llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-backend-x86 Author: Joshua Batista (bob80905) <details> <summary>Changes</summary> This PR adds the normalize intrinsic and an HLSL function that uses it. The SPIRV backend is also implemented. Used https://github.com/llvm/llvm-project/pull/101256 as a reference, along with https://github.com/llvm/llvm-project/pull/102243 Fixes https://github.com/llvm/llvm-project/issues/99139 --- Patch is 25.18 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/102683.diff 14 Files Affected: - (modified) clang/include/clang/Basic/Builtins.td (+6) - (modified) clang/lib/CodeGen/CGBuiltin.cpp (+23) - (modified) clang/lib/CodeGen/CGHLSLRuntime.h (+1) - (modified) clang/lib/Headers/hlsl/hlsl_intrinsics.h (+32) - (modified) clang/lib/Sema/SemaHLSL.cpp (+12) - (added) clang/test/CodeGenHLSL/builtins/normalize.hlsl (+73) - (added) clang/test/SemaHLSL/BuiltIns/normalize-errors.hlsl (+31) - (modified) llvm/include/llvm/IR/IntrinsicsDirectX.td (+1) - (modified) llvm/include/llvm/IR/IntrinsicsSPIRV.td (+1) - (modified) llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp (+72) - (modified) llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp (+22) - (added) llvm/test/CodeGen/DirectX/normalize.ll (+118) - (added) llvm/test/CodeGen/DirectX/normalize_error.ll (+10) - (added) llvm/test/CodeGen/SPIRV/hlsl-intrinsics/normalize.ll (+29) ``````````diff diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td index b025a7681bfac3..0a874d8638df43 100644 --- a/clang/include/clang/Basic/Builtins.td +++ b/clang/include/clang/Basic/Builtins.td @@ -4725,6 +4725,12 @@ def HLSLMad : LangBuiltin<"HLSL_LANG"> { let Prototype = "void(...)"; } +def HLSLNormalize : LangBuiltin<"HLSL_LANG"> { + let Spellings = ["__builtin_hlsl_normalize"]; + let Attributes = [NoThrow, Const]; + let Prototype = "void(...)"; +} + def HLSLRcp : LangBuiltin<"HLSL_LANG"> { let Spellings = ["__builtin_hlsl_elementwise_rcp"]; let Attributes = [NoThrow, Const]; diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index d1af7fde157b64..58689842dbacad 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -18586,6 +18586,29 @@ Value *CodeGenFunction::EmitHLSLBuiltinExpr(unsigned BuiltinID, CGM.getHLSLRuntime().getLengthIntrinsic(), ArrayRef<Value *>{X}, nullptr, "hlsl.length"); } + case Builtin::BI__builtin_hlsl_normalize: { + Value *X = EmitScalarExpr(E->getArg(0)); + + assert(E->getArg(0)->getType()->hasFloatingRepresentation() && + "normalize operand must have a float representation"); + + // scalar inputs should expect a scalar return type + if (!E->getArg(0)->getType()->isVectorType()) + return Builder.CreateIntrinsic( + /*ReturnType=*/X->getType()->getScalarType(), + CGM.getHLSLRuntime().getNormalizeIntrinsic(), ArrayRef<Value *>{X}, + nullptr, "hlsl.normalize"); + + // construct a vector return type for vector inputs + auto *XVecTy = E->getArg(0)->getType()->getAs<VectorType>(); + llvm::Type *retType = X->getType()->getScalarType(); + retType = llvm::VectorType::get( + retType, ElementCount::getFixed(XVecTy->getNumElements())); + + return Builder.CreateIntrinsic( + /*ReturnType=*/retType, CGM.getHLSLRuntime().getNormalizeIntrinsic(), + ArrayRef<Value *>{X}, nullptr, "hlsl.normalize"); + } case Builtin::BI__builtin_hlsl_elementwise_frac: { Value *Op0 = EmitScalarExpr(E->getArg(0)); if (!E->getArg(0)->getType()->hasFloatingRepresentation()) diff --git a/clang/lib/CodeGen/CGHLSLRuntime.h b/clang/lib/CodeGen/CGHLSLRuntime.h index 527e73a0e21fc4..80ca432f4b509c 100644 --- a/clang/lib/CodeGen/CGHLSLRuntime.h +++ b/clang/lib/CodeGen/CGHLSLRuntime.h @@ -77,6 +77,7 @@ class CGHLSLRuntime { GENERATE_HLSL_INTRINSIC_FUNCTION(Frac, frac) GENERATE_HLSL_INTRINSIC_FUNCTION(Length, length) GENERATE_HLSL_INTRINSIC_FUNCTION(Lerp, lerp) + GENERATE_HLSL_INTRINSIC_FUNCTION(Normalize, normalize) GENERATE_HLSL_INTRINSIC_FUNCTION(Rsqrt, rsqrt) GENERATE_HLSL_INTRINSIC_FUNCTION(ThreadId, thread_id) diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h index e35a5262f92809..678cdc77f8a71b 100644 --- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h +++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h @@ -1352,6 +1352,38 @@ double3 min(double3, double3); _HLSL_BUILTIN_ALIAS(__builtin_elementwise_min) double4 min(double4, double4); +//===----------------------------------------------------------------------===// +// normalize builtins +//===----------------------------------------------------------------------===// + +/// \fn T normalize(T x) +/// \brief Returns the normalized unit vector of the specified floating-point +/// vector. \param x [in] The vector of floats. +/// +/// Normalize is based on the following formula: x / length(x). + +_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2) +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +half normalize(half); +_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2) +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +half2 normalize(half2); +_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2) +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +half3 normalize(half3); +_HLSL_16BIT_AVAILABILITY(shadermodel, 6.2) +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +half4 normalize(half4); + +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +float normalize(float); +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +float2 normalize(float2); +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +float3 normalize(float3); +_HLSL_BUILTIN_ALIAS(__builtin_hlsl_normalize) +float4 normalize(float4); + //===----------------------------------------------------------------------===// // pow builtins //===----------------------------------------------------------------------===// diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp index a9c0c57e88221d..61f68a415a7d6c 100644 --- a/clang/lib/Sema/SemaHLSL.cpp +++ b/clang/lib/Sema/SemaHLSL.cpp @@ -1108,6 +1108,18 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) { return true; break; } + case Builtin::BI__builtin_hlsl_normalize: { + if (CheckFloatOrHalfRepresentations(&SemaRef, TheCall)) + return true; + if (SemaRef.checkArgCount(TheCall, 1)) + return true; + + ExprResult A = TheCall->getArg(0); + QualType ArgTyA = A.get()->getType(); + + TheCall->setType(ArgTyA); + break; + } // Note these are llvm builtins that we want to catch invalid intrinsic // generation. Normal handling of these builitns will occur elsewhere. case Builtin::BI__builtin_elementwise_bitreverse: { diff --git a/clang/test/CodeGenHLSL/builtins/normalize.hlsl b/clang/test/CodeGenHLSL/builtins/normalize.hlsl new file mode 100644 index 00000000000000..f46a35866f45d9 --- /dev/null +++ b/clang/test/CodeGenHLSL/builtins/normalize.hlsl @@ -0,0 +1,73 @@ +// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple \ +// RUN: dxil-pc-shadermodel6.3-library %s -fnative-half-type \ +// RUN: -emit-llvm -disable-llvm-passes -o - | FileCheck %s \ +// RUN: --check-prefixes=CHECK,NATIVE_HALF +// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple \ +// RUN: dxil-pc-shadermodel6.3-library %s -emit-llvm -disable-llvm-passes \ +// RUN: -o - | FileCheck %s --check-prefixes=CHECK,NO_HALF + +// NATIVE_HALF: define noundef half @ +// NATIVE_HALF: call half @llvm.dx.normalize.f16(half +// NO_HALF: call float @llvm.dx.normalize.f32(float +// NATIVE_HALF: ret half +// NO_HALF: ret float +half test_normalize_half(half p0) +{ + return normalize(p0); +} +// NATIVE_HALF: define noundef <2 x half> @ +// NATIVE_HALF: %hlsl.normalize = call <2 x half> @llvm.dx.normalize.v2f16 +// NO_HALF: %hlsl.normalize = call <2 x float> @llvm.dx.normalize.v2f32( +// NATIVE_HALF: ret <2 x half> %hlsl.normalize +// NO_HALF: ret <2 x float> %hlsl.normalize +half2 test_normalize_half2(half2 p0) +{ + return normalize(p0); +} +// NATIVE_HALF: define noundef <3 x half> @ +// NATIVE_HALF: %hlsl.normalize = call <3 x half> @llvm.dx.normalize.v3f16 +// NO_HALF: %hlsl.normalize = call <3 x float> @llvm.dx.normalize.v3f32( +// NATIVE_HALF: ret <3 x half> %hlsl.normalize +// NO_HALF: ret <3 x float> %hlsl.normalize +half3 test_normalize_half3(half3 p0) +{ + return normalize(p0); +} +// NATIVE_HALF: define noundef <4 x half> @ +// NATIVE_HALF: %hlsl.normalize = call <4 x half> @llvm.dx.normalize.v4f16 +// NO_HALF: %hlsl.normalize = call <4 x float> @llvm.dx.normalize.v4f32( +// NATIVE_HALF: ret <4 x half> %hlsl.normalize +// NO_HALF: ret <4 x float> %hlsl.normalize +half4 test_normalize_half4(half4 p0) +{ + return normalize(p0); +} + +// CHECK: define noundef float @ +// CHECK: call float @llvm.dx.normalize.f32(float +// CHECK: ret float +float test_normalize_float(float p0) +{ + return normalize(p0); +} +// CHECK: define noundef <2 x float> @ +// CHECK: %hlsl.normalize = call <2 x float> @llvm.dx.normalize.v2f32( +// CHECK: ret <2 x float> %hlsl.normalize +float2 test_normalize_float2(float2 p0) +{ + return normalize(p0); +} +// CHECK: define noundef <3 x float> @ +// CHECK: %hlsl.normalize = call <3 x float> @llvm.dx.normalize.v3f32( +// CHECK: ret <3 x float> %hlsl.normalize +float3 test_normalize_float3(float3 p0) +{ + return normalize(p0); +} +// CHECK: define noundef <4 x float> @ +// CHECK: %hlsl.normalize = call <4 x float> @llvm.dx.normalize.v4f32( +// CHECK: ret <4 x float> %hlsl.normalize +float4 test_length_float4(float4 p0) +{ + return normalize(p0); +} \ No newline at end of file diff --git a/clang/test/SemaHLSL/BuiltIns/normalize-errors.hlsl b/clang/test/SemaHLSL/BuiltIns/normalize-errors.hlsl new file mode 100644 index 00000000000000..b348297d37eb1c --- /dev/null +++ b/clang/test/SemaHLSL/BuiltIns/normalize-errors.hlsl @@ -0,0 +1,31 @@ +// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -verify -verify-ignore-unexpected + +void test_too_few_arg() +{ + return __builtin_hlsl_normalize(); + // expected-error@-1 {{too few arguments to function call, expected 1, have 0}} +} + +void test_too_many_arg(float2 p0) +{ + return __builtin_hlsl_normalize(p0, p0); + // expected-error@-1 {{too many arguments to function call, expected 1, have 2}} +} + +bool builtin_bool_to_float_type_promotion(bool p1) +{ + return __builtin_hlsl_normalize(p1); + // expected-error@-1 {passing 'bool' to parameter of incompatible type 'float'}} +} + +bool builtin_normalize_int_to_float_promotion(int p1) +{ + return __builtin_hlsl_normalize(p1); + // expected-error@-1 {{passing 'int' to parameter of incompatible type 'float'}} +} + +bool2 builtin_normalize_int2_to_float2_promotion(int2 p1) +{ + return __builtin_hlsl_normalize(p1); + // expected-error@-1 {{passing 'int2' (aka 'vector<int, 2>') to parameter of incompatible type '__attribute__((__vector_size__(2 * sizeof(float)))) float' (vector of 2 'float' values)}} +} \ No newline at end of file diff --git a/llvm/include/llvm/IR/IntrinsicsDirectX.td b/llvm/include/llvm/IR/IntrinsicsDirectX.td index 312c3862f240d8..904801e6e9e95f 100644 --- a/llvm/include/llvm/IR/IntrinsicsDirectX.td +++ b/llvm/include/llvm/IR/IntrinsicsDirectX.td @@ -58,6 +58,7 @@ def int_dx_lerp : Intrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty, LLVMMatchType def int_dx_length : DefaultAttrsIntrinsic<[LLVMVectorElementType<0>], [llvm_anyfloat_ty]>; def int_dx_imad : DefaultAttrsIntrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>]>; def int_dx_umad : DefaultAttrsIntrinsic<[llvm_anyint_ty], [LLVMMatchType<0>, LLVMMatchType<0>, LLVMMatchType<0>]>; +def int_dx_normalize : DefaultAttrsIntrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty]>; def int_dx_rcp : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; def int_dx_rsqrt : DefaultAttrsIntrinsic<[llvm_anyfloat_ty], [LLVMMatchType<0>]>; } diff --git a/llvm/include/llvm/IR/IntrinsicsSPIRV.td b/llvm/include/llvm/IR/IntrinsicsSPIRV.td index 3f77ef6bfcdbe2..1b5e463822749e 100644 --- a/llvm/include/llvm/IR/IntrinsicsSPIRV.td +++ b/llvm/include/llvm/IR/IntrinsicsSPIRV.td @@ -64,5 +64,6 @@ let TargetPrefix = "spv" in { def int_spv_lerp : Intrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty, LLVMMatchType<0>,LLVMMatchType<0>], [IntrNoMem, IntrWillReturn] >; def int_spv_length : DefaultAttrsIntrinsic<[LLVMVectorElementType<0>], [llvm_anyfloat_ty]>; + def int_spv_normalize : DefaultAttrsIntrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty]>; def int_spv_rsqrt : DefaultAttrsIntrinsic<[LLVMMatchType<0>], [llvm_anyfloat_ty]>; } diff --git a/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp b/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp index ac85859af8a53e..e80166e0ff0569 100644 --- a/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp +++ b/llvm/lib/Target/DirectX/DXILIntrinsicExpansion.cpp @@ -43,6 +43,7 @@ static bool isIntrinsicExpansion(Function &F) { case Intrinsic::dx_uclamp: case Intrinsic::dx_lerp: case Intrinsic::dx_length: + case Intrinsic::dx_normalize: case Intrinsic::dx_sdot: case Intrinsic::dx_udot: return true; @@ -229,6 +230,75 @@ static bool expandLog10Intrinsic(CallInst *Orig) { return expandLogIntrinsic(Orig, numbers::ln2f / numbers::ln10f); } +static bool expandNormalizeIntrinsic(CallInst *Orig) { + Value *X = Orig->getOperand(0); + Type *Ty = Orig->getType(); + Type *EltTy = Ty->getScalarType(); + IRBuilder<> Builder(Orig->getParent()); + Builder.SetInsertPoint(Orig); + + auto *XVec = dyn_cast<FixedVectorType>(Ty); + if (!XVec) { + if (auto *constantFP = dyn_cast<ConstantFP>(X)) { + const APFloat &fpVal = constantFP->getValueAPF(); + if (fpVal.isZero()) + report_fatal_error(Twine("Invalid input scalar: length is zero"), + /* gen_crash_diag=*/false); + } + Value *Result = Builder.CreateFDiv(X, X); + + Orig->replaceAllUsesWith(Result); + Orig->eraseFromParent(); + return true; + } + + Value *Elt = Builder.CreateExtractElement(X, (uint64_t)0); + unsigned XVecSize = XVec->getNumElements(); + Value *DotProduct = nullptr; + switch (XVecSize) { + case 1: + report_fatal_error(Twine("Invalid input vector: length is zero"), + /* gen_crash_diag=*/false); + break; + case 2: + DotProduct = Builder.CreateIntrinsic( + EltTy, Intrinsic::dx_dot2, ArrayRef<Value *>{X, X}, nullptr, "dx.dot2"); + break; + case 3: + DotProduct = Builder.CreateIntrinsic( + EltTy, Intrinsic::dx_dot3, ArrayRef<Value *>{X, X}, nullptr, "dx.dot3"); + break; + case 4: + DotProduct = Builder.CreateIntrinsic( + EltTy, Intrinsic::dx_dot4, ArrayRef<Value *>{X, X}, nullptr, "dx.dot4"); + break; + default: + report_fatal_error(Twine("Invalid input vector: vector size is invalid."), + /* gen_crash_diag=*/false); + } + + Value *Multiplicand = Builder.CreateIntrinsic(EltTy, Intrinsic::dx_rsqrt, + ArrayRef<Value *>{DotProduct}, + nullptr, "dx.rsqrt"); + + // verify that the length is non-zero + // (if the reciprocal sqrt of the length is non-zero, then the length is + // non-zero) + if (auto *constantFP = dyn_cast<ConstantFP>(Multiplicand)) { + const APFloat &fpVal = constantFP->getValueAPF(); + if (fpVal.isZero()) + report_fatal_error(Twine("Invalid input vector: length is zero"), + /* gen_crash_diag=*/false); + } + + Value *MultiplicandVec = Builder.CreateVectorSplat(XVecSize, Multiplicand); + Value *Result = Builder.CreateFMul(X, MultiplicandVec); + + Orig->replaceAllUsesWith(Result); + Orig->eraseFromParent(); + return true; +} + static bool expandPowIntrinsic(CallInst *Orig) { Value *X = Orig->getOperand(0); @@ -314,6 +384,8 @@ static bool expandIntrinsic(Function &F, CallInst *Orig) { return expandLerpIntrinsic(Orig); case Intrinsic::dx_length: return expandLengthIntrinsic(Orig); + case Intrinsic::dx_normalize: + return expandNormalizeIntrinsic(Orig); case Intrinsic::dx_sdot: case Intrinsic::dx_udot: return expandIntegerDot(Orig, F.getIntrinsicID()); diff --git a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp index ed786bd33aa05b..6e27b6c12f8335 100644 --- a/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp +++ b/llvm/lib/Target/SPIRV/SPIRVInstructionSelector.cpp @@ -238,6 +238,9 @@ class SPIRVInstructionSelector : public InstructionSelector { bool selectLog10(Register ResVReg, const SPIRVType *ResType, MachineInstr &I) const; + bool selectNormalize(Register ResVReg, const SPIRVType *ResType, + MachineInstr &I) const; + bool selectSpvThreadId(Register ResVReg, const SPIRVType *ResType, MachineInstr &I) const; @@ -1349,6 +1352,23 @@ bool SPIRVInstructionSelector::selectFrac(Register ResVReg, .constrainAllUses(TII, TRI, RBI); } +bool SPIRVInstructionSelector::selectNormalize(Register ResVReg, + const SPIRVType *ResType, + MachineInstr &I) const { + + assert(I.getNumOperands() == 3); + assert(I.getOperand(2).isReg()); + MachineBasicBlock &BB = *I.getParent(); + + return BuildMI(BB, I, I.getDebugLoc(), TII.get(SPIRV::OpExtInst)) + .addDef(ResVReg) + .addUse(GR.getSPIRVTypeID(ResType)) + .addImm(static_cast<uint32_t>(SPIRV::InstructionSet::GLSL_std_450)) + .addImm(GL::Normalize) + .addUse(I.getOperand(2).getReg()) + .constrainAllUses(TII, TRI, RBI); +} + bool SPIRVInstructionSelector::selectRsqrt(Register ResVReg, const SPIRVType *ResType, MachineInstr &I) const { @@ -2080,6 +2100,8 @@ bool SPIRVInstructionSelector::selectIntrinsic(Register ResVReg, return selectFmix(ResVReg, ResType, I); case Intrinsic::spv_frac: return selectFrac(ResVReg, ResType, I); + case Intrinsic::spv_normalize: + return selectNormalize(ResVReg, ResType, I); case Intrinsic::spv_rsqrt: return selectRsqrt(ResVReg, ResType, I); case Intrinsic::spv_lifetime_start: diff --git a/llvm/test/CodeGen/DirectX/normalize.ll b/llvm/test/CodeGen/DirectX/normalize.ll new file mode 100644 index 00000000000000..8b4a6692e8725f --- /dev/null +++ b/llvm/test/CodeGen/DirectX/normalize.ll @@ -0,0 +1,118 @@ +; RUN: opt -S -dxil-intrinsic-expansion < %s | FileCheck %s --check-prefixes=CHECK,EXPCHECK +; RUN: opt -S -dxil-op-lower -mtriple=dxil-pc-shadermodel6.3-library < %s | FileCheck %s --check-prefixes=CHECK,DOPCHECK + +; Make sure dxil operation function calls for normalize are generated for half/float. + +declare half @llvm.dx.normalize.f16(half) +declare <2 x half> @llvm.dx.normalize.v2f16(<2 x half>) +declare <3 x half> @llvm.dx.normalize.v3f16(<3 x half>) +declare <4 x half> @llvm.dx.normalize.v4f16(<4 x half>) + +declare float @llvm.dx.normalize.f32(float) +declare <2 x float> @llvm.dx.normalize.v2f32(<2 x float>) +declare <3 x float> @llvm.dx.normalize.v3f32(<3 x float>) +declare <4 x float> @llvm.dx.normalize.v4f32(<4 x float>) + +define noundef half @test_normalize_half(half noundef %p0) { +entry: + ; CHECK: fdiv half %p0, %p0 + %hlsl.normalize = call half @llvm.dx.normalize.f16(half %p0) + ret half %hlsl.normalize +} + +define noundef <2 x half> @test_normalize_half2(<2 x half> noundef %p0) { +entry: + ; CHECK: extractelement <2 x half> %{{.*}}, i64 0 + ; EXPCHECK: call half @llvm.dx.dot2.v2f16(<2 x half> %{{.*}}, <2 x half> %{{.*}}) + ; DOPCHECK: call half @dx.op.dot2.f16(i32 54, half %{{.*}}, half %{{.*}}, half %{{.*}}, half %{{.*}}) + ; EXPCHECK: call half @llvm.dx.rsqrt.f16(half %{{.*}}) + ; DOPCHECK: call half @dx.op.unary.f16(i32 25, half %{{.*}}) + ; CHECK: insertelement <2 x half> poison, half %{{.*}}, i64 0 + ; CHECK: shufflevector <2 x half> %{{.*}}, <2 x half> poison, <2 x i32> zeroinitializer + ; CHECK: fmul <2 x half> %{{.*}}, %{{.*}} + + %hlsl.normalize = call <2 x half> @llvm.dx.normalize.v2f16(<2 x half> %p0) + ret <2 x half> %hlsl.normalize +} + +define noundef <3 x half> @test_normalize_half3(<3 x half> noundef %p0) { +entry: + ; CHECK: extractelement <3 x half> %{{.*}}, i64 0 + ; EXPCHECK: call half @llvm.dx.dot3.v3f16(<3 x half> %{{.*}}, <3 x half> %{{.*}}) + ; DOPCHECK: call half @dx.op.dot3.f16(i32 55, half %{{.*}}, half %{{.*}}, half %{{.*}}, half %{{.*}}) + ; EXPCHECK: call half @llvm.dx.rsqrt.f16(half %{{.*}}) + ; DOPCHECK: call half @dx.op.unary.f16(i32 25, half %{{.*}}) + ; CHECK: insertelement <3 x half> poison, half %{{.*}}, i64 0 + ; CHECK: shufflevector <3 x half> %{{.*}}, <3 x half> poison, <3 x i32> zeroinitializer + ; CHECK: fmul <3 x half> %{{.*}}, %{{.*}} + + %hlsl.normalize = call <3 x half> @llvm.dx.normalize.v3f16(<3 x half> %p0) + ret <3 x half> %hlsl.normalize +} + +define noundef <4 x half> @test_normalize_half4(<4 x half> noundef %p0) { +entry: + ; CHECK: extractelement <4 x half> %{{.*}}, i64 0 + ; EXPCHECK: call half @llvm.dx.dot4.v4f16(<4 x half> %{{.*}}, <4 x half> %{{.*}}) + ; DOPCHECK: call half @dx.op.dot4.f16(i32 56, half %{{.*}}, half %{{.*}}, half %{{.*}}, half %{{.*}}) + ; EXPCHECK: call half @llvm.dx.rsqrt.f16(half %{{.*}}) + ; DOPCHECK: call half @dx.op.unary.f16(i32 25, half %{{.*}}) + ; CHECK: insertelement <4 x half> poison, half %{{.*}}, i64 0 + ; CHECK:... [truncated] `````````` </details> https://github.com/llvm/llvm-project/pull/102683 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
