r363435 - [OpenMP] Avoid emitting maps for target link variables when unified memory is used
Gheorghe-Teodor Bercea via cfe-commits
cfe-commits at lists.llvm.org
Fri Jun 14 10:58:27 PDT 2019
Author: gbercea
Date: Fri Jun 14 10:58:26 2019
New Revision: 363435
URL: http://llvm.org/viewvc/llvm-project?rev=363435&view=rev
Log:
[OpenMP] Avoid emitting maps for target link variables when unified memory is used
Summary: This patch avoids the emission of maps for target link variables when unified memory is present.
Reviewers: ABataev, caomhin
Reviewed By: ABataev
Subscribers: guansong, jdoerfert, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D60883
Modified:
cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h
cfe/trunk/lib/Sema/SemaOpenMP.cpp
cfe/trunk/test/OpenMP/nvptx_target_requires_unified_shared_memory.cpp
Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp?rev=363435&r1=363434&r2=363435&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp Fri Jun 14 10:58:26 2019
@@ -8266,7 +8266,8 @@ public:
continue;
llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res =
OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD);
- if (!Res || *Res != OMPDeclareTargetDeclAttr::MT_Link)
+ if (CGF.CGM.getOpenMPRuntime().hasRequiresUnifiedSharedMemory() ||
+ !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link)
continue;
StructRangeInfoTy PartialStruct;
generateInfoForComponentList(
@@ -9251,6 +9252,10 @@ bool CGOpenMPRuntime::hasAllocateAttribu
return false;
}
+bool CGOpenMPRuntime::hasRequiresUnifiedSharedMemory() const {
+ return HasRequiresUnifiedSharedMemory;
+}
+
CGOpenMPRuntime::DisableAutoDeclareTargetRAII::DisableAutoDeclareTargetRAII(
CodeGenModule &CGM)
: CGM(CGM) {
Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h?rev=363435&r1=363434&r2=363435&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h (original)
+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h Fri Jun 14 10:58:26 2019
@@ -1623,6 +1623,9 @@ public:
/// the predefined allocator and translates it into the corresponding address
/// space.
virtual bool hasAllocateAttributeForGlobalVar(const VarDecl *VD, LangAS &AS);
+
+ /// Return whether the unified_shared_memory has been specified.
+ bool hasRequiresUnifiedSharedMemory() const;
};
/// Class supports emissionof SIMD-only code.
Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=363435&r1=363434&r2=363435&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Fri Jun 14 10:58:26 2019
@@ -2667,7 +2667,8 @@ public:
llvm::Optional<OMPDeclareTargetDeclAttr::MapTypeTy> Res =
OMPDeclareTargetDeclAttr::isDeclareTargetDeclaration(VD);
if (VD->hasGlobalStorage() && CS && !CS->capturesVariable(VD) &&
- (!Res || *Res != OMPDeclareTargetDeclAttr::MT_Link))
+ (Stack->hasRequiresDeclWithClause<OMPUnifiedSharedMemoryClause>() ||
+ !Res || *Res != OMPDeclareTargetDeclAttr::MT_Link))
return;
SourceLocation ELoc = E->getExprLoc();
Modified: cfe/trunk/test/OpenMP/nvptx_target_requires_unified_shared_memory.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/nvptx_target_requires_unified_shared_memory.cpp?rev=363435&r1=363434&r2=363435&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/nvptx_target_requires_unified_shared_memory.cpp (original)
+++ cfe/trunk/test/OpenMP/nvptx_target_requires_unified_shared_memory.cpp Fri Jun 14 10:58:26 2019
@@ -26,42 +26,35 @@ int bar(int n){
// CHECK: [[VAR:@.+]] = global double 1.000000e+01
// CHECK: [[VAR_DECL_TGT_LINK_PTR:@.+]] = global double* [[VAR]]
-// CHECK: [[OFFLOAD_SIZES:@.+]] = private unnamed_addr constant [3 x i64] [i64 4, i64 8, i64 8]
-// CHECK: [[OFFLOAD_MAPTYPES:@.+]] = private unnamed_addr constant [3 x i64] [i64 800, i64 800, i64 531]
+// CHECK: [[OFFLOAD_SIZES:@.+]] = private unnamed_addr constant [2 x i64] [i64 4, i64 8]
+// CHECK: [[OFFLOAD_MAPTYPES:@.+]] = private unnamed_addr constant [2 x i64] [i64 800, i64 800]
// CHECK: [[N_CASTED:%.+]] = alloca i64
// CHECK: [[SUM_CASTED:%.+]] = alloca i64
-// CHECK: [[OFFLOAD_BASEPTRS:%.+]] = alloca [3 x i8*]
-// CHECK: [[OFFLOAD_PTRS:%.+]] = alloca [3 x i8*]
+// CHECK: [[OFFLOAD_BASEPTRS:%.+]] = alloca [2 x i8*]
+// CHECK: [[OFFLOAD_PTRS:%.+]] = alloca [2 x i8*]
// CHECK: [[LOAD1:%.+]] = load i64, i64* [[N_CASTED]]
// CHECK: [[LOAD2:%.+]] = load i64, i64* [[SUM_CASTED]]
-// CHECK: [[BPTR1:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 0
+// CHECK: [[BPTR1:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 0
// CHECK: [[BCAST1:%.+]] = bitcast i8** [[BPTR1]] to i64*
// CHECK: store i64 [[LOAD1]], i64* [[BCAST1]]
-// CHECK: [[BPTR2:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 0
+// CHECK: [[BPTR2:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 0
// CHECK: [[BCAST2:%.+]] = bitcast i8** [[BPTR2]] to i64*
// CHECK: store i64 [[LOAD1]], i64* [[BCAST2]]
-// CHECK: [[BPTR3:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 1
+// CHECK: [[BPTR3:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 1
// CHECK: [[BCAST3:%.+]] = bitcast i8** [[BPTR3]] to i64*
// CHECK: store i64 [[LOAD2]], i64* [[BCAST3]]
-// CHECK: [[BPTR4:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 1
+// CHECK: [[BPTR4:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 1
// CHECK: [[BCAST4:%.+]] = bitcast i8** [[BPTR4]] to i64*
// CHECK: store i64 [[LOAD2]], i64* [[BCAST4]]
-// CHECK: [[BPTR5:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 2
-// CHECK: [[BCAST5:%.+]] = bitcast i8** [[BPTR5]] to double***
-// CHECK: store double** [[VAR_DECL_TGT_LINK_PTR]], double*** [[BCAST5]]
-// CHECK: [[BPTR6:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 2
-// CHECK: [[BCAST6:%.+]] = bitcast i8** [[BPTR6]] to double**
-// CHECK: store double* [[VAR]], double** [[BCAST6]]
+// CHECK: [[BPTR7:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 0
+// CHECK: [[BPTR8:%.+]] = getelementptr inbounds [2 x i8*], [2 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 0
-// CHECK: [[BPTR7:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_BASEPTRS]], i32 0, i32 0
-// CHECK: [[BPTR8:%.+]] = getelementptr inbounds [3 x i8*], [3 x i8*]* [[OFFLOAD_PTRS]], i32 0, i32 0
-
-// CHECK: call i32 @__tgt_target(i64 -1, i8* @{{.*}}.region_id, i32 3, i8** [[BPTR7]], i8** [[BPTR8]], i64* getelementptr inbounds ([3 x i64], [3 x i64]* [[OFFLOAD_SIZES]], i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* [[OFFLOAD_MAPTYPES]], i32 0, i32 0))
+// CHECK: call i32 @__tgt_target(i64 -1, i8* @{{.*}}.region_id, i32 2, i8** [[BPTR7]], i8** [[BPTR8]], i64* getelementptr inbounds ([2 x i64], [2 x i64]* [[OFFLOAD_SIZES]], i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* [[OFFLOAD_MAPTYPES]], i32 0, i32 0))
#endif
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