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1// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -emit-llvm -o - %s | FileCheck %s2 3// CHECK: !dx.rootsignatures = !{![[#EMPTY_ENTRY:]], ![[#DT_ENTRY:]],4// CHECK-SAME: ![[#RF_ENTRY:]], ![[#RC_ENTRY:]], ![[#RD_ENTRY:]], ![[#SS_ENTRY:]]}5 6// CHECK: ![[#EMPTY_ENTRY]] = !{ptr @EmptyEntry, ![[#EMPTY:]], i32 2}7// CHECK: ![[#EMPTY]] = !{}8 9[shader("compute"), RootSignature("")]10[numthreads(1,1,1)]11void EmptyEntry() {}12 13// CHECK: ![[#DT_ENTRY]] = !{ptr @DescriptorTableEntry, ![[#DT_RS:]], i32 2}14// CHECK: ![[#DT_RS]] = !{![[#TABLE:]]}15// CHECK: ![[#TABLE]] = !{!"DescriptorTable", i32 0, ![[#CBV:]], ![[#SRV:]]}16// CHECK: ![[#CBV]] = !{!"CBV", i32 1, i32 0, i32 0, i32 -1, i32 4}17// CHECK: ![[#SRV]] = !{!"SRV", i32 4, i32 42, i32 3, i32 32, i32 0}18 19#define SampleDescriptorTable \20 "DescriptorTable( " \21 " CBV(b0), " \22 " SRV(t42, space = 3, offset = 32, numDescriptors = 4, flags = 0) " \23 ")"24[shader("compute"), RootSignature(SampleDescriptorTable)]25[numthreads(1,1,1)]26void DescriptorTableEntry() {}27 28// CHECK: ![[#RF_ENTRY]] = !{ptr @RootFlagsEntry, ![[#RF_RS:]], i32 2}29// CHECK: ![[#RF_RS]] = !{![[#ROOT_FLAGS:]]}30// CHECK: ![[#ROOT_FLAGS]] = !{!"RootFlags", i32 2114}31 32#define SampleRootFlags \33 "RootFlags( " \34 " Deny_Vertex_Shader_Root_Access | Allow_Stream_Output | " \35 " sampler_heap_directly_indexed " \36 ")"37[shader("compute"), RootSignature(SampleRootFlags)]38[numthreads(1,1,1)]39void RootFlagsEntry() {}40 41// CHECK: ![[#RC_ENTRY]] = !{ptr @RootConstantsEntry, ![[#RC_RS:]], i32 2}42// CHECK: ![[#RC_RS]] = !{![[#ROOT_CONSTANTS:]]}43// CHECK: ![[#ROOT_CONSTANTS]] = !{!"RootConstants", i32 5, i32 1, i32 2, i32 1}44 45#define SampleRootConstants \46 "RootConstants(" \47 " space = 2, " \48 " visibility = Shader_Visibility_Pixel, " \49 " b1, num32BitConstants = 1 " \50 ")"51[shader("compute"), RootSignature(SampleRootConstants)]52[numthreads(1,1,1)]53void RootConstantsEntry() {}54 55// CHECK: ![[#RD_ENTRY]] = !{ptr @RootDescriptorsEntry, ![[#RD_RS:]], i32 2}56// CHECK: ![[#RD_RS]] = !{![[#ROOT_CBV:]], ![[#ROOT_UAV:]], ![[#ROOT_SRV:]]}57// CHECK: ![[#ROOT_CBV]] = !{!"RootCBV", i32 0, i32 0, i32 0, i32 4}58// CHECK: ![[#ROOT_UAV]] = !{!"RootUAV", i32 0, i32 42, i32 3, i32 2}59// CHECK: ![[#ROOT_SRV]] = !{!"RootSRV", i32 4, i32 0, i32 0, i32 2}60 61#define SampleRootDescriptors \62 "CBV(b0), " \63 "UAV(space = 3, u42), " \64 "SRV(t0, visibility = Shader_Visibility_Geometry, flags = Data_Volatile)"65[shader("compute"), RootSignature(SampleRootDescriptors)]66[numthreads(1,1,1)]67void RootDescriptorsEntry() {}68 69// CHECK: ![[#SS_ENTRY]] = !{ptr @StaticSamplerEntry, ![[#SS_RS:]], i32 2}70// CHECK: ![[#SS_RS]] = !{![[#STATIC_SAMPLER:]]}71 72// checking filter = 0x473// CHECK: ![[#STATIC_SAMPLER]] = !{!"StaticSampler", i32 4,74 75// checking texture address[U|V|W]76// CHECK-SAME: i32 2, i32 3, i32 5,77 78// checking mipLODBias, maxAnisotropy, comparisonFunc, borderColor79// note: the hex value is the float bit representation of 12.4580// CHECK-SAME: float 0x4028E66660000000, i32 9, i32 3, i32 2,81 82// checking minLOD, maxLOD83// CHECK-SAME: float -1.280000e+02, float 1.280000e+02,84 85// checking register, space, visibility and flag86// CHECK-SAME: i32 42, i32 0, i32 0, i32 1}87 88#define SampleStaticSampler \89 "StaticSampler(s42, " \90 " filter = FILTER_MIN_POINT_MAG_LINEAR_MIP_POINT, " \91 " addressU = TEXTURE_ADDRESS_MIRROR, " \92 " addressV = TEXTURE_ADDRESS_CLAMP, " \93 " addressW = TEXTURE_ADDRESS_MIRRORONCE, " \94 " mipLODBias = 12.45f, maxAnisotropy = 9, " \95 " comparisonFunc = COMPARISON_EQUAL, " \96 " borderColor = STATIC_BORDER_COLOR_OPAQUE_WHITE, " \97 " minLOD = -128.f, maxLOD = 128.f, " \98 " space = 0, visibility = SHADER_VISIBILITY_ALL, " \99 " flags = UINT_BORDER_COLOR" \100 ")"101[shader("compute"), RootSignature(SampleStaticSampler)]102[numthreads(1,1,1)]103void StaticSamplerEntry() {}104 105// Sanity test to ensure no root is added for this function as there is only106// two entries in !dx.roosignatures107[shader("compute")]108[numthreads(1,1,1)]109void NoRSEntry() {}110