Merge llvm-project 12.0.0 release

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-12.0.0-0-gd28af7c654d8, a.k.a. 12.0.0 release.

PR:		255570
MFC after:	6 weeks

1 files changed, 21 insertions, 13 deletions

diff --git a/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp b/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp
index 57cc2d60e2af..caa5291ff6fa 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntime.cpp
@@ -409,6 +409,7 @@ class InlinedOpenMPRegionRAII {
   llvm::DenseMap<const VarDecl *, FieldDecl *> LambdaCaptureFields;
   FieldDecl *LambdaThisCaptureField = nullptr;
   const CodeGen::CGBlockInfo *BlockInfo = nullptr;
+  bool NoInheritance = false;
 
 public:
   /// Constructs region for combined constructs.
@@ -416,16 +417,19 @@ public:
   /// a list of functions used for code generation of implicitly inlined
   /// regions.
   InlinedOpenMPRegionRAII(CodeGenFunction &CGF, const RegionCodeGenTy &CodeGen,
-                          OpenMPDirectiveKind Kind, bool HasCancel)
-      : CGF(CGF) {
+                          OpenMPDirectiveKind Kind, bool HasCancel,
+                          bool NoInheritance = true)
+      : CGF(CGF), NoInheritance(NoInheritance) {
     // Start emission for the construct.
     CGF.CapturedStmtInfo = new CGOpenMPInlinedRegionInfo(
         CGF.CapturedStmtInfo, CodeGen, Kind, HasCancel);
-    std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields);
-    LambdaThisCaptureField = CGF.LambdaThisCaptureField;
-    CGF.LambdaThisCaptureField = nullptr;
-    BlockInfo = CGF.BlockInfo;
-    CGF.BlockInfo = nullptr;
+    if (NoInheritance) {
+      std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields);
+      LambdaThisCaptureField = CGF.LambdaThisCaptureField;
+      CGF.LambdaThisCaptureField = nullptr;
+      BlockInfo = CGF.BlockInfo;
+      CGF.BlockInfo = nullptr;
+    }
   }
 
   ~InlinedOpenMPRegionRAII() {
@@ -434,9 +438,11 @@ public:
         cast<CGOpenMPInlinedRegionInfo>(CGF.CapturedStmtInfo)->getOldCSI();
     delete CGF.CapturedStmtInfo;
     CGF.CapturedStmtInfo = OldCSI;
-    std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields);
-    CGF.LambdaThisCaptureField = LambdaThisCaptureField;
-    CGF.BlockInfo = BlockInfo;
+    if (NoInheritance) {
+      std::swap(CGF.LambdaCaptureFields, LambdaCaptureFields);
+      CGF.LambdaThisCaptureField = LambdaThisCaptureField;
+      CGF.BlockInfo = BlockInfo;
+    }
   }
 };
 
@@ -3853,7 +3859,7 @@ static void emitPrivatesInit(CodeGenFunction &CGF,
           // Processing for implicitly captured variables.
           InlinedOpenMPRegionRAII Region(
               CGF, [](CodeGenFunction &, PrePostActionTy &) {}, OMPD_unknown,
-              /*HasCancel=*/false);
+              /*HasCancel=*/false, /*NoInheritance=*/true);
           SharedRefLValue = CGF.EmitLValue(Pair.second.OriginalRef);
         }
         if (Type->isArrayType()) {
@@ -6214,7 +6220,9 @@ void CGOpenMPRuntime::emitInlinedDirective(CodeGenFunction &CGF,
                                            bool HasCancel) {
   if (!CGF.HaveInsertPoint())
     return;
-  InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel);
+  InlinedOpenMPRegionRAII Region(CGF, CodeGen, InnerKind, HasCancel,
+                                 InnerKind != OMPD_critical &&
+                                     InnerKind != OMPD_master);
   CGF.CapturedStmtInfo->EmitBody(CGF, /*S=*/nullptr);
 }
 
@@ -9892,7 +9900,7 @@ void CGOpenMPRuntime::emitTargetNumIterationsCall(
       llvm::Value *Args[] = {RTLoc, DeviceID, NumIterations};
       CGF.EmitRuntimeCall(
           OMPBuilder.getOrCreateRuntimeFunction(
-              CGM.getModule(), OMPRTL___kmpc_push_target_tripcount),
+              CGM.getModule(), OMPRTL___kmpc_push_target_tripcount_mapper),
           Args);
     }
   };