<html><body><p>Thanks - already reverted and I found the problem. Will push a new version soon.<br><br>-- Carlo<br><br><img width="16" height="16" src="cid:2__=8FBBF5FFDF127A3A8f9e8a93df938690918c8FB@" border="0" alt="Inactive hide details for Nico Weber ---03/04/2016 06:09:59 PM---From: Nico Weber <thakis@google.com> To: Carlo Bertolli/Watson"><font color="#424282">Nico Weber ---03/04/2016 06:09:59 PM---From: Nico Weber <thakis@google.com> To: Carlo Bertolli/Watson/IBM@IBMUS</font><br><br><font size="2" color="#5F5F5F">From:        </font><font size="2">Nico Weber <thakis@google.com></font><br><font size="2" color="#5F5F5F">To:        </font><font size="2">Carlo Bertolli/Watson/IBM@IBMUS</font><br><font size="2" color="#5F5F5F">Cc:        </font><font size="2">cfe-commits <cfe-commits@lists.llvm.org></font><br><font size="2" color="#5F5F5F">Date:        </font><font size="2">03/04/2016 06:09 PM</font><br><font size="2" color="#5F5F5F">Subject:        </font><font size="2">Re: r262741 - [OPENMP] Codegen for distribute directive</font><br><hr width="100%" size="2" align="left" noshade style="color:#8091A5; "><br><br><br><font size="4">Looks like the new tests don't pass on Windows: </font><a href="http://lab.llvm.org:8011/builders/clang-x64-ninja-win7/builds/10365"><u><font size="4" color="#0000FF">http://lab.llvm.org:8011/builders/clang-x64-ninja-win7/builds/10365</font></u></a><p><font size="4">On Mar 4, 2016 12:29 PM, "Carlo Bertolli via cfe-commits" <</font><a href="mailto:cfe-commits@lists.llvm.org"><u><font size="4" color="#0000FF">cfe-commits@lists.llvm.org</font></u></a><font size="4">> wrote:</font><ul><font size="4">Author: cbertol<br>Date: Fri Mar  4 14:24:58 2016<br>New Revision: 262741<br><br>URL: </font><a href="http://llvm.org/viewvc/llvm-project?rev=262741&view=rev" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project?rev=262741&view=rev</font></u></a><font size="4"><br>Log:<br>[OPENMP] Codegen for distribute directive<br><br>This patch provide basic implementation of codegen for teams directive, excluding all clauses except dist_schedule. It also fixes parts of AST reader/writer to enable correct pre-compiled header handling.<br></font><u><font size="4" color="#0000FF"><br></font></u><a href="http://reviews.llvm.org/D17170" target="_blank"><u><font size="4" color="#0000FF">http://reviews.llvm.org/D17170</font></u></a><font size="4"><br><br><br>Added:<br>    cfe/trunk/test/OpenMP/distribute_codegen.cpp<br>Modified:<br>    cfe/trunk/include/clang/AST/StmtOpenMP.h<br>    cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp<br>    cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h<br>    cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp<br>    cfe/trunk/lib/CodeGen/CodeGenFunction.h<br>    cfe/trunk/lib/Serialization/ASTReaderStmt.cpp<br>    cfe/trunk/lib/Serialization/ASTWriterStmt.cpp<br><br>Modified: cfe/trunk/include/clang/AST/StmtOpenMP.h<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/StmtOpenMP.h?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/StmtOpenMP.h?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/include/clang/AST/StmtOpenMP.h (original)<br>+++ cfe/trunk/include/clang/AST/StmtOpenMP.h Fri Mar  4 14:24:58 2016<br>@@ -595,49 +595,56 @@ public:<br>   }<br>   Expr *getIsLastIterVariable() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), IsLastIterVariableOffset)));<br>   }<br>   Expr *getLowerBoundVariable() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), LowerBoundVariableOffset)));<br>   }<br>   Expr *getUpperBoundVariable() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), UpperBoundVariableOffset)));<br>   }<br>   Expr *getStrideVariable() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), StrideVariableOffset)));<br>   }<br>   Expr *getEnsureUpperBound() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), EnsureUpperBoundOffset)));<br>   }<br>   Expr *getNextLowerBound() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), NextLowerBoundOffset)));<br>   }<br>   Expr *getNextUpperBound() const {<br>     assert((isOpenMPWorksharingDirective(getDirectiveKind()) ||<br>-            isOpenMPTaskLoopDirective(getDirectiveKind())) &&<br>+            isOpenMPTaskLoopDirective(getDirectiveKind()) ||<br>+            isOpenMPDistributeDirective(getDirectiveKind())) &&<br>            "expected worksharing loop directive");<br>     return const_cast<Expr *>(reinterpret_cast<const Expr *>(<br>         *std::next(child_begin(), NextUpperBoundOffset)));<br><br>Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp (original)<br>+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.cpp Fri Mar  4 14:24:58 2016<br>@@ -425,6 +425,9 @@ enum OpenMPSchedType {<br>   OMP_ord_runtime = 69,<br>   OMP_ord_auto = 70,<br>   OMP_sch_default = OMP_sch_static,<br>+  /// \brief dist_schedule types<br>+  OMP_dist_sch_static_chunked = 91,<br>+  OMP_dist_sch_static = 92,<br> };<br><br> enum OpenMPRTLFunction {<br>@@ -2148,12 +2151,26 @@ static OpenMPSchedType getRuntimeSchedul<br>   llvm_unreachable("Unexpected runtime schedule");<br> }<br><br>+/// \brief Map the OpenMP distribute schedule to the runtime enumeration.<br>+static OpenMPSchedType<br>+getRuntimeSchedule(OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) {<br>+  // only static is allowed for dist_schedule<br>+  return Chunked ? OMP_dist_sch_static_chunked : OMP_dist_sch_static;<br>+}<br>+<br> bool CGOpenMPRuntime::isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind,<br>                                          bool Chunked) const {<br>   auto Schedule = getRuntimeSchedule(ScheduleKind, Chunked, /*Ordered=*/false);<br>   return Schedule == OMP_sch_static;<br> }<br><br>+bool CGOpenMPRuntime::isStaticNonchunked(<br>+    OpenMPDistScheduleClauseKind ScheduleKind, bool Chunked) const {<br>+  auto Schedule = getRuntimeSchedule(ScheduleKind, Chunked);<br>+  return Schedule == OMP_dist_sch_static;<br>+}<br>+<br>+<br> bool CGOpenMPRuntime::isDynamic(OpenMPScheduleClauseKind ScheduleKind) const {<br>   auto Schedule =<br>       getRuntimeSchedule(ScheduleKind, /*Chunked=*/false, /*Ordered=*/false);<br>@@ -2194,6 +2211,55 @@ void CGOpenMPRuntime::emitForDispatchIni<br>   CGF.EmitRuntimeCall(createDispatchInitFunction(IVSize, IVSigned), Args);<br> }<br><br>+static void emitForStaticInitCall(CodeGenFunction &CGF,<br>+                                  SourceLocation Loc,<br>+                                  llvm::Value * UpdateLocation,<br>+                                  llvm::Value * ThreadId,<br>+                                  llvm::Constant * ForStaticInitFunction,<br>+                                  OpenMPSchedType Schedule,<br>+                                  unsigned IVSize, bool IVSigned, bool Ordered,<br>+                                  Address IL, Address LB, Address UB,<br>+                                  Address ST, llvm::Value *Chunk) {<br>+  if (!CGF.HaveInsertPoint())<br>+     return;<br>+<br>+   assert(!Ordered);<br>+   assert(Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked ||<br>+          Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked ||<br>+          Schedule == OMP_dist_sch_static ||<br>+          Schedule == OMP_dist_sch_static_chunked);<br>+<br>+   // Call __kmpc_for_static_init(<br>+   //          ident_t *loc, kmp_int32 tid, kmp_int32 schedtype,<br>+   //          kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower,<br>+   //          kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride,<br>+   //          kmp_int[32|64] incr, kmp_int[32|64] chunk);<br>+   if (Chunk == nullptr) {<br>+     assert((Schedule == OMP_sch_static || Schedule == OMP_ord_static ||<br>+             Schedule == OMP_dist_sch_static) &&<br>+            "expected static non-chunked schedule");<br>+     // If the Chunk was not specified in the clause - use default value 1.<br>+       Chunk = CGF.Builder.getIntN(IVSize, 1);<br>+   } else {<br>+     assert((Schedule == OMP_sch_static_chunked ||<br>+             Schedule == OMP_ord_static_chunked ||<br>+             Schedule == OMP_dist_sch_static_chunked) &&<br>+            "expected static chunked schedule");<br>+   }<br>+   llvm::Value *Args[] = {<br>+     UpdateLocation,<br>+     ThreadId,<br>+     CGF.Builder.getInt32(Schedule), // Schedule type<br>+     IL.getPointer(),                // &isLastIter<br>+     LB.getPointer(),                // &LB<br>+     UB.getPointer(),                // &UB<br>+     ST.getPointer(),                // &Stride<br>+     CGF.Builder.getIntN(IVSize, 1), // Incr<br>+     Chunk                           // Chunk<br>+   };<br>+   CGF.EmitRuntimeCall(ForStaticInitFunction, Args);<br>+}<br>+<br> void CGOpenMPRuntime::emitForStaticInit(CodeGenFunction &CGF,<br>                                         SourceLocation Loc,<br>                                         OpenMPScheduleClauseKind ScheduleKind,<br>@@ -2201,41 +2267,27 @@ void CGOpenMPRuntime::emitForStaticInit(<br>                                         bool Ordered, Address IL, Address LB,<br>                                         Address UB, Address ST,<br>                                         llvm::Value *Chunk) {<br>-  if (!CGF.HaveInsertPoint())<br>-    return;<br>-  OpenMPSchedType Schedule =<br>-    getRuntimeSchedule(ScheduleKind, Chunk != nullptr, Ordered);<br>-  assert(!Ordered);<br>-  assert(Schedule == OMP_sch_static || Schedule == OMP_sch_static_chunked ||<br>-         Schedule == OMP_ord_static || Schedule == OMP_ord_static_chunked);<br>-<br>-  // Call __kmpc_for_static_init(<br>-  //          ident_t *loc, kmp_int32 tid, kmp_int32 schedtype,<br>-  //          kmp_int32 *p_lastiter, kmp_int[32|64] *p_lower,<br>-  //          kmp_int[32|64] *p_upper, kmp_int[32|64] *p_stride,<br>-  //          kmp_int[32|64] incr, kmp_int[32|64] chunk);<br>-  if (Chunk == nullptr) {<br>-    assert((Schedule == OMP_sch_static || Schedule == OMP_ord_static) &&<br>-           "expected static non-chunked schedule");<br>-    // If the Chunk was not specified in the clause - use default value 1.<br>-      Chunk = CGF.Builder.getIntN(IVSize, 1);<br>-  } else {<br>-    assert((Schedule == OMP_sch_static_chunked ||<br>-            Schedule == OMP_ord_static_chunked) &&<br>-           "expected static chunked schedule");<br>-  }<br>-  llvm::Value *Args[] = {<br>-      emitUpdateLocation(CGF, Loc),<br>-      getThreadID(CGF, Loc),<br>-      CGF.Builder.getInt32(Schedule), // Schedule type<br>-      IL.getPointer(),                // &isLastIter<br>-      LB.getPointer(),                // &LB<br>-      UB.getPointer(),                // &UB<br>-      ST.getPointer(),                // &Stride<br>-      CGF.Builder.getIntN(IVSize, 1), // Incr<br>-      Chunk                           // Chunk<br>-  };<br>-  CGF.EmitRuntimeCall(createForStaticInitFunction(IVSize, IVSigned), Args);<br>+  OpenMPSchedType ScheduleNum = getRuntimeSchedule(ScheduleKind, Chunk != nullptr,<br>+                                                   Ordered);<br>+  auto *UpdatedLocation = emitUpdateLocation(CGF, Loc);<br>+  auto *ThreadId = getThreadID(CGF, Loc);<br>+  auto *StaticInitFunction = createForStaticInitFunction(IVSize, IVSigned);<br>+  emitForStaticInitCall(CGF, Loc, UpdatedLocation, ThreadId, StaticInitFunction,<br>+      ScheduleNum, IVSize, IVSigned, Ordered, IL, LB, UB, ST, Chunk);<br>+}<br>+<br>+void CGOpenMPRuntime::emitDistributeStaticInit(CodeGenFunction &CGF,<br>+    SourceLocation Loc, OpenMPDistScheduleClauseKind SchedKind,<br>+    unsigned IVSize, bool IVSigned,<br>+    bool Ordered, Address IL, Address LB,<br>+    Address UB, Address ST,<br>+    llvm::Value *Chunk) {<br>+  OpenMPSchedType ScheduleNum = getRuntimeSchedule(SchedKind, Chunk != nullptr);<br>+  auto *UpdatedLocation = emitUpdateLocation(CGF, Loc);<br>+  auto *ThreadId = getThreadID(CGF, Loc);<br>+  auto *StaticInitFunction = createForStaticInitFunction(IVSize, IVSigned);<br>+  emitForStaticInitCall(CGF, Loc, UpdatedLocation, ThreadId, StaticInitFunction,<br>+      ScheduleNum, IVSize, IVSigned, Ordered, IL, LB, UB, ST, Chunk);<br> }<br><br> void CGOpenMPRuntime::emitForStaticFinish(CodeGenFunction &CGF,<br><br>Modified: cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h (original)<br>+++ cfe/trunk/lib/CodeGen/CGOpenMPRuntime.h Fri Mar  4 14:24:58 2016<br>@@ -493,6 +493,14 @@ public:<br>   virtual bool isStaticNonchunked(OpenMPScheduleClauseKind ScheduleKind,<br>                                   bool Chunked) const;<br><br>+  /// \brief Check if the specified \a ScheduleKind is static non-chunked.<br>+  /// This kind of distribute directive is emitted without outer loop.<br>+  /// \param ScheduleKind Schedule kind specified in the 'dist_schedule' clause.<br>+  /// \param Chunked True if chunk is specified in the clause.<br>+  ///<br>+  virtual bool isStaticNonchunked(OpenMPDistScheduleClauseKind ScheduleKind,<br>+                                  bool Chunked) const;<br>+<br>   /// \brief Check if the specified \a ScheduleKind is dynamic.<br>   /// This kind of worksharing directive is emitted without outer loop.<br>   /// \param ScheduleKind Schedule Kind specified in the 'schedule' clause.<br>@@ -536,6 +544,31 @@ public:<br>                                  Address UB, Address ST,<br>                                  llvm::Value *Chunk = nullptr);<br><br>+  ///<br>+  /// \param CGF Reference to current CodeGenFunction.<br>+  /// \param Loc Clang source location.<br>+  /// \param SchedKind Schedule kind, specified by the 'dist_schedule' clause.<br>+  /// \param IVSize Size of the iteration variable in bits.<br>+  /// \param IVSigned Sign of the interation variable.<br>+  /// \param Ordered true if loop is ordered, false otherwise.<br>+  /// \param IL Address of the output variable in which the flag of the<br>+  /// last iteration is returned.<br>+  /// \param LB Address of the output variable in which the lower iteration<br>+  /// number is returned.<br>+  /// \param UB Address of the output variable in which the upper iteration<br>+  /// number is returned.<br>+  /// \param ST Address of the output variable in which the stride value is<br>+  /// returned nesessary to generated the static_chunked scheduled loop.<br>+  /// \param Chunk Value of the chunk for the static_chunked scheduled loop.<br>+  /// For the default (nullptr) value, the chunk 1 will be used.<br>+  ///<br>+  virtual void emitDistributeStaticInit(CodeGenFunction &CGF, SourceLocation Loc,<br>+                                        OpenMPDistScheduleClauseKind SchedKind,<br>+                                        unsigned IVSize, bool IVSigned,<br>+                                        bool Ordered, Address IL, Address LB,<br>+                                        Address UB, Address ST,<br>+                                        llvm::Value *Chunk = nullptr);<br>+<br>   /// \brief Call the appropriate runtime routine to notify that we finished<br>   /// iteration of the ordered loop with the dynamic scheduling.<br>   ///<br><br>Modified: cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp (original)<br>+++ cfe/trunk/lib/CodeGen/CGStmtOpenMP.cpp Fri Mar  4 14:24:58 2016<br>@@ -1410,82 +1410,15 @@ void CodeGenFunction::EmitOMPSimdDirecti<br>   CGM.getOpenMPRuntime().emitInlinedDirective(*this, OMPD_simd, CodeGen);<br> }<br><br>-void CodeGenFunction::EmitOMPForOuterLoop(<br>-    OpenMPScheduleClauseKind ScheduleKind, bool IsMonotonic,<br>+void CodeGenFunction::EmitOMPOuterLoop(bool DynamicOrOrdered, bool IsMonotonic,<br>     const OMPLoopDirective &S, OMPPrivateScope &LoopScope, bool Ordered,<br>     Address LB, Address UB, Address ST, Address IL, llvm::Value *Chunk) {<br>   auto &RT = CGM.getOpenMPRuntime();<br><br>-  // Dynamic scheduling of the outer loop (dynamic, guided, auto, runtime).<br>-  const bool DynamicOrOrdered = Ordered || RT.isDynamic(ScheduleKind);<br>-<br>-  assert((Ordered ||<br>-          !RT.isStaticNonchunked(ScheduleKind, /*Chunked=*/Chunk != nullptr)) &&<br>-         "static non-chunked schedule does not need outer loop");<br>-<br>-  // Emit outer loop.<br>-  //<br>-  // OpenMP [2.7.1, Loop Construct, Description, table 2-1]<br>-  // When schedule(dynamic,chunk_size) is specified, the iterations are<br>-  // distributed to threads in the team in chunks as the threads request them.<br>-  // Each thread executes a chunk of iterations, then requests another chunk,<br>-  // until no chunks remain to be distributed. Each chunk contains chunk_size<br>-  // iterations, except for the last chunk to be distributed, which may have<br>-  // fewer iterations. When no chunk_size is specified, it defaults to 1.<br>-  //<br>-  // When schedule(guided,chunk_size) is specified, the iterations are assigned<br>-  // to threads in the team in chunks as the executing threads request them.<br>-  // Each thread executes a chunk of iterations, then requests another chunk,<br>-  // until no chunks remain to be assigned. For a chunk_size of 1, the size of<br>-  // each chunk is proportional to the number of unassigned iterations divided<br>-  // by the number of threads in the team, decreasing to 1. For a chunk_size<br>-  // with value k (greater than 1), the size of each chunk is determined in the<br>-  // same way, with the restriction that the chunks do not contain fewer than k<br>-  // iterations (except for the last chunk to be assigned, which may have fewer<br>-  // than k iterations).<br>-  //<br>-  // When schedule(auto) is specified, the decision regarding scheduling is<br>-  // delegated to the compiler and/or runtime system. The programmer gives the<br>-  // implementation the freedom to choose any possible mapping of iterations to<br>-  // threads in the team.<br>-  //<br>-  // When schedule(runtime) is specified, the decision regarding scheduling is<br>-  // deferred until run time, and the schedule and chunk size are taken from the<br>-  // run-sched-var ICV. If the ICV is set to auto, the schedule is<br>-  // implementation defined<br>-  //<br>-  // while(__kmpc_dispatch_next(&LB, &UB)) {<br>-  //   idx = LB;<br>-  //   while (idx <= UB) { BODY; ++idx;<br>-  //   __kmpc_dispatch_fini_(4|8)[u](); // For ordered loops only.<br>-  //   } // inner loop<br>-  // }<br>-  //<br>-  // OpenMP [2.7.1, Loop Construct, Description, table 2-1]<br>-  // When schedule(static, chunk_size) is specified, iterations are divided into<br>-  // chunks of size chunk_size, and the chunks are assigned to the threads in<br>-  // the team in a round-robin fashion in the order of the thread number.<br>-  //<br>-  // while(UB = min(UB, GlobalUB), idx = LB, idx < UB) {<br>-  //   while (idx <= UB) { BODY; ++idx; } // inner loop<br>-  //   LB = LB + ST;<br>-  //   UB = UB + ST;<br>-  // }<br>-  //<br>-<br>   const Expr *IVExpr = S.getIterationVariable();<br>   const unsigned IVSize = getContext().getTypeSize(IVExpr->getType());<br>   const bool IVSigned = IVExpr->getType()->hasSignedIntegerRepresentation();<br><br>-  if (DynamicOrOrdered) {<br>-    llvm::Value *UBVal = EmitScalarExpr(S.getLastIteration());<br>-    RT.emitForDispatchInit(*this, S.getLocStart(), ScheduleKind,<br>-                           IVSize, IVSigned, Ordered, UBVal, Chunk);<br>-  } else {<br>-    RT.emitForStaticInit(*this, S.getLocStart(), ScheduleKind,<br>-                         IVSize, IVSigned, Ordered, IL, LB, UB, ST, Chunk);<br>-  }<br>-<br>   auto LoopExit = getJumpDestInCurrentScope("omp.dispatch.end");<br><br>   // Start the loop with a block that tests the condition.<br>@@ -1565,6 +1498,111 @@ void CodeGenFunction::EmitOMPForOuterLoo<br>   // Tell the runtime we are done.<br>   if (!DynamicOrOrdered)<br>     RT.emitForStaticFinish(*this, S.getLocEnd());<br>+<br>+}<br>+<br>+void CodeGenFunction::EmitOMPForOuterLoop(<br>+    OpenMPScheduleClauseKind ScheduleKind, bool IsMonotonic,<br>+    const OMPLoopDirective &S, OMPPrivateScope &LoopScope, bool Ordered,<br>+    Address LB, Address UB, Address ST, Address IL, llvm::Value *Chunk) {<br>+  auto &RT = CGM.getOpenMPRuntime();<br>+<br>+  // Dynamic scheduling of the outer loop (dynamic, guided, auto, runtime).<br>+  const bool DynamicOrOrdered = Ordered || RT.isDynamic(ScheduleKind);<br>+<br>+  assert((Ordered ||<br>+          !RT.isStaticNonchunked(ScheduleKind, /*Chunked=*/Chunk != nullptr)) &&<br>+         "static non-chunked schedule does not need outer loop");<br>+<br>+  // Emit outer loop.<br>+  //<br>+  // OpenMP [2.7.1, Loop Construct, Description, table 2-1]<br>+  // When schedule(dynamic,chunk_size) is specified, the iterations are<br>+  // distributed to threads in the team in chunks as the threads request them.<br>+  // Each thread executes a chunk of iterations, then requests another chunk,<br>+  // until no chunks remain to be distributed. Each chunk contains chunk_size<br>+  // iterations, except for the last chunk to be distributed, which may have<br>+  // fewer iterations. When no chunk_size is specified, it defaults to 1.<br>+  //<br>+  // When schedule(guided,chunk_size) is specified, the iterations are assigned<br>+  // to threads in the team in chunks as the executing threads request them.<br>+  // Each thread executes a chunk of iterations, then requests another chunk,<br>+  // until no chunks remain to be assigned. For a chunk_size of 1, the size of<br>+  // each chunk is proportional to the number of unassigned iterations divided<br>+  // by the number of threads in the team, decreasing to 1. For a chunk_size<br>+  // with value k (greater than 1), the size of each chunk is determined in the<br>+  // same way, with the restriction that the chunks do not contain fewer than k<br>+  // iterations (except for the last chunk to be assigned, which may have fewer<br>+  // than k iterations).<br>+  //<br>+  // When schedule(auto) is specified, the decision regarding scheduling is<br>+  // delegated to the compiler and/or runtime system. The programmer gives the<br>+  // implementation the freedom to choose any possible mapping of iterations to<br>+  // threads in the team.<br>+  //<br>+  // When schedule(runtime) is specified, the decision regarding scheduling is<br>+  // deferred until run time, and the schedule and chunk size are taken from the<br>+  // run-sched-var ICV. If the ICV is set to auto, the schedule is<br>+  // implementation defined<br>+  //<br>+  // while(__kmpc_dispatch_next(&LB, &UB)) {<br>+  //   idx = LB;<br>+  //   while (idx <= UB) { BODY; ++idx;<br>+  //   __kmpc_dispatch_fini_(4|8)[u](); // For ordered loops only.<br>+  //   } // inner loop<br>+  // }<br>+  //<br>+  // OpenMP [2.7.1, Loop Construct, Description, table 2-1]<br>+  // When schedule(static, chunk_size) is specified, iterations are divided into<br>+  // chunks of size chunk_size, and the chunks are assigned to the threads in<br>+  // the team in a round-robin fashion in the order of the thread number.<br>+  //<br>+  // while(UB = min(UB, GlobalUB), idx = LB, idx < UB) {<br>+  //   while (idx <= UB) { BODY; ++idx; } // inner loop<br>+  //   LB = LB + ST;<br>+  //   UB = UB + ST;<br>+  // }<br>+  //<br>+<br>+  const Expr *IVExpr = S.getIterationVariable();<br>+  const unsigned IVSize = getContext().getTypeSize(IVExpr->getType());<br>+  const bool IVSigned = IVExpr->getType()->hasSignedIntegerRepresentation();<br>+<br>+  if (DynamicOrOrdered) {<br>+    llvm::Value *UBVal = EmitScalarExpr(S.getLastIteration());<br>+    RT.emitForDispatchInit(*this, S.getLocStart(), ScheduleKind,<br>+                           IVSize, IVSigned, Ordered, UBVal, Chunk);<br>+  } else {<br>+    RT.emitForStaticInit(*this, S.getLocStart(), ScheduleKind, IVSize, IVSigned,<br>+                         Ordered, IL, LB, UB, ST, Chunk);<br>+  }<br>+<br>+  EmitOMPOuterLoop(IsMonotonic, DynamicOrOrdered, S, LoopScope, Ordered, LB, UB,<br>+                   ST, IL, Chunk);<br>+}<br>+<br>+void CodeGenFunction::EmitOMPDistributeOuterLoop(<br>+    OpenMPDistScheduleClauseKind ScheduleKind,<br>+    const OMPDistributeDirective &S, OMPPrivateScope &LoopScope,<br>+    Address LB, Address UB, Address ST, Address IL, llvm::Value *Chunk) {<br>+<br>+  auto &RT = CGM.getOpenMPRuntime();<br>+<br>+  // Emit outer loop.<br>+  // Same behavior as a OMPForOuterLoop, except that schedule cannot be<br>+  // dynamic<br>+  //<br>+<br>+  const Expr *IVExpr = S.getIterationVariable();<br>+  const unsigned IVSize = getContext().getTypeSize(IVExpr->getType());<br>+  const bool IVSigned = IVExpr->getType()->hasSignedIntegerRepresentation();<br>+<br>+  RT.emitDistributeStaticInit(*this, S.getLocStart(), ScheduleKind,<br>+                              IVSize, IVSigned, /* Ordered = */ false,<br>+                              IL, LB, UB, ST, Chunk);<br>+<br>+  EmitOMPOuterLoop(/* DynamicOrOrdered = */ false, /* IsMonotonic = */ false,<br>+                   S, LoopScope, /* Ordered = */ false, LB, UB, ST, IL, Chunk);<br> }<br><br> /// \brief Emit a helper variable and return corresponding lvalue.<br>@@ -2191,9 +2229,130 @@ void CodeGenFunction::EmitOMPFlushDirect<br>   }(), S.getLocStart());<br> }<br><br>+void CodeGenFunction::EmitOMPDistributeLoop(const OMPDistributeDirective &S) {<br>+  // Emit the loop iteration variable.<br>+  auto IVExpr = cast<DeclRefExpr>(S.getIterationVariable());<br>+  auto IVDecl = cast<VarDecl>(IVExpr->getDecl());<br>+  EmitVarDecl(*IVDecl);<br>+<br>+  // Emit the iterations count variable.<br>+  // If it is not a variable, Sema decided to calculate iterations count on each<br>+  // iteration (e.g., it is foldable into a constant).<br>+  if (auto LIExpr = dyn_cast<DeclRefExpr>(S.getLastIteration())) {<br>+    EmitVarDecl(*cast<VarDecl>(LIExpr->getDecl()));<br>+    // Emit calculation of the iterations count.<br>+    EmitIgnoredExpr(S.getCalcLastIteration());<br>+  }<br>+<br>+  auto &RT = CGM.getOpenMPRuntime();<br>+<br>+  // Check pre-condition.<br>+  {<br>+    // Skip the entire loop if we don't meet the precondition.<br>+    // If the condition constant folds and can be elided, avoid emitting the<br>+    // whole loop.<br>+    bool CondConstant;<br>+    llvm::BasicBlock *ContBlock = nullptr;<br>+    if (ConstantFoldsToSimpleInteger(S.getPreCond(), CondConstant)) {<br>+      if (!CondConstant)<br>+        return;<br>+    } else {<br>+      auto *ThenBlock = createBasicBlock("omp.precond.then");<br>+      ContBlock = createBasicBlock("omp.precond.end");<br>+      emitPreCond(*this, S, S.getPreCond(), ThenBlock, ContBlock,<br>+                  getProfileCount(&S));<br>+      EmitBlock(ThenBlock);<br>+      incrementProfileCounter(&S);<br>+    }<br>+<br>+    // Emit 'then' code.<br>+    {<br>+      // Emit helper vars inits.<br>+      LValue LB =<br>+          EmitOMPHelperVar(*this, cast<DeclRefExpr>(S.getLowerBoundVariable()));<br>+      LValue UB =<br>+          EmitOMPHelperVar(*this, cast<DeclRefExpr>(S.getUpperBoundVariable()));<br>+      LValue ST =<br>+          EmitOMPHelperVar(*this, cast<DeclRefExpr>(S.getStrideVariable()));<br>+      LValue IL =<br>+          EmitOMPHelperVar(*this, cast<DeclRefExpr>(S.getIsLastIterVariable()));<br>+<br>+      OMPPrivateScope LoopScope(*this);<br>+      emitPrivateLoopCounters(*this, LoopScope, S.counters(),<br>+                              S.private_counters());<br>+      (void)LoopScope.Privatize();<br>+<br>+      // Detect the distribute schedule kind and chunk.<br>+      llvm::Value *Chunk = nullptr;<br>+      OpenMPDistScheduleClauseKind ScheduleKind = OMPC_DIST_SCHEDULE_unknown;<br>+      if (auto *C = S.getSingleClause<OMPDistScheduleClause>()) {<br>+        ScheduleKind = C->getDistScheduleKind();<br>+        if (const auto *Ch = C->getChunkSize()) {<br>+          Chunk = EmitScalarExpr(Ch);<br>+          Chunk = EmitScalarConversion(Chunk, Ch->getType(),<br>+          S.getIterationVariable()->getType(),<br>+          S.getLocStart());<br>+        }<br>+      }<br>+      const unsigned IVSize = getContext().getTypeSize(IVExpr->getType());<br>+      const bool IVSigned = IVExpr->getType()->hasSignedIntegerRepresentation();<br>+<br>+      // OpenMP [2.10.8, distribute Construct, Description]<br>+      // If dist_schedule is specified, kind must be static. If specified,<br>+      // iterations are divided into chunks of size chunk_size, chunks are<br>+      // assigned to the teams of the league in a round-robin fashion in the<br>+      // order of the team number. When no chunk_size is specified, the<br>+      // iteration space is divided into chunks that are approximately equal<br>+      // in size, and at most one chunk is distributed to each team of the<br>+      // league. The size of the chunks is unspecified in this case.<br>+      if (RT.isStaticNonchunked(ScheduleKind,<br>+                                /* Chunked */ Chunk != nullptr)) {<br>+        RT.emitDistributeStaticInit(*this, S.getLocStart(), ScheduleKind,<br>+                             IVSize, IVSigned, /* Ordered = */ false,<br>+                             IL.getAddress(), LB.getAddress(),<br>+                             UB.getAddress(), ST.getAddress());<br>+        auto LoopExit =<br>+            getJumpDestInCurrentScope(createBasicBlock("omp.loop.exit"));<br>+        // UB = min(UB, GlobalUB);<br>+        EmitIgnoredExpr(S.getEnsureUpperBound());</font><br><font size="4">+        // IV = LB;<br>+        EmitIgnoredExpr(S.getInit());<br>+        // while (idx <= UB) { BODY; ++idx; }<br>+        EmitOMPInnerLoop(S, LoopScope.requiresCleanups(), S.getCond(),<br>+                         S.getInc(),<br>+                         [&S, LoopExit](CodeGenFunction &CGF) {<br>+                           CGF.EmitOMPLoopBody(S, LoopExit);<br>+                           CGF.EmitStopPoint(&S);<br>+                         },<br>+                         [](CodeGenFunction &) {});<br>+        EmitBlock(LoopExit.getBlock());<br>+        // Tell the runtime we are done.<br>+        RT.emitForStaticFinish(*this, S.getLocStart());<br>+      } else {<br>+        // Emit the outer loop, which requests its work chunk [LB..UB] from<br>+        // runtime and runs the inner loop to process it.<br>+        EmitOMPDistributeOuterLoop(ScheduleKind, S, LoopScope,<br>+                            LB.getAddress(), UB.getAddress(), ST.getAddress(),<br>+                            IL.getAddress(), Chunk);<br>+      }<br>+    }<br>+<br>+    // We're now done with the loop, so jump to the continuation block.<br>+    if (ContBlock) {<br>+      EmitBranch(ContBlock);<br>+      EmitBlock(ContBlock, true);<br>+    }<br>+  }<br>+}<br>+<br> void CodeGenFunction::EmitOMPDistributeDirective(<br>     const OMPDistributeDirective &S) {<br>-  llvm_unreachable("CodeGen for 'omp distribute' is not supported yet.");<br>+  LexicalScope Scope(*this, S.getSourceRange());<br>+  auto &&CodeGen = [&S](CodeGenFunction &CGF) {<br>+    CGF.EmitOMPDistributeLoop(S);<br>+  };<br>+  CGM.getOpenMPRuntime().emitInlinedDirective(*this, OMPD_distribute, CodeGen,<br>+                                              false);<br> }<br><br> static llvm::Function *emitOutlinedOrderedFunction(CodeGenModule &CGM,<br><br>Modified: cfe/trunk/lib/CodeGen/CodeGenFunction.h<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenFunction.h?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/CodeGen/CodeGenFunction.h (original)<br>+++ cfe/trunk/lib/CodeGen/CodeGenFunction.h Fri Mar  4 14:24:58 2016<br>@@ -2364,6 +2364,7 @@ public:<br>   void EmitOMPTaskLoopDirective(const OMPTaskLoopDirective &S);<br>   void EmitOMPTaskLoopSimdDirective(const OMPTaskLoopSimdDirective &S);<br>   void EmitOMPDistributeDirective(const OMPDistributeDirective &S);<br>+  void EmitOMPDistributeLoop(const OMPDistributeDirective &S);<br><br>   /// \brief Emit inner loop of the worksharing/simd construct.<br>   ///<br>@@ -2393,11 +2394,18 @@ private:<br>   /// \return true, if this construct has any lastprivate clause, false -<br>   /// otherwise.<br>   bool EmitOMPWorksharingLoop(const OMPLoopDirective &S);<br>+  void EmitOMPOuterLoop(bool IsMonotonic, bool DynamicOrOrdered,<br>+      const OMPLoopDirective &S, OMPPrivateScope &LoopScope, bool Ordered,<br>+      Address LB, Address UB, Address ST, Address IL, llvm::Value *Chunk);<br>   void EmitOMPForOuterLoop(OpenMPScheduleClauseKind ScheduleKind,<br>                            bool IsMonotonic, const OMPLoopDirective &S,<br>                            OMPPrivateScope &LoopScope, bool Ordered, Address LB,<br>                            Address UB, Address ST, Address IL,<br>                            llvm::Value *Chunk);<br>+  void EmitOMPDistributeOuterLoop(<br>+      OpenMPDistScheduleClauseKind ScheduleKind,<br>+      const OMPDistributeDirective &S, OMPPrivateScope &LoopScope,<br>+      Address LB, Address UB, Address ST, Address IL, llvm::Value *Chunk);<br>   /// \brief Emit code for sections directive.<br>   void EmitSections(const OMPExecutableDirective &S);<br><br><br>Modified: cfe/trunk/lib/Serialization/ASTReaderStmt.cpp<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderStmt.cpp?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReaderStmt.cpp?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/Serialization/ASTReaderStmt.cpp (original)<br>+++ cfe/trunk/lib/Serialization/ASTReaderStmt.cpp Fri Mar  4 14:24:58 2016<br>@@ -2307,7 +2307,8 @@ void ASTStmtReader::VisitOMPLoopDirectiv<br>   D->setInit(Reader.ReadSubExpr());<br>   D->setInc(Reader.ReadSubExpr());<br>   if (isOpenMPWorksharingDirective(D->getDirectiveKind()) ||<br>-      isOpenMPTaskLoopDirective(D->getDirectiveKind())) {<br>+      isOpenMPTaskLoopDirective(D->getDirectiveKind()) ||<br>+      isOpenMPDistributeDirective(D->getDirectiveKind())) {<br>     D->setIsLastIterVariable(Reader.ReadSubExpr());<br>     D->setLowerBoundVariable(Reader.ReadSubExpr());<br>     D->setUpperBoundVariable(Reader.ReadSubExpr());<br><br>Modified: cfe/trunk/lib/Serialization/ASTWriterStmt.cpp<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTWriterStmt.cpp?rev=262741&r1=262740&r2=262741&view=diff" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTWriterStmt.cpp?rev=262741&r1=262740&r2=262741&view=diff</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/lib/Serialization/ASTWriterStmt.cpp (original)<br>+++ cfe/trunk/lib/Serialization/ASTWriterStmt.cpp Fri Mar  4 14:24:58 2016<br>@@ -2095,7 +2095,8 @@ void ASTStmtWriter::VisitOMPLoopDirectiv<br>   Writer.AddStmt(D->getInit());<br>   Writer.AddStmt(D->getInc());<br>   if (isOpenMPWorksharingDirective(D->getDirectiveKind()) ||<br>-      isOpenMPTaskLoopDirective(D->getDirectiveKind())) {<br>+      isOpenMPTaskLoopDirective(D->getDirectiveKind()) ||<br>+      isOpenMPDistributeDirective(D->getDirectiveKind())) {<br>     Writer.AddStmt(D->getIsLastIterVariable());<br>     Writer.AddStmt(D->getLowerBoundVariable());<br>     Writer.AddStmt(D->getUpperBoundVariable());<br><br>Added: cfe/trunk/test/OpenMP/distribute_codegen.cpp<br>URL: </font><a href="http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/distribute_codegen.cpp?rev=262741&view=auto" target="_blank"><u><font size="4" color="#0000FF">http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/distribute_codegen.cpp?rev=262741&view=auto</font></u></a><font size="4"><br>==============================================================================<br>--- cfe/trunk/test/OpenMP/distribute_codegen.cpp (added)<br>+++ cfe/trunk/test/OpenMP/distribute_codegen.cpp Fri Mar  4 14:24:58 2016<br>@@ -0,0 +1,239 @@<br>+// Test host codegen.<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64<br>+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-pch -o %t %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-64  --check-prefix HCHECK<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32  --check-prefix HCHECK<br>+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-pch -o %t %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s --check-prefix CHECK --check-prefix CHECK-32 --check-prefix HCHECK<br>+<br>+// Test target codegen - host bc file ha
s to be created first. (no significant differences with host version of target region)<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm-bc %s -o %t-ppc-host.bc<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o - | FileCheck %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -o %t %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -triple powerpc64le-unknown-unknown -omptargets=powerpc64le-ibm-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-ppc-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm-bc %s -o %t-x86-host.bc<br>+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-llvm %s -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o - | FileCheck %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -emit-pch -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -o %t %s<br>+// RUN: %clang_cc1 -fopenmp -x c++ -triple i386-unknown-unknown -omptargets=i386-pc-linux-gnu -std=c++11 -fopenmp-is-device -omp-host-ir-file-path %t-x86-host.bc -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s<br>+<br>+// expected-no-diagnostics<br>+#ifndef HEADER<br>+#define HEADER<br>+<br>+// CHECK-DAG: %ident_t = type { i32, i32, i32, i32, i8* }<br>+// CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"<br>+// CHECK-DAG: [[DEF_LOC_0:@.+]] = private unnamed_addr constant %ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }<br>+<br>+// CHECK-LABEL: define {{.*void}} @{{.*}}without_schedule_clause{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})<br>+void without_schedule_clause(float *a, float *b, float *c, float *d) {<br>+  #pragma omp target<br>+  #pragma omp teams<br>+  #pragma omp distribute<br>+  for (int i = 33; i < 32000000; i += 7) {<br>+    a[i] = b[i] * c[i] * d[i];<br>+  }<br>+}<br>+<br>+// CHECK: define {{.*}}void @.omp_outlined.(i32* noalias [[GBL_TIDP:%.+]], i32* noalias [[BND_TID:%.+]], float** dereferenceable({{[0-9]+}}) [[APTR:%.+]], float** dereferenceable({{[0-9]+}}) [[BPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[CPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[DPTR:%.+]])<br>+// CHECK:  [[TID_ADDR:%.+]] = alloca i32*<br>+// CHECK:  [[IV:%.+iv]] = alloca i32<br>+// CHECK:  [[LB:%.+lb]] = alloca i32<br>+// CHECK:  [[UB:%.+ub]] = alloca i32<br>+// CHECK:  [[ST:%.+stride]] = alloca i32<br>+// CHECK:  [[LAST:%.+last]] = alloca i32<br>+// CHECK-DAG:  store i32* [[GBL_TIDP]], i32** [[TID_ADDR]]<br>+// CHECK-DAG:  store i32 0, i32* [[LB]]<br>+// CHECK-DAG:  store i32 4571423, i32* [[UB]]<br>+// CHECK-DAG:  store i32 1, i32* [[ST]]<br>+// CHECK-DAG:  store i32 0, i32* [[LAST]]<br>+// CHECK-DAG:  [[GBL_TID:%.+]] = load i32*, i32** [[TID_ADDR]]<br>+// CHECK-DAG:  [[GBL_TIDV:%.+]] = load i32, i32* [[GBL_TID]]<br>+// CHECK:  call void @__kmpc_for_static_init_{{.+}}(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]], i32 92, i32* %.omp.is_last, i32* %.</font><a href="http://omp.lb/" target="_blank"><u><font size="4" color="#0000FF">omp.lb</font></u></a><font size="4">, i32* %.omp.ub, i32* %.omp.stride, i32 1, i32 1)<br>+// CHECK-DAG:  [[UBV0:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  [[USWITCH:%.+]] = icmp sgt i32 [[UBV0]], 4571423<br>+// CHECK:  br i1 [[USWITCH]], label %[[BBCT:.+]], label %[[BBCF:.+]]<br>+// CHECK-DAG:  [[BBCT]]:<br>+// CHECK-DAG:  br label %[[BBCE:.+]]<br>+// CHECK-DAG:  [[BBCF]]:<br>+// CHECK-DAG:  [[UBV1:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  br label %[[BBCE]]<br>+// CHECK:  [[BBCE]]:<br>+// CHECK:  [[SELUB:%.+]] = phi i32 [ 4571423, %[[BBCT]] ], [ [[UBV1]], %[[BBCF]] ]<br>+// CHECK:  store i32 [[SELUB]], i32* [[UB]]<br>+// CHECK:  [[LBV0:%.+]] = load i32, i32* [[LB]]<br>+// CHECK:  store i32 [[LBV0]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR:.+]]<br>+// CHECK:  [[BBINNFOR]]:<br>+// CHECK:  [[IVVAL0:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[UBV2:%.+]] = load i32, i32* [[UB]]<br>+// CHECK:  [[IVLEUB:%.+]] = icmp sle i32 [[IVVAL0]], [[UBV2]]<br>+// CHECK:  br i1 [[IVLEUB]], label %[[BBINNBODY:.+]], label %[[BBINNEND:.+]]<br>+// CHECK:  [[BBINNBODY]]:<br>+// CHECK:  {{.+}} = load i32, i32* [[IV]]<br>+// ... loop body ...<br>+// CHECK:  br label %[[BBBODYCONT:.+]]<br>+// CHECK:  [[BBBODYCONT]]:<br>+// CHECK:  br label %[[BBINNINC:.+]]<br>+// CHECK:  [[BBINNINC]]:<br>+// CHECK:  [[IVVAL1:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[IVINC:%.+]] = add nsw i32 [[IVVAL1]], 1<br>+// CHECK:  store i32 [[IVINC]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR]]<br>+// CHECK:  [[BBINNEND]]:<br>+// CHECK:  br label %[[LPEXIT:.+]]<br>+// CHECK:  [[LPEXIT]]:<br>+// CHECK:  call void @__kmpc_for_static_fini(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]])<br>+// CHECK:  ret void<br>+<br>+<br>+// CHECK-LABEL: define {{.*void}} @{{.*}}static_not_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})<br>+void static_not_chunked(float *a, float *b, float *c, float *d) {<br>+  #pragma omp target<br>+  #pragma omp teams<br>+  #pragma omp distribute dist_schedule(static)<br>+  for (int i = 32000000; i > 33; i += -7) {<br>+        a[i] = b[i] * c[i] * d[i];<br>+  }<br>+}<br>+<br>+// CHECK: define {{.*}}void @.omp_outlined.{{.*}}(i32* noalias [[GBL_TIDP:%.+]], i32* noalias [[BND_TID:%.+]], float** dereferenceable({{[0-9]+}}) [[APTR:%.+]], float** dereferenceable({{[0-9]+}}) [[BPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[CPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[DPTR:%.+]])<br>+// CHECK:  [[TID_ADDR:%.+]] = alloca i32*<br>+// CHECK:  [[IV:%.+iv]] = alloca i32<br>+// CHECK:  [[LB:%.+lb]] = alloca i32<br>+// CHECK:  [[UB:%.+ub]] = alloca i32<br>+// CHECK:  [[ST:%.+stride]] = alloca i32<br>+// CHECK:  [[LAST:%.+last]] = alloca i32<br>+// CHECK-DAG:  store i32* [[GBL_TIDP]], i32** [[TID_ADDR]]<br>+// CHECK-DAG:  store i32 0, i32* [[LB]]<br>+// CHECK-DAG:  store i32 4571423, i32* [[UB]]<br>+// CHECK-DAG:  store i32 1, i32* [[ST]]<br>+// CHECK-DAG:  store i32 0, i32* [[LAST]]<br>+// CHECK-DAG:  [[GBL_TID:%.+]] = load i32*, i32** [[TID_ADDR]]<br>+// CHECK-DAG:  [[GBL_TIDV:%.+]] = load i32, i32* [[GBL_TID]]<br>+// CHECK:  call void @__kmpc_for_static_init_{{.+}}(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]], i32 92, i32* %.omp.is_last, i32* %.</font><a href="http://omp.lb/" target="_blank"><u><font size="4" color="#0000FF">omp.lb</font></u></a><font size="4">, i32* %.omp.ub, i32* %.omp.stride, i32 1, i32 1)<br>+// CHECK-DAG:  [[UBV0:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  [[USWITCH:%.+]] = icmp sgt i32 [[UBV0]], 4571423<br>+// CHECK:  br i1 [[USWITCH]], label %[[BBCT:.+]], label %[[BBCF:.+]]<br>+// CHECK-DAG:  [[BBCT]]:<br>+// CHECK-DAG:  br label %[[BBCE:.+]]<br>+// CHECK-DAG:  [[BBCF]]:<br>+// CHECK-DAG:  [[UBV1:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  br label %[[BBCE]]<br>+// CHECK:  [[BBCE]]:<br>+// CHECK:  [[SELUB:%.+]] = phi i32 [ 4571423, %[[BBCT]] ], [ [[UBV1]], %[[BBCF]] ]<br>+// CHECK:  store i32 [[SELUB]], i32* [[UB]]<br>+// CHECK:  [[LBV0:%.+]] = load i32, i32* [[LB]]<br>+// CHECK:  store i32 [[LBV0]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR:.+]]<br>+// CHECK:  [[BBINNFOR]]:<br>+// CHECK:  [[IVVAL0:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[UBV2:%.+]] = load i32, i32* [[UB]]<br>+// CHECK:  [[IVLEUB:%.+]] = icmp sle i32 [[IVVAL0]], [[UBV2]]<br>+// CHECK:  br i1 [[IVLEUB]], label %[[BBINNBODY:.+]], label %[[BBINNEND:.+]]<br>+// CHECK:  [[BBINNBODY]]:<br>+// CHECK:  {{.+}} = load i32, i32* [[IV]]<br>+// ... loop body ...<br>+// CHECK:  br label %[[BBBODYCONT:.+]]<br>+// CHECK:  [[BBBODYCONT]]:<br>+// CHECK:  br label %[[BBINNINC:.+]]<br>+// CHECK:  [[BBINNINC]]:<br>+// CHECK:  [[IVVAL1:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[IVINC:%.+]] = add nsw i32 [[IVVAL1]], 1<br>+// CHECK:  store i32 [[IVINC]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR]]<br>+// CHECK:  [[BBINNEND]]:<br>+// CHECK:  br label %[[LPEXIT:.+]]<br>+// CHECK:  [[LPEXIT]]:<br>+// CHECK:  call void @__kmpc_for_static_fini(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]])<br>+// CHECK:  ret void<br>+<br>+<br>+// CHECK-LABEL: define {{.*void}} @{{.*}}static_chunked{{.*}}(float* {{.+}}, float* {{.+}}, float* {{.+}}, float* {{.+}})<br>+void static_chunked(float *a, float *b, float *c, float *d) {<br>+  #pragma omp target<br>+  #pragma omp teams<br>+#pragma omp distribute dist_schedule(static, 5)<br>+  for (unsigned i = 131071; i <= 2147483647; i += 127) {<br>+    a[i] = b[i] * c[i] * d[i];<br>+  }<br>+}<br>+<br>+// CHECK: define {{.*}}void @.omp_outlined.{{.*}}(i32* noalias [[GBL_TIDP:%.+]], i32* noalias [[BND_TID:%.+]], float** dereferenceable({{[0-9]+}}) [[APTR:%.+]], float** dereferenceable({{[0-9]+}}) [[BPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[CPTR:%.+]], float** dereferenceable({{[0-9]+}}) [[DPTR:%.+]])<br>+// CHECK:  [[TID_ADDR:%.+]] = alloca i32*<br>+// CHECK:  [[IV:%.+iv]] = alloca i32<br>+// CHECK:  [[LB:%.+lb]] = alloca i32<br>+// CHECK:  [[UB:%.+ub]] = alloca i32<br>+// CHECK:  [[ST:%.+stride]] = alloca i32<br>+// CHECK:  [[LAST:%.+last]] = alloca i32<br>+// CHECK-DAG:  store i32* [[GBL_TIDP]], i32** [[TID_ADDR]]<br>+// CHECK-DAG:  store i32 0, i32* [[LB]]<br>+// CHECK-DAG:  store i32 16908288, i32* [[UB]]<br>+// CHECK-DAG:  store i32 1, i32* [[ST]]<br>+// CHECK-DAG:  store i32 0, i32* [[LAST]]<br>+// CHECK-DAG:  [[GBL_TID:%.+]] = load i32*, i32** [[TID_ADDR]]<br>+// CHECK-DAG:  [[GBL_TIDV:%.+]] = load i32, i32* [[GBL_TID]]<br>+// CHECK:  call void @__kmpc_for_static_init_{{.+}}(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]], i32 91, i32* %.omp.is_last, i32* %.</font><a href="http://omp.lb/" target="_blank"><u><font size="4" color="#0000FF">omp.lb</font></u></a><font size="4">, i32* %.omp.ub, i32* %.omp.stride, i32 1, i32 5)<br>+// CHECK-DAG:  [[UBV0:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  [[USWITCH:%.+]] = icmp ugt i32 [[UBV0]], 16908288<br>+// CHECK:  br i1 [[USWITCH]], label %[[BBCT:.+]], label %[[BBCF:.+]]<br>+// CHECK-DAG:  [[BBCT]]:<br>+// CHECK-DAG:  br label %[[BBCE:.+]]<br>+// CHECK-DAG:  [[BBCF]]:<br>+// CHECK-DAG:  [[UBV1:%.+]] = load i32, i32* [[UB]]<br>+// CHECK-DAG:  br label %[[BBCE]]<br>+// CHECK:  [[BBCE]]:<br>+// CHECK:  [[SELUB:%.+]] = phi i32 [ 16908288, %[[BBCT]] ], [ [[UBV1]], %[[BBCF]] ]<br>+// CHECK:  store i32 [[SELUB]], i32* [[UB]]<br>+// CHECK:  [[LBV0:%.+]] = load i32, i32* [[LB]]<br>+// CHECK:  store i32 [[LBV0]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR:.+]]<br>+// CHECK:  [[BBINNFOR]]:<br>+// CHECK:  [[IVVAL0:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[UBV2:%.+]] = load i32, i32* [[UB]]<br>+// CHECK:  [[IVLEUB:%.+]] = icmp ule i32 [[IVVAL0]], [[UBV2]]<br>+// CHECK:  br i1 [[IVLEUB]], label %[[BBINNBODY:.+]], label %[[BBINNEND:.+]]<br>+// CHECK:  [[BBINNBODY]]:<br>+// CHECK:  {{.+}} = load i32, i32* [[IV]]<br>+// ... loop body ...<br>+// CHECK:  br label %[[BBBODYCONT:.+]]<br>+// CHECK:  [[BBBODYCONT]]:<br>+// CHECK:  br label %[[BBINNINC:.+]]<br>+// CHECK:  [[BBINNINC]]:<br>+// CHECK:  [[IVVAL1:%.+]] = load i32, i32* [[IV]]<br>+// CHECK:  [[IVINC:%.+]] = add i32 [[IVVAL1]], 1<br>+// CHECK:  store i32 [[IVINC]], i32* [[IV]]<br>+// CHECK:  br label %[[BBINNFOR]]<br>+// CHECK:  [[BBINNEND]]:<br>+// CHECK:  br label %[[LPEXIT:.+]]<br>+// CHECK:  [[LPEXIT]]:<br>+// CHECK:  call void @__kmpc_for_static_fini(%ident_t* [[DEF_LOC_0]], i32 [[GBL_TIDV]])<br>+// CHECK:  ret void<br>+<br>+// CHECK-LABEL: test_precond<br>+void test_precond() {<br>+  char a = 0;<br>+  #pragma omp target<br>+  #pragma omp teams<br>+  #pragma omp distribute<br>+  for(char i = a; i < 10; ++i);<br>+}<br>+<br>+// a is passed as a parameter to the outlined functions<br>+// CHECK:  define {{.*}}void @.omp_outlined.{{.*}}(i32* noalias [[GBL_TIDP:%.+]], i32* noalias [[BND_TID:%.+]], i8* dereferenceable({{[0-9]+}}) [[APARM:%.+]])<br>+// CHECK:  store i8* [[APARM]], i8** [[APTRADDR:%.+]]<br>+// ..many loads of %0..<br>+// CHECK:  [[A2:%.+]] = load i8*, i8** [[APTRADDR]]<br>+// CHECK:  [[AVAL0:%.+]] = load i8, i8* [[A2]]<br>+// CHECK:  [[AVAL1:%.+]] = load i8, i8* [[A2]]<br>+// CHECK:  [[AVAL2:%.+]] = load i8, i8* [[A2]]<br>+// CHECK:  [[ACONV:%.+]] = sext i8 [[AVAL2]] to i32<br>+// CHECK:  [[ACMP:%.+]] = icmp slt i32 [[ACONV]], 10<br>+// CHECK:  br i1 [[ACMP]], label %[[PRECOND_THEN:.+]], label %[[PRECOND_END:.+]]<br>+// CHECK:  [[PRECOND_THEN]]<br>+// CHECK:  call void @__kmpc_for_static_init_4<br>+// CHECK:  call void @__kmpc_for_static_fini<br>+// CHECK:  [[PRECOND_END]]<br>+<br>+// no templates for now, as these require special handling in target regions and/or declare target<br>+<br>+#endif<br><br><br>_______________________________________________<br>cfe-commits mailing list</font><u><font size="4" color="#0000FF"><br></font></u><a href="mailto:cfe-commits@lists.llvm.org"><u><font size="4" color="#0000FF">cfe-commits@lists.llvm.org</font></u></a><u><font size="4" color="#0000FF"><br></font></u><a href="http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits" target="_blank"><u><font size="4" color="#0000FF">http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits</font></u></a><br><br></ul><BR>
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