[llvm] r281961 - Reverting revision 281960 due to test failures.

Dorit Nuzman via llvm-commits llvm-commits at lists.llvm.org
Tue Sep 20 01:27:48 PDT 2016


Author: dorit
Date: Tue Sep 20 03:27:48 2016
New Revision: 281961

URL: http://llvm.org/viewvc/llvm-project?rev=281961&view=rev
Log:
Reverting revision 281960 due to test failures.


Removed:
    llvm/trunk/test/Transforms/SROA/mem-par-metadata-sroa.ll
Modified:
    llvm/trunk/lib/Transforms/Scalar/SROA.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/SROA.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SROA.cpp?rev=281961&r1=281960&r2=281961&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/SROA.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/SROA.cpp Tue Sep 20 03:27:48 2016
@@ -2482,10 +2482,8 @@ private:
     }
     V = convertValue(DL, IRB, V, NewAllocaTy);
     StoreInst *Store = IRB.CreateAlignedStore(V, &NewAI, NewAI.getAlignment());
-    auto LoopParMD =
-      makeArrayRef((unsigned)LLVMContext::MD_mem_parallel_loop_access);
-    Store->copyMetadata(SI, LoopParMD);
     Pass.DeadInsts.insert(&SI);
+    (void)Store;
     DEBUG(dbgs() << "          to: " << *Store << "\n");
     return true;
   }
@@ -2547,9 +2545,6 @@ private:
       NewSI = IRB.CreateAlignedStore(V, NewPtr, getSliceAlign(V->getType()),
                                      SI.isVolatile());
     }
-    auto LoopParMD =
-      makeArrayRef((unsigned)LLVMContext::MD_mem_parallel_loop_access);
-    NewSI->copyMetadata(SI, LoopParMD);
     if (SI.isVolatile())
       NewSI->setAtomic(SI.getOrdering(), SI.getSynchScope());
     Pass.DeadInsts.insert(&SI);
@@ -3565,8 +3560,6 @@ bool SROA::presplitLoadsAndStores(Alloca
 
     uint64_t PartOffset = 0, PartSize = Offsets.Splits.front();
     int Idx = 0, Size = Offsets.Splits.size();
-    auto LoopParMD =
-      makeArrayRef((unsigned)LLVMContext::MD_mem_parallel_loop_access);
     for (;;) {
       auto *PartTy = Type::getIntNTy(Ty->getContext(), PartSize * 8);
       auto *PartPtrTy = PartTy->getPointerTo(LI->getPointerAddressSpace());
@@ -3576,7 +3569,6 @@ bool SROA::presplitLoadsAndStores(Alloca
                          PartPtrTy, BasePtr->getName() + "."),
           getAdjustedAlignment(LI, PartOffset, DL), /*IsVolatile*/ false,
           LI->getName());
-      PLoad->copyMetadata(*LI, LoopParMD); 
 
       // Append this load onto the list of split loads so we can find it later
       // to rewrite the stores.
@@ -3629,7 +3621,7 @@ bool SROA::presplitLoadsAndStores(Alloca
                                   APInt(DL.getPointerSizeInBits(), PartOffset),
                                   PartPtrTy, StoreBasePtr->getName() + "."),
             getAdjustedAlignment(SI, PartOffset, DL), /*IsVolatile*/ false);
-        PStore->copyMetadata(*LI, LoopParMD);
+        (void)PStore;
         DEBUG(dbgs() << "      +" << PartOffset << ":" << *PStore << "\n");
       }
 

Removed: llvm/trunk/test/Transforms/SROA/mem-par-metadata-sroa.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/SROA/mem-par-metadata-sroa.ll?rev=281960&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/SROA/mem-par-metadata-sroa.ll (original)
+++ llvm/trunk/test/Transforms/SROA/mem-par-metadata-sroa.ll (removed)
@@ -1,110 +0,0 @@
-; RUN: opt < %s -sroa -S | FileCheck %s
-;
-; Make sure the llvm.mem.parallel_loop_access meta-data is preserved
-; when a load/store is replaced with another load/store by sroa
-;
-; class Complex {
-; private:
-;  float real_;
-;  float imaginary_;
-;
-; public:
-;   Complex() : real_(0), imaginary_(0) { }
-;   Complex(float real, float imaginary) : real_(real), imaginary_(imaginary) { }
-;   Complex(const Complex &rhs) : real_(rhs.real()), imaginary_(rhs.imaginary()) { }
-; 
-;   inline float real() const { return real_; }
-;   inline float imaginary() const { return imaginary_; }
-; 
-;   Complex operator+(const Complex& rhs) const
-;   {
-;     return Complex(real_ + rhs.real_, imaginary_ + rhs.imaginary_);
-;   }
-; };
-; 
-; void test(Complex *out, long size)
-; {
-;     #pragma clang loop vectorize(assume_safety)
-;     for (long offset = 0; offset < size; ++offset) {
-;       Complex t0 = out[offset];
-;       out[offset] = t0 + t0;
-;     }
-; }
-
-; CHECK: for.body:
-; CHECK-NOT:  store i32 %{{.*}}, i32* %{{.*}}, align 4
-; CHECK: store i32 %{{.*}}, i32* %{{.*}}, align 4, !llvm.mem.parallel_loop_access !1
-; CHECK-NOT:  store i32 %{{.*}}, i32* %{{.*}}, align 4
-; CHECK: store i32 %{{.*}}, i32* %{{.*}}, align 4, !llvm.mem.parallel_loop_access !1
-; CHECK-NOT:  store i32 %{{.*}}, i32* %{{.*}}, align 4
-; CHECK: br label
-
-; ModuleID = '<stdin>'
-source_filename = "mem-par-metadata-sroa1.cpp"
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-%class.Complex = type { float, float }
-
-; Function Attrs: norecurse nounwind uwtable
-define void @_Z4testP7Complexl(%class.Complex* nocapture %out, i64 %size) local_unnamed_addr #0 {
-entry:
-  %t0 = alloca %class.Complex, align 4
-  %ref.tmp = alloca i64, align 8
-  %tmpcast = bitcast i64* %ref.tmp to %class.Complex*
-  br label %for.cond
-
-for.cond:                                         ; preds = %for.body, %entry
-  %offset.0 = phi i64 [ 0, %entry ], [ %inc, %for.body ]
-  %cmp = icmp slt i64 %offset.0, %size
-  br i1 %cmp, label %for.body, label %for.end
-
-for.body:                                         ; preds = %for.cond
-  %arrayidx = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %offset.0
-  %real_.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
-  %real_.i.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx, i64 0, i32 0
-  %0 = load float, float* %real_.i.i, align 4, !llvm.mem.parallel_loop_access !1
-  store float %0, float* %real_.i, align 4, !llvm.mem.parallel_loop_access !1
-  %imaginary_.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
-  %imaginary_.i.i = getelementptr inbounds %class.Complex, %class.Complex* %arrayidx, i64 0, i32 1
-  %1 = load float, float* %imaginary_.i.i, align 4, !llvm.mem.parallel_loop_access !1
-  store float %1, float* %imaginary_.i, align 4, !llvm.mem.parallel_loop_access !1
-  %arrayidx1 = getelementptr inbounds %class.Complex, %class.Complex* %out, i64 %offset.0
-  %real_.i1 = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
-  %2 = load float, float* %real_.i1, align 4, !noalias !3, !llvm.mem.parallel_loop_access !1
-  %real_2.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 0
-  %3 = load float, float* %real_2.i, align 4, !noalias !3, !llvm.mem.parallel_loop_access !1
-  %add.i = fadd float %2, %3
-  %imaginary_.i2 = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
-  %4 = load float, float* %imaginary_.i2, align 4, !noalias !3, !llvm.mem.parallel_loop_access !1
-  %imaginary_3.i = getelementptr inbounds %class.Complex, %class.Complex* %t0, i64 0, i32 1
-  %5 = load float, float* %imaginary_3.i, align 4, !noalias !3, !llvm.mem.parallel_loop_access !1
-  %add4.i = fadd float %4, %5
-  %real_.i.i3 = getelementptr inbounds %class.Complex, %class.Complex* %tmpcast, i64 0, i32 0
-  store float %add.i, float* %real_.i.i3, align 4, !alias.scope !3, !llvm.mem.parallel_loop_access !1
-  %imaginary_.i.i4 = getelementptr inbounds %class.Complex, %class.Complex* %tmpcast, i64 0, i32 1
-  store float %add4.i, float* %imaginary_.i.i4, align 4, !alias.scope !3, !llvm.mem.parallel_loop_access !1
-  %6 = bitcast %class.Complex* %arrayidx1 to i64*
-  %7 = load i64, i64* %ref.tmp, align 8, !llvm.mem.parallel_loop_access !1
-  store i64 %7, i64* %6, align 4, !llvm.mem.parallel_loop_access !1
-  %inc = add nsw i64 %offset.0, 1
-  br label %for.cond, !llvm.loop !1
-
-for.end:                                          ; preds = %for.cond
-  ret void
-}
-
-; Function Attrs: argmemonly nounwind
-declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32, i1) #1
-
-attributes #0 = { norecurse nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { argmemonly nounwind }
-
-!llvm.ident = !{!0}
-
-!0 = !{!"clang version 4.0.0 (cfe/trunk 277751)"}
-!1 = distinct !{!1, !2}
-!2 = !{!"llvm.loop.vectorize.enable", i1 true}
-!3 = !{!4}
-!4 = distinct !{!4, !5, !"_ZNK7ComplexplERKS_: %agg.result"}
-!5 = distinct !{!5, !"_ZNK7ComplexplERKS_"}




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