for lowering load/store for r600 for amdgiz environment

Yaxun Liu via llvm-commits llvm-commits at lists.llvm.org
Thu Nov 9 18:03:28 PST 2017


Author: yaxunl
Date: Thu Nov  9 18:03:28 2017
New Revision: 317862

URL: http://llvm.org/viewvc/llvm-project?rev=317862&view=rev
Log:
[AMDGPU] Fix pointer info for lowering load/store for r600 for amdgiz environment

r600 uses dummy pointer info for lowering load/store. Since dummy pointer info
assumes address space 0, this causes isel failure when temporary load/store SDNodes
are generated for amdgiz environment.

Since the offest is not constant, FixedStack pseudo source value cannot be used
to create the pointer info. This patch creates pointer info using llvm undef value.
At least this provides correct address space so that isel can be done correctly.

Differential Revision: https://reviews.llvm.org/D39698

Modified:
    llvm/trunk/lib/Target/AMDGPU/R600ISelLowering.cpp
    llvm/trunk/test/CodeGen/AMDGPU/combine_vloads.ll
    llvm/trunk/test/CodeGen/AMDGPU/load-local-i8.ll
    llvm/trunk/test/CodeGen/AMDGPU/min.ll
    llvm/trunk/test/CodeGen/AMDGPU/setcc.ll
    llvm/trunk/test/CodeGen/AMDGPU/sext-in-reg.ll
    llvm/trunk/test/CodeGen/AMDGPU/shl.ll
    llvm/trunk/test/CodeGen/AMDGPU/sra.ll
    llvm/trunk/test/CodeGen/AMDGPU/store-global.ll
    llvm/trunk/test/CodeGen/AMDGPU/store-local.ll
    llvm/trunk/test/CodeGen/AMDGPU/trunc-vector-store-assertion-failure.ll

Modified: llvm/trunk/lib/Target/AMDGPU/R600ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/R600ISelLowering.cpp?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/R600ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/R600ISelLowering.cpp Thu Nov  9 18:03:28 2017
@@ -1145,7 +1145,9 @@ SDValue R600TargetLowering::lowerPrivate
 
   // Load dword
   // TODO: can we be smarter about machine pointer info?
-  SDValue Dst = DAG.getLoad(MVT::i32, DL, Chain, Ptr, MachinePointerInfo());
+  MachinePointerInfo PtrInfo(UndefValue::get(
+      Type::getInt32PtrTy(*DAG.getContext(), AMDGPUASI.PRIVATE_ADDRESS)));
+  SDValue Dst = DAG.getLoad(MVT::i32, DL, Chain, Ptr, PtrInfo);
 
   Chain = Dst.getValue(1);
 
@@ -1184,7 +1186,7 @@ SDValue R600TargetLowering::lowerPrivate
 
   // Store dword
   // TODO: Can we be smarter about MachinePointerInfo?
-  SDValue NewStore = DAG.getStore(Chain, DL, Value, Ptr, MachinePointerInfo());
+  SDValue NewStore = DAG.getStore(Chain, DL, Value, Ptr, PtrInfo);
 
   // If we are part of expanded vector, make our neighbors depend on this store
   if (VectorTrunc) {
@@ -1371,7 +1373,9 @@ SDValue R600TargetLowering::lowerPrivate
 
   // Load dword
   // TODO: can we be smarter about machine pointer info?
-  SDValue Read = DAG.getLoad(MVT::i32, DL, Chain, Ptr, MachinePointerInfo());
+  MachinePointerInfo PtrInfo(UndefValue::get(
+      Type::getInt32PtrTy(*DAG.getContext(), AMDGPUASI.PRIVATE_ADDRESS)));
+  SDValue Read = DAG.getLoad(MVT::i32, DL, Chain, Ptr, PtrInfo);
 
   // Get offset within the register.
   SDValue ByteIdx = DAG.getNode(ISD::AND, DL, MVT::i32,

Modified: llvm/trunk/test/CodeGen/AMDGPU/combine_vloads.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/combine_vloads.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/combine_vloads.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/combine_vloads.ll Thu Nov  9 18:03:28 2017
@@ -1,7 +1,7 @@
-; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
 
 ;
-; kernel void combine_vloads(global char8* src, global char8* result) {
+; kernel void combine_vloads(global char8 addrspace(5)* src, global char8 addrspace(5)* result) {
 ;   for (int i = 0; i < 1024; ++i)
 ;     result[i] = src[0] + src[1] + src[2] + src[3];
 ; }

Modified: llvm/trunk/test/CodeGen/AMDGPU/load-local-i8.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/load-local-i8.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/load-local-i8.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/load-local-i8.ll Thu Nov  9 18:03:28 2017
@@ -1,6 +1,6 @@
-; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SI,FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VI,FUNC %s
-; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,SI,FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,VI,FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 
 ; FUNC-LABEL: {{^}}local_load_i8:

Modified: llvm/trunk/test/CodeGen/AMDGPU/min.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/min.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/min.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/min.ll Thu Nov  9 18:03:28 2017
@@ -1,7 +1,7 @@
-; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 ; FUNC-LABEL: {{^}}v_test_imin_sle_i32:
 ; GCN: v_min_i32_e32

Modified: llvm/trunk/test/CodeGen/AMDGPU/setcc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/setcc.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/setcc.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/setcc.ll Thu Nov  9 18:03:28 2017
@@ -1,5 +1,5 @@
-; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
 
 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/sext-in-reg.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/sext-in-reg.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/sext-in-reg.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/sext-in-reg.ll Thu Nov  9 18:03:28 2017
@@ -1,7 +1,8 @@
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs -enable-packed-inlinable-literals < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mtriple=r600---amdgiz -mcpu=cypress < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+target datalayout = "A5"
 
 ; FIXME: i16 promotion pass ruins the scalar cases when legal.
 ; FIXME: r600 fails verifier

Modified: llvm/trunk/test/CodeGen/AMDGPU/shl.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/shl.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/shl.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/shl.ll Thu Nov  9 18:03:28 2017
@@ -1,6 +1,6 @@
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
-; XUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
+; XUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mtriple=r600---amdgiz -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 declare i32 @llvm.r600.read.tidig.x() #0
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/sra.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/sra.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/sra.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/sra.ll Thu Nov  9 18:03:28 2017
@@ -1,6 +1,6 @@
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
-; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=FUNC %s
+; RUN:  llc -amdgpu-scalarize-global-loads=false  -march=r600 -mtriple=r600---amdgiz -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
 
 declare i32 @llvm.r600.read.tidig.x() #0
 

Modified: llvm/trunk/test/CodeGen/AMDGPU/store-global.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/store-global.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/store-global.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/store-global.ll Thu Nov  9 18:03:28 2017
@@ -1,8 +1,8 @@
-; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SIVI -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SIVI -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=CM -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SIVI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SIVI -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=GFX9 -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=redwood -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=CM -check-prefix=FUNC %s
 
 ; FUNC-LABEL: {{^}}store_i1:
 ; EG: MEM_RAT MSKOR

Modified: llvm/trunk/test/CodeGen/AMDGPU/store-local.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/store-local.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/store-local.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/store-local.ll Thu Nov  9 18:03:28 2017
@@ -1,7 +1,7 @@
-; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
-; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
-; RUN: llc -march=r600 -mcpu=cayman < %s | FileCheck -check-prefix=CM -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mtriple=amdgcn---amdgiz -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mtriple=r600---amdgiz -mcpu=cayman < %s | FileCheck -check-prefix=CM -check-prefix=FUNC %s
 
 ; FUNC-LABEL: {{^}}store_local_i1:
 ; EG: LDS_BYTE_WRITE

Modified: llvm/trunk/test/CodeGen/AMDGPU/trunc-vector-store-assertion-failure.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/trunc-vector-store-assertion-failure.ll?rev=317862&r1=317861&r2=317862&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/trunc-vector-store-assertion-failure.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/trunc-vector-store-assertion-failure.ll Thu Nov  9 18:03:28 2017
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s
+; RUN: llc < %s -march=r600 -mtriple=r600---amdgiz -mcpu=redwood | FileCheck %s
 
 ; This tests for a bug in the SelectionDAG where custom lowered truncated
 ; vector stores at the end of a basic block were not being added to the




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