r209942 - [CodeGen] Don't cast and use SizeTy instead of Int32Ty when constructing {extract, insert} vector element instructions.

David Blaikie dblaikie at gmail.com
Sat May 31 10:44:32 PDT 2014


On Fri, May 30, 2014 at 5:22 PM, Michael J. Spencer
<bigcheesegs at gmail.com> wrote:
> Author: mspencer
> Date: Fri May 30 19:22:12 2014
> New Revision: 209942
>
> URL: http://llvm.org/viewvc/llvm-project?rev=209942&view=rev
> Log:
> [CodeGen] Don't cast and use SizeTy instead of Int32Ty when constructing {extract,insert} vector element instructions.

I'm going to go out on a limb & say that maybe this commit caused
http://lab.llvm.org:8011/builders/clang-x86_64-ubuntu-gdb-75/builds/15195
?

>
> Modified:
>     cfe/trunk/lib/CodeGen/CGBuiltin.cpp
>     cfe/trunk/lib/CodeGen/CGExpr.cpp
>     cfe/trunk/lib/CodeGen/CGExprScalar.cpp
>     cfe/trunk/test/CodeGen/builtinshufflevector2.c
>
> Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=209942&r1=209941&r2=209942&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri May 30 19:22:12 2014
> @@ -2493,7 +2493,7 @@ static Value *EmitCommonNeonSISDBuiltinE
>    Function *F = CGF.LookupNeonLLVMIntrinsic(Int, Modifier, ArgTy, E);
>
>    int j = 0;
> -  ConstantInt *C0 = ConstantInt::get(CGF.Int32Ty, 0);
> +  ConstantInt *C0 = ConstantInt::get(CGF.SizeTy, 0);
>    for (Function::const_arg_iterator ai = F->arg_begin(), ae = F->arg_end();
>         ai != ae; ++ai, ++j) {
>      llvm::Type *ArgTy = ai->getType();
> @@ -2733,7 +2733,7 @@ Value *CodeGenFunction::EmitCommonNeonBu
>      Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
>      LoadInst *Ld = Builder.CreateLoad(Ops[0]);
>      Ld->setAlignment(cast<ConstantInt>(Align)->getZExtValue());
> -    llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
> +    llvm::Constant *CI = ConstantInt::get(SizeTy, 0);
>      Ops[0] = Builder.CreateInsertElement(V, Ld, CI);
>      return EmitNeonSplat(Ops[0], CI);
>    }
> @@ -3703,7 +3703,7 @@ Value *CodeGenFunction::vectorWrapScalar
>    llvm::Type *VTy = llvm::VectorType::get(Int16Ty, 4);
>    Op = Builder.CreateBitCast(Op, Int16Ty);
>    Value *V = UndefValue::get(VTy);
> -  llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
> +  llvm::Constant *CI = ConstantInt::get(SizeTy, 0);
>    Op = Builder.CreateInsertElement(V, Op, CI);
>    return Op;
>  }
> @@ -3712,7 +3712,7 @@ Value *CodeGenFunction::vectorWrapScalar
>    llvm::Type *VTy = llvm::VectorType::get(Int8Ty, 8);
>    Op = Builder.CreateBitCast(Op, Int8Ty);
>    Value *V = UndefValue::get(VTy);
> -  llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
> +  llvm::Constant *CI = ConstantInt::get(SizeTy, 0);
>    Op = Builder.CreateInsertElement(V, Op, CI);
>    return Op;
>  }
> @@ -3729,7 +3729,7 @@ emitVectorWrappedScalar8Intrinsic(unsign
>    Ops[1] = vectorWrapScalar8(Ops[1]);
>    llvm::Type *VTy = llvm::VectorType::get(Int8Ty, 8);
>    Value *V = EmitNeonCall(CGM.getIntrinsic(Int, VTy), Ops, Name);
> -  Constant *CI = ConstantInt::get(Int32Ty, 0);
> +  Constant *CI = ConstantInt::get(SizeTy, 0);
>    return Builder.CreateExtractElement(V, CI, "lane0");
>  }
>
> @@ -3745,7 +3745,7 @@ emitVectorWrappedScalar16Intrinsic(unsig
>    Ops[1] = vectorWrapScalar16(Ops[1]);
>    llvm::Type *VTy = llvm::VectorType::get(Int16Ty, 4);
>    Value *V = EmitNeonCall(CGM.getIntrinsic(Int, VTy), Ops, Name);
> -  Constant *CI = ConstantInt::get(Int32Ty, 0);
> +  Constant *CI = ConstantInt::get(SizeTy, 0);
>    return Builder.CreateExtractElement(V, CI, "lane0");
>  }
>
> @@ -3950,8 +3950,8 @@ Value *CodeGenFunction::EmitAArch64Built
>      Value *Vec = EmitScalarExpr(E->getArg(0));
>      // The vector is v2f64, so make sure it's bitcast to that.
>      Vec = Builder.CreateBitCast(Vec, Ty, "v2i64");
> -    llvm::Value *Idx0 = llvm::ConstantInt::get(Int32Ty, 0);
> -    llvm::Value *Idx1 = llvm::ConstantInt::get(Int32Ty, 1);
> +    llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0);
> +    llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1);
>      Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0");
>      Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1");
>      // Pairwise addition of a v2f64 into a scalar f64.
> @@ -3963,8 +3963,8 @@ Value *CodeGenFunction::EmitAArch64Built
>      Value *Vec = EmitScalarExpr(E->getArg(0));
>      // The vector is v2f64, so make sure it's bitcast to that.
>      Vec = Builder.CreateBitCast(Vec, Ty, "v2f64");
> -    llvm::Value *Idx0 = llvm::ConstantInt::get(Int32Ty, 0);
> -    llvm::Value *Idx1 = llvm::ConstantInt::get(Int32Ty, 1);
> +    llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0);
> +    llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1);
>      Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0");
>      Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1");
>      // Pairwise addition of a v2f64 into a scalar f64.
> @@ -3976,8 +3976,8 @@ Value *CodeGenFunction::EmitAArch64Built
>      Value *Vec = EmitScalarExpr(E->getArg(0));
>      // The vector is v2f32, so make sure it's bitcast to that.
>      Vec = Builder.CreateBitCast(Vec, Ty, "v2f32");
> -    llvm::Value *Idx0 = llvm::ConstantInt::get(Int32Ty, 0);
> -    llvm::Value *Idx1 = llvm::ConstantInt::get(Int32Ty, 1);
> +    llvm::Value *Idx0 = llvm::ConstantInt::get(SizeTy, 0);
> +    llvm::Value *Idx1 = llvm::ConstantInt::get(SizeTy, 1);
>      Value *Op0 = Builder.CreateExtractElement(Vec, Idx0, "lane0");
>      Value *Op1 = Builder.CreateExtractElement(Vec, Idx1, "lane1");
>      // Pairwise addition of a v2f32 into a scalar f32.
> @@ -4228,7 +4228,7 @@ Value *CodeGenFunction::EmitAArch64Built
>      llvm::Type *VTy = llvm::VectorType::get(Int32Ty, 4);
>      Ops[1] = EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmull, VTy),
>                            ProductOps, "vqdmlXl");
> -    Constant *CI = ConstantInt::get(Int32Ty, 0);
> +    Constant *CI = ConstantInt::get(SizeTy, 0);
>      Ops[1] = Builder.CreateExtractElement(Ops[1], CI, "lane0");
>
>      unsigned AccumInt = BuiltinID == NEON::BI__builtin_neon_vqdmlalh_s16
> @@ -4325,7 +4325,7 @@ Value *CodeGenFunction::EmitAArch64Built
>      llvm::Type *VTy = llvm::VectorType::get(Int32Ty, 4);
>      Ops[1] = EmitNeonCall(CGM.getIntrinsic(Intrinsic::aarch64_neon_sqdmull, VTy),
>                            ProductOps, "vqdmlXl");
> -    Constant *CI = ConstantInt::get(Int32Ty, 0);
> +    Constant *CI = ConstantInt::get(SizeTy, 0);
>      Ops[1] = Builder.CreateExtractElement(Ops[1], CI, "lane0");
>      Ops.pop_back();
>
> @@ -5232,7 +5232,7 @@ Value *CodeGenFunction::EmitAArch64Built
>      Ty = llvm::PointerType::getUnqual(VTy->getElementType());
>      Ops[0] = Builder.CreateBitCast(Ops[0], Ty);
>      Ops[0] = Builder.CreateLoad(Ops[0]);
> -    llvm::Constant *CI = ConstantInt::get(Int32Ty, 0);
> +    llvm::Constant *CI = ConstantInt::get(SizeTy, 0);
>      Ops[0] = Builder.CreateInsertElement(V, Ops[0], CI);
>      return EmitNeonSplat(Ops[0], CI);
>    }
> @@ -5611,7 +5611,7 @@ Value *CodeGenFunction::EmitX86BuiltinEx
>
>      // extract (0, 1)
>      unsigned Index = BuiltinID == X86::BI__builtin_ia32_storelps ? 0 : 1;
> -    llvm::Value *Idx = llvm::ConstantInt::get(Int32Ty, Index);
> +    llvm::Value *Idx = llvm::ConstantInt::get(SizeTy, Index);
>      Ops[1] = Builder.CreateExtractElement(Ops[1], Idx, "extract");
>
>      // cast pointer to i64 & store
>
> Modified: cfe/trunk/lib/CodeGen/CGExpr.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExpr.cpp?rev=209942&r1=209941&r2=209942&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGExpr.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGExpr.cpp Fri May 30 19:22:12 2014
> @@ -1331,7 +1331,7 @@ RValue CodeGenFunction::EmitLoadOfExtVec
>    const VectorType *ExprVT = LV.getType()->getAs<VectorType>();
>    if (!ExprVT) {
>      unsigned InIdx = getAccessedFieldNo(0, Elts);
> -    llvm::Value *Elt = llvm::ConstantInt::get(Int32Ty, InIdx);
> +    llvm::Value *Elt = llvm::ConstantInt::get(SizeTy, InIdx);
>      return RValue::get(Builder.CreateExtractElement(Vec, Elt));
>    }
>
> @@ -1590,7 +1590,7 @@ void CodeGenFunction::EmitStoreThroughEx
>    } else {
>      // If the Src is a scalar (not a vector) it must be updating one element.
>      unsigned InIdx = getAccessedFieldNo(0, Elts);
> -    llvm::Value *Elt = llvm::ConstantInt::get(Int32Ty, InIdx);
> +    llvm::Value *Elt = llvm::ConstantInt::get(SizeTy, InIdx);
>      Vec = Builder.CreateInsertElement(Vec, SrcVal, Elt);
>    }
>
> @@ -2307,7 +2307,6 @@ LValue CodeGenFunction::EmitArraySubscri
>      // Emit the vector as an lvalue to get its address.
>      LValue LHS = EmitLValue(E->getBase());
>      assert(LHS.isSimple() && "Can only subscript lvalue vectors here!");
> -    Idx = Builder.CreateIntCast(Idx, Int32Ty, IdxSigned, "vidx");
>      return LValue::MakeVectorElt(LHS.getAddress(), Idx,
>                                   E->getBase()->getType(), LHS.getAlignment());
>    }
>
> Modified: cfe/trunk/lib/CodeGen/CGExprScalar.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExprScalar.cpp?rev=209942&r1=209941&r2=209942&view=diff
> ==============================================================================
> --- cfe/trunk/lib/CodeGen/CGExprScalar.cpp (original)
> +++ cfe/trunk/lib/CodeGen/CGExprScalar.cpp Fri May 30 19:22:12 2014
> @@ -940,9 +940,8 @@ Value *ScalarExprEmitter::VisitShuffleVe
>                                                    MTy->getNumElements());
>      Value* NewV = llvm::UndefValue::get(RTy);
>      for (unsigned i = 0, e = MTy->getNumElements(); i != e; ++i) {
> -      Value *IIndx = Builder.getInt32(i);
> +      Value *IIndx = llvm::ConstantInt::get(CGF.SizeTy, i);
>        Value *Indx = Builder.CreateExtractElement(Mask, IIndx, "shuf_idx");
> -      Indx = Builder.CreateZExt(Indx, CGF.Int32Ty, "idx_zext");
>
>        Value *VExt = Builder.CreateExtractElement(LHS, Indx, "shuf_elt");
>        NewV = Builder.CreateInsertElement(NewV, VExt, IIndx, "shuf_ins");
> @@ -1073,8 +1072,6 @@ Value *ScalarExprEmitter::VisitArraySubs
>    if (CGF.SanOpts->ArrayBounds)
>      CGF.EmitBoundsCheck(E, E->getBase(), Idx, IdxTy, /*Accessed*/true);
>
> -  bool IdxSigned = IdxTy->isSignedIntegerOrEnumerationType();
> -  Idx = Builder.CreateIntCast(Idx, CGF.Int32Ty, IdxSigned, "vecidxcast");
>    return Builder.CreateExtractElement(Base, Idx, "vecext");
>  }
>
>
> Modified: cfe/trunk/test/CodeGen/builtinshufflevector2.c
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtinshufflevector2.c?rev=209942&r1=209941&r2=209942&view=diff
> ==============================================================================
> --- cfe/trunk/test/CodeGen/builtinshufflevector2.c (original)
> +++ cfe/trunk/test/CodeGen/builtinshufflevector2.c Fri May 30 19:22:12 2014
> @@ -6,23 +6,23 @@ typedef unsigned int uint4 __attribute__
>  // CHECK-LABEL: define void @clang_shufflevector_v_v(
>  void clang_shufflevector_v_v( float4* A, float4 x, uint4 mask ) {
>  // CHECK: [[MASK:%.*]] = and <4 x i32> {{%.*}}, <i32 3, i32 3, i32 3, i32 3>
> -// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 0
> -// CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i32 [[I]]
> +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 0
> +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X:%.*]], i{{[0-9]+}} [[I]]
>  //
>  // Here is where ToT Clang code generation makes a mistake.
>  // It uses [[I]] as the insertion index instead of 0.
>  // Similarly on the remaining insertelement.
> -// CHECK: [[V:%[a-zA-Z0-9._]+]] = insertelement <4 x float> undef, float [[E]], i32 0
> +// CHECK: [[V:%[a-zA-Z0-9._]+]] = insertelement <4 x float> undef, float [[E]], i{{[0-9]+}} 0
>
> -// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 1
> -// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]]
> -// CHECK: [[V2:%.*]] = insertelement <4 x float> [[V]], float [[E]], i32 1
> -// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 2
> -// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]]
> -// CHECK: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[E]], i32 2
> -// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i32 3
> -// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i32 [[I]]
> -// CHECK: [[V4:%.*]] = insertelement <4 x float> [[V3]], float [[E]], i32 3
> +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 1
> +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]]
> +// CHECK: [[V2:%.*]] = insertelement <4 x float> [[V]], float [[E]], i{{[0-9]+}} 1
> +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 2
> +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]]
> +// CHECK: [[V3:%.*]] = insertelement <4 x float> [[V2]], float [[E]], i{{[0-9]+}} 2
> +// CHECK: [[I:%.*]] = extractelement <4 x i32> [[MASK]], i{{[0-9]+}} 3
> +// CHECK: [[E:%.*]] = extractelement <4 x float> [[X]], i{{[0-9]+}} [[I]]
> +// CHECK: [[V4:%.*]] = insertelement <4 x float> [[V3]], float [[E]], i{{[0-9]+}} 3
>  // CHECK: store <4 x float> [[V4]], <4 x float>* {{%.*}},
>    *A = __builtin_shufflevector( x, mask );
>  }
>
>
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits



More information about the cfe-commits mailing list