From: Adam Nemet <anemet@apple.com>
Date: Thu, 29 Sep 2016 18:04:47 +0000 (+0000)
Subject: [LV] Port OptimizationRemarkAnalysisFPCommute and
X-Git-Tag: llvmorg-4.0.0-rc1~8604
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3628282a77d27f27e0f3dcb5b800b5b065d36a20;p=platform%2Fupstream%2Fllvm.git

[LV] Port OptimizationRemarkAnalysisFPCommute and
OptimizationRemarkAnalysisAliasing to new streaming API for opt remarks

llvm-svn: 282742
---

diff --git a/llvm/include/llvm/IR/DiagnosticInfo.h b/llvm/include/llvm/IR/DiagnosticInfo.h
index a91a813..015f304 100644
--- a/llvm/include/llvm/IR/DiagnosticInfo.h
+++ b/llvm/include/llvm/IR/DiagnosticInfo.h
@@ -600,6 +600,10 @@ protected:
                              const Twine &Msg, Optional<uint64_t> Hotness)
       : DiagnosticInfoOptimizationBase(Kind, DS_Remark, PassName, Fn, DLoc, Msg,
                                        Hotness) {}
+
+  OptimizationRemarkAnalysis(enum DiagnosticKind Kind, const char *PassName,
+                             StringRef RemarkName, const DebugLoc &DLoc,
+                             Value *CodeRegion);
 };
 
 /// Diagnostic information for optimization analysis remarks related to
@@ -622,6 +626,19 @@ public:
       : OptimizationRemarkAnalysis(DK_OptimizationRemarkAnalysisFPCommute,
                                    PassName, Fn, DLoc, Msg, Hotness) {}
 
+  /// \p PassName is the name of the pass emitting this diagnostic. If this name
+  /// matches the regular expression given in -Rpass-analysis=, then the
+  /// diagnostic will be emitted.  \p RemarkName is a textual identifier for the
+  /// remark.  \p DLoc is the debug location and \p CodeRegion is the region
+  /// that the optimization operates on (currently on block is supported). The
+  /// front-end will append its own message related to options that address
+  /// floating-point non-commutativity.
+  OptimizationRemarkAnalysisFPCommute(const char *PassName,
+                                      StringRef RemarkName,
+                                      const DebugLoc &DLoc, Value *CodeRegion)
+      : OptimizationRemarkAnalysis(DK_OptimizationRemarkAnalysisFPCommute,
+                                   PassName, RemarkName, DLoc, CodeRegion) {}
+
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemarkAnalysisFPCommute;
   }
@@ -647,6 +664,18 @@ public:
       : OptimizationRemarkAnalysis(DK_OptimizationRemarkAnalysisAliasing,
                                    PassName, Fn, DLoc, Msg, Hotness) {}
 
+  /// \p PassName is the name of the pass emitting this diagnostic. If this name
+  /// matches the regular expression given in -Rpass-analysis=, then the
+  /// diagnostic will be emitted.  \p RemarkName is a textual identifier for the
+  /// remark.  \p DLoc is the debug location and \p CodeRegion is the region
+  /// that the optimization operates on (currently on block is supported). The
+  /// front-end will append its own message related to options that address
+  /// pointer aliasing legality.
+  OptimizationRemarkAnalysisAliasing(const char *PassName, StringRef RemarkName,
+                                     const DebugLoc &DLoc, Value *CodeRegion)
+      : OptimizationRemarkAnalysis(DK_OptimizationRemarkAnalysisAliasing,
+                                   PassName, RemarkName, DLoc, CodeRegion) {}
+
   static bool classof(const DiagnosticInfo *DI) {
     return DI->getKind() == DK_OptimizationRemarkAnalysisAliasing;
   }
diff --git a/llvm/lib/IR/DiagnosticInfo.cpp b/llvm/lib/IR/DiagnosticInfo.cpp
index 3c2ed08..8e15014 100644
--- a/llvm/lib/IR/DiagnosticInfo.cpp
+++ b/llvm/lib/IR/DiagnosticInfo.cpp
@@ -232,6 +232,15 @@ OptimizationRemarkAnalysis::OptimizationRemarkAnalysis(const char *PassName,
                                      *Inst->getParent()->getParent(),
                                      Inst->getDebugLoc(), Inst->getParent()) {}
 
+OptimizationRemarkAnalysis::OptimizationRemarkAnalysis(enum DiagnosticKind Kind,
+                                                       const char *PassName,
+                                                       StringRef RemarkName,
+                                                       const DebugLoc &DLoc,
+                                                       Value *CodeRegion)
+    : DiagnosticInfoOptimizationBase(Kind, DS_Remark, PassName, RemarkName,
+                                     *cast<BasicBlock>(CodeRegion)->getParent(),
+                                     DLoc, CodeRegion) {}
+
 bool OptimizationRemarkAnalysis::isEnabled() const {
   return shouldAlwaysPrint() ||
          (PassRemarksAnalysisOptLoc.Pattern &&
diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
index 44af9bb..bc92441 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -1978,14 +1978,15 @@ public:
   void addRuntimePointerChecks(unsigned Num) { NumRuntimePointerChecks = Num; }
 
   bool doesNotMeet(Function *F, Loop *L, const LoopVectorizeHints &Hints) {
-    const char *Name = Hints.vectorizeAnalysisPassName();
+    const char *PassName = Hints.vectorizeAnalysisPassName();
     bool Failed = false;
     if (UnsafeAlgebraInst && !Hints.allowReordering()) {
-      ORE.emitOptimizationRemarkAnalysisFPCommute(
-          Name, UnsafeAlgebraInst->getDebugLoc(),
-          UnsafeAlgebraInst->getParent(),
-          VectorizationReport() << "cannot prove it is safe to reorder "
-                                   "floating-point operations");
+      ORE.emit(
+          OptimizationRemarkAnalysisFPCommute(PassName, "CantReorderFPOps",
+                                              UnsafeAlgebraInst->getDebugLoc(),
+                                              UnsafeAlgebraInst->getParent())
+          << "loop not vectorized: cannot prove it is safe to reorder "
+             "floating-point operations");
       Failed = true;
     }
 
@@ -1996,10 +1997,11 @@ public:
         NumRuntimePointerChecks > VectorizerParams::RuntimeMemoryCheckThreshold;
     if ((ThresholdReached && !Hints.allowReordering()) ||
         PragmaThresholdReached) {
-      ORE.emitOptimizationRemarkAnalysisAliasing(
-          Name, L,
-          VectorizationReport()
-              << "cannot prove it is safe to reorder memory operations");
+      ORE.emit(OptimizationRemarkAnalysisAliasing(PassName, "CantReorderMemOps",
+                                                  L->getStartLoc(),
+                                                  L->getHeader())
+               << "loop not vectorized: cannot prove it is safe to reorder "
+                  "memory operations");
       DEBUG(dbgs() << "LV: Too many memory checks needed.\n");
       Failed = true;
     }