https://github.com/joaosaffran updated
https://github.com/llvm/llvm-project/pull/146785
>From 76d633d2b2b70ae6eaa1e7c40ef09e5f6ef9ae74 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 26 Jun 2025 19:28:01 +0000
Subject: [PATCH 1/5] refactoring
---
.../lib/Target/DirectX/DXContainerGlobals.cpp | 9 ++--
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 12 ++---
llvm/lib/Target/DirectX/DXILRootSignature.h | 45 ++++++++++++++-----
3 files changed, 44 insertions(+), 22 deletions(-)
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index 9c38901f6821f..fa27c4665cfbe 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -160,18 +160,17 @@ void DXContainerGlobals::addRootSignature(Module &M,
assert(MMI.EntryPropertyVec.size() == 1);
- auto &RSA = getAnalysis<RootSignatureAnalysisWrapper>();
+ auto &RSA = getAnalysis<RootSignatureAnalysisWrapper>().getRSInfo();
const Function *EntryFunction = MMI.EntryPropertyVec[0].Entry;
- const auto &FuncRs = RSA.find(EntryFunction);
+ const auto &RS = RSA.getDescForFunction(EntryFunction);
- if (FuncRs == RSA.end())
+ if (!RS )
return;
- const RootSignatureDesc &RS = FuncRs->second;
SmallString<256> Data;
raw_svector_ostream OS(Data);
- RS.write(OS);
+ RS->write(OS);
Constant *Constant =
ConstantDataArray::getString(M.getContext(), Data, /*AddNull*/ false);
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
index 29e78fcce5262..4094df160ef6f 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -554,9 +554,9 @@ analyzeModule(Module &M) {
AnalysisKey RootSignatureAnalysis::Key;
-SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>
-RootSignatureAnalysis::run(Module &M, ModuleAnalysisManager &AM) {
- return analyzeModule(M);
+RootSignatureBindingInfo RootSignatureAnalysis::run(Module &M,
+ ModuleAnalysisManager &AM)
{
+ return RootSignatureBindingInfo(analyzeModule(M));
}
//===----------------------------------------------------------------------===//
@@ -564,8 +564,7 @@ RootSignatureAnalysis::run(Module &M, ModuleAnalysisManager
&AM) {
PreservedAnalyses RootSignatureAnalysisPrinter::run(Module &M,
ModuleAnalysisManager &AM)
{
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> &RSDMap =
- AM.getResult<RootSignatureAnalysis>(M);
+ RootSignatureBindingInfo &RSDMap = AM.getResult<RootSignatureAnalysis>(M);
OS << "Root Signature Definitions"
<< "\n";
@@ -636,7 +635,8 @@ PreservedAnalyses RootSignatureAnalysisPrinter::run(Module
&M,
//===----------------------------------------------------------------------===//
bool RootSignatureAnalysisWrapper::runOnModule(Module &M) {
- FuncToRsMap = analyzeModule(M);
+ FuncToRsMap = std::make_unique<RootSignatureBindingInfo>(
+ RootSignatureBindingInfo(analyzeModule(M)));
return false;
}
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index b45cebc15fd39..fef933811f840 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -33,16 +33,43 @@ enum class RootSignatureElementKind {
CBV = 5,
DescriptorTable = 6,
};
+
+class RootSignatureBindingInfo {
+ private:
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
+
+ public:
+ using iterator =
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
+
+ RootSignatureBindingInfo () = default;
+ RootSignatureBindingInfo(SmallDenseMap<const Function *,
mcdxbc::RootSignatureDesc> Map) : FuncToRsMap(Map) {};
+
+ iterator find(const Function *F) { return FuncToRsMap.find(F); }
+
+ iterator end() { return FuncToRsMap.end(); }
+
+ std::optional<mcdxbc::RootSignatureDesc> getDescForFunction(const Function*
F) {
+ const auto FuncRs = find(F);
+ if (FuncRs == end())
+ return std::nullopt;
+
+ return FuncRs->second;
+ }
+
+};
+
class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
friend AnalysisInfoMixin<RootSignatureAnalysis>;
static AnalysisKey Key;
public:
- RootSignatureAnalysis() = default;
- using Result = SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>;
+RootSignatureAnalysis() = default;
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>
+ using Result = RootSignatureBindingInfo;
+
+ RootSignatureBindingInfo
run(Module &M, ModuleAnalysisManager &AM);
};
@@ -52,20 +79,16 @@ class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
/// passes which run through the legacy pass manager.
class RootSignatureAnalysisWrapper : public ModulePass {
private:
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
+ std::unique_ptr<RootSignatureBindingInfo> FuncToRsMap;
public:
static char ID;
+ using Result = RootSignatureBindingInfo;
RootSignatureAnalysisWrapper() : ModulePass(ID) {}
- using iterator =
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
-
- iterator find(const Function *F) { return FuncToRsMap.find(F); }
-
- iterator end() { return FuncToRsMap.end(); }
-
+ RootSignatureBindingInfo& getRSInfo() {return *FuncToRsMap;}
+
bool runOnModule(Module &M) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
>From 75d070360b11589a9a71e5711e3e807943f3b8f3 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 26 Jun 2025 21:37:11 +0000
Subject: [PATCH 2/5] init refactoring
---
.../SemaHLSL/RootSignature-Validation.hlsl | 42 +++++++++++++++++
.../lib/Target/DirectX/DXContainerGlobals.cpp | 2 +-
.../DXILPostOptimizationValidation.cpp | 47 +++++++++++++++++--
llvm/lib/Target/DirectX/DXILRootSignature.h | 30 ++++++------
4 files changed, 102 insertions(+), 19 deletions(-)
create mode 100644 clang/test/SemaHLSL/RootSignature-Validation.hlsl
diff --git a/clang/test/SemaHLSL/RootSignature-Validation.hlsl
b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
new file mode 100644
index 0000000000000..8a4a97f87cb65
--- /dev/null
+++ b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
@@ -0,0 +1,42 @@
+// RUN: %clang_dxc -triple dxil-pc-shadermodel6.3-library -x hlsl -o - %s
-verify
+
+#define ROOT_SIGNATURE \
+ "RootFlags(ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT), " \
+ "CBV(b0, visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(SRV(t0, numDescriptors=3),
visibility=SHADER_VISIBILITY_PIXEL), " \
+ "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_PIXEL), " \
+ "DescriptorTable(UAV(u0, numDescriptors=1),
visibility=SHADER_VISIBILITY_ALL)"
+
+cbuffer CB : register(b3, space2) {
+ float a;
+}
+
+StructuredBuffer<int> In : register(t0);
+RWStructuredBuffer<int> Out : register(u0);
+
+RWBuffer<float> UAV : register(u3);
+
+RWBuffer<float> UAV1 : register(u2), UAV2 : register(u4);
+
+RWBuffer<float> UAV3 : register(space5);
+
+float f : register(c5);
+
+int4 intv : register(c2);
+
+double dar[5] : register(c3);
+
+struct S {
+ int a;
+};
+
+S s : register(c10);
+
+// Compute Shader for UAV testing
+[numthreads(8, 8, 1)]
+[RootSignature(ROOT_SIGNATURE)]
+void CSMain(uint3 id : SV_DispatchThreadID)
+{
+ In[0] = id;
+ Out[0] = In[0];
+}
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index fa27c4665cfbe..6c8ae8eaaea77 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -164,7 +164,7 @@ void DXContainerGlobals::addRootSignature(Module &M,
const Function *EntryFunction = MMI.EntryPropertyVec[0].Entry;
const auto &RS = RSA.getDescForFunction(EntryFunction);
- if (!RS )
+ if (!RS)
return;
SmallString<256> Data;
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
index 398dcbb8d1737..daf53fefe5f17 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
@@ -7,11 +7,14 @@
//===----------------------------------------------------------------------===//
#include "DXILPostOptimizationValidation.h"
+#include "DXILRootSignature.h"
#include "DXILShaderFlags.h"
#include "DirectX.h"
+#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Analysis/DXILMetadataAnalysis.h"
#include "llvm/Analysis/DXILResource.h"
+#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicsDirectX.h"
@@ -85,7 +88,9 @@ static void reportOverlappingBinding(Module &M,
DXILResourceMap &DRM) {
}
static void reportErrors(Module &M, DXILResourceMap &DRM,
- DXILResourceBindingInfo &DRBI) {
+ DXILResourceBindingInfo &DRBI,
+ RootSignatureBindingInfo &RSBI,
+ dxil::ModuleMetadataInfo &MMI) {
if (DRM.hasInvalidCounterDirection())
reportInvalidDirection(M, DRM);
@@ -94,6 +99,30 @@ static void reportErrors(Module &M, DXILResourceMap &DRM,
assert(!DRBI.hasImplicitBinding() && "implicit bindings should be handled in
"
"DXILResourceImplicitBinding pass");
+ // Assuming this is used to validate only the root signature assigned to the
+ // entry function.
+ std::optional<mcdxbc::RootSignatureDesc> RootSigDesc =
+ RSBI.getDescForFunction(MMI.EntryPropertyVec[0].Entry);
+ if (!RootSigDesc)
+ return;
+
+ for (const mcdxbc::RootParameterInfo &Info :
+ RootSigDesc->ParametersContainer) {
+ const auto &[Type, Loc] =
+ RootSigDesc->ParametersContainer.getTypeAndLocForParameter(
+ Info.Location);
+ switch (Type) {
+ case llvm::to_underlying(dxbc::RootParameterType::CBV):
+ dxbc::RTS0::v2::RootDescriptor Desc =
+ RootSigDesc->ParametersContainer.getRootDescriptor(Loc);
+
+ llvm::dxil::ResourceInfo::ResourceBinding Binding;
+ Binding.LowerBound = Desc.ShaderRegister;
+ Binding.Space = Desc.RegisterSpace;
+ Binding.Size = 1;
+ break;
+ }
+ }
}
} // namespace
@@ -101,7 +130,10 @@ PreservedAnalyses
DXILPostOptimizationValidation::run(Module &M, ModuleAnalysisManager &MAM) {
DXILResourceMap &DRM = MAM.getResult<DXILResourceAnalysis>(M);
DXILResourceBindingInfo &DRBI =
MAM.getResult<DXILResourceBindingAnalysis>(M);
- reportErrors(M, DRM, DRBI);
+ RootSignatureBindingInfo &RSBI = MAM.getResult<RootSignatureAnalysis>(M);
+ ModuleMetadataInfo &MMI = MAM.getResult<DXILMetadataAnalysis>(M);
+
+ reportErrors(M, DRM, DRBI, RSBI, MMI);
return PreservedAnalyses::all();
}
@@ -113,7 +145,13 @@ class DXILPostOptimizationValidationLegacy : public
ModulePass {
getAnalysis<DXILResourceWrapperPass>().getResourceMap();
DXILResourceBindingInfo &DRBI =
getAnalysis<DXILResourceBindingWrapperPass>().getBindingInfo();
- reportErrors(M, DRM, DRBI);
+
+ RootSignatureBindingInfo &RSBI =
+ getAnalysis<RootSignatureAnalysisWrapper>().getRSInfo();
+ dxil::ModuleMetadataInfo &MMI =
+ getAnalysis<DXILMetadataAnalysisWrapperPass>().getModuleMetadata();
+
+ reportErrors(M, DRM, DRBI, RSBI, MMI);
return false;
}
StringRef getPassName() const override {
@@ -125,10 +163,13 @@ class DXILPostOptimizationValidationLegacy : public
ModulePass {
void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.addRequired<DXILResourceWrapperPass>();
AU.addRequired<DXILResourceBindingWrapperPass>();
+ AU.addRequired<RootSignatureAnalysisWrapper>();
+ AU.addRequired<DXILMetadataAnalysisWrapperPass>();
AU.addPreserved<DXILResourceWrapperPass>();
AU.addPreserved<DXILResourceBindingWrapperPass>();
AU.addPreserved<DXILMetadataAnalysisWrapperPass>();
AU.addPreserved<ShaderFlagsAnalysisWrapper>();
+ AU.addPreserved<RootSignatureAnalysisWrapper>();
}
};
char DXILPostOptimizationValidationLegacy::ID = 0;
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index fef933811f840..c29413d21036c 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -35,28 +35,30 @@ enum class RootSignatureElementKind {
};
class RootSignatureBindingInfo {
- private:
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
+private:
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
- public:
+public:
using iterator =
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
- RootSignatureBindingInfo () = default;
- RootSignatureBindingInfo(SmallDenseMap<const Function *,
mcdxbc::RootSignatureDesc> Map) : FuncToRsMap(Map) {};
+ RootSignatureBindingInfo() = default;
+ RootSignatureBindingInfo(
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> Map)
+ : FuncToRsMap(Map){};
iterator find(const Function *F) { return FuncToRsMap.find(F); }
iterator end() { return FuncToRsMap.end(); }
- std::optional<mcdxbc::RootSignatureDesc> getDescForFunction(const Function*
F) {
+ std::optional<mcdxbc::RootSignatureDesc>
+ getDescForFunction(const Function *F) {
const auto FuncRs = find(F);
if (FuncRs == end())
return std::nullopt;
return FuncRs->second;
}
-
};
class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
@@ -64,13 +66,11 @@ class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
static AnalysisKey Key;
public:
-
-RootSignatureAnalysis() = default;
+ RootSignatureAnalysis() = default;
using Result = RootSignatureBindingInfo;
-
- RootSignatureBindingInfo
- run(Module &M, ModuleAnalysisManager &AM);
+
+ RootSignatureBindingInfo run(Module &M, ModuleAnalysisManager &AM);
};
/// Wrapper pass for the legacy pass manager.
@@ -87,8 +87,8 @@ class RootSignatureAnalysisWrapper : public ModulePass {
RootSignatureAnalysisWrapper() : ModulePass(ID) {}
- RootSignatureBindingInfo& getRSInfo() {return *FuncToRsMap;}
-
+ RootSignatureBindingInfo &getRSInfo() { return *FuncToRsMap; }
+
bool runOnModule(Module &M) override;
void getAnalysisUsage(AnalysisUsage &AU) const override;
>From dd2f7ca9a2b1033e74e90350c6815ae50341a713 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Wed, 2 Jul 2025 17:58:56 +0000
Subject: [PATCH 3/5] adding validation
---
.../SemaHLSL/RootSignature-Validation.hlsl | 28 ++++---------
.../DXILPostOptimizationValidation.cpp | 42 +++++++++++++++----
2 files changed, 43 insertions(+), 27 deletions(-)
diff --git a/clang/test/SemaHLSL/RootSignature-Validation.hlsl
b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
index 8a4a97f87cb65..62ba704b95c7d 100644
--- a/clang/test/SemaHLSL/RootSignature-Validation.hlsl
+++ b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
@@ -1,42 +1,30 @@
-// RUN: %clang_dxc -triple dxil-pc-shadermodel6.3-library -x hlsl -o - %s
-verify
#define ROOT_SIGNATURE \
"RootFlags(ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT), " \
- "CBV(b0, visibility=SHADER_VISIBILITY_ALL), " \
- "DescriptorTable(SRV(t0, numDescriptors=3),
visibility=SHADER_VISIBILITY_PIXEL), " \
- "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_PIXEL), " \
- "DescriptorTable(UAV(u0, numDescriptors=1),
visibility=SHADER_VISIBILITY_ALL)"
+ "CBV(b3, space=1, visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(SRV(t0, space=0, numDescriptors=1),
visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(UAV(u0, numDescriptors=unbounded),
visibility=SHADER_VISIBILITY_ALL)"
cbuffer CB : register(b3, space2) {
float a;
}
-StructuredBuffer<int> In : register(t0);
+StructuredBuffer<int> In : register(t0, space0);
RWStructuredBuffer<int> Out : register(u0);
RWBuffer<float> UAV : register(u3);
RWBuffer<float> UAV1 : register(u2), UAV2 : register(u4);
-RWBuffer<float> UAV3 : register(space5);
+RWBuffer<float> UAV3 : register(space0);
-float f : register(c5);
-int4 intv : register(c2);
-
-double dar[5] : register(c3);
-
-struct S {
- int a;
-};
-
-S s : register(c10);
// Compute Shader for UAV testing
[numthreads(8, 8, 1)]
[RootSignature(ROOT_SIGNATURE)]
-void CSMain(uint3 id : SV_DispatchThreadID)
+void CSMain(uint id : SV_GroupID)
{
- In[0] = id;
- Out[0] = In[0];
+ Out[0] = a + id + In[0] + UAV[0] + UAV1[0] + UAV3[0];
}
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
index daf53fefe5f17..3e542e502c2d5 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
@@ -10,6 +10,7 @@
#include "DXILRootSignature.h"
#include "DXILShaderFlags.h"
#include "DirectX.h"
+#include "llvm/ADT/IntervalMap.h"
#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Analysis/DXILMetadataAnalysis.h"
@@ -86,7 +87,9 @@ static void reportOverlappingBinding(Module &M,
DXILResourceMap &DRM) {
}
}
}
-
+ uint64_t combine_uint32_to_uint64(uint32_t high, uint32_t low) {
+ return (static_cast<uint64_t>(high) << 32) | low;
+ }
static void reportErrors(Module &M, DXILResourceMap &DRM,
DXILResourceBindingInfo &DRBI,
RootSignatureBindingInfo &RSBI,
@@ -101,18 +104,24 @@ static void reportErrors(Module &M, DXILResourceMap &DRM,
"DXILResourceImplicitBinding pass");
// Assuming this is used to validate only the root signature assigned to the
// entry function.
+ //Start test stuff
+ if(MMI.EntryPropertyVec.size() == 0)
+ return;
+
std::optional<mcdxbc::RootSignatureDesc> RootSigDesc =
RSBI.getDescForFunction(MMI.EntryPropertyVec[0].Entry);
if (!RootSigDesc)
return;
- for (const mcdxbc::RootParameterInfo &Info :
- RootSigDesc->ParametersContainer) {
+ using MapT = llvm::IntervalMap<uint64_t,
llvm::dxil::ResourceInfo::ResourceBinding,
sizeof(llvm::dxil::ResourceInfo::ResourceBinding),
llvm::IntervalMapInfo<uint64_t>>;
+ MapT::Allocator Allocator;
+ MapT BindingsMap(Allocator);
+ auto RSD = *RootSigDesc;
+ for (size_t I = 0; I < RSD.ParametersContainer.size(); I++) {
const auto &[Type, Loc] =
- RootSigDesc->ParametersContainer.getTypeAndLocForParameter(
- Info.Location);
+ RootSigDesc->ParametersContainer.getTypeAndLocForParameter(I);
switch (Type) {
- case llvm::to_underlying(dxbc::RootParameterType::CBV):
+ case llvm::to_underlying(dxbc::RootParameterType::CBV):{
dxbc::RTS0::v2::RootDescriptor Desc =
RootSigDesc->ParametersContainer.getRootDescriptor(Loc);
@@ -120,8 +129,27 @@ static void reportErrors(Module &M, DXILResourceMap &DRM,
Binding.LowerBound = Desc.ShaderRegister;
Binding.Space = Desc.RegisterSpace;
Binding.Size = 1;
+
+ BindingsMap.insert(combine_uint32_to_uint64(Binding.Space,
Binding.LowerBound), combine_uint32_to_uint64(Binding.Space, Binding.LowerBound
+ Binding.Size -1), Binding);
break;
}
+ // case llvm::to_underlying(dxbc::RootParameterType::DescriptorTable):{
+ // mcdxbc::DescriptorTable Table =
+ // RootSigDesc->ParametersContainer.getDescriptorTable(Loc);
+ // for (const dxbc::RTS0::v2::DescriptorRange &Range : Table){
+ // Range.
+ // }
+
+ // break;
+ // }
+ }
+
+ }
+
+ for(const auto &CBuf : DRM.cbuffers()) {
+ auto Binding = CBuf.getBinding();
+ if(!BindingsMap.overlaps(combine_uint32_to_uint64(Binding.Space,
Binding.LowerBound), combine_uint32_to_uint64(Binding.Space, Binding.LowerBound
+ Binding.Size -1)))
+ auto X = 1;
}
}
} // namespace
@@ -146,7 +174,7 @@ class DXILPostOptimizationValidationLegacy : public
ModulePass {
DXILResourceBindingInfo &DRBI =
getAnalysis<DXILResourceBindingWrapperPass>().getBindingInfo();
- RootSignatureBindingInfo &RSBI =
+ RootSignatureBindingInfo& RSBI =
getAnalysis<RootSignatureAnalysisWrapper>().getRSInfo();
dxil::ModuleMetadataInfo &MMI =
getAnalysis<DXILMetadataAnalysisWrapperPass>().getModuleMetadata();
>From 545372b87ffa358c410174d6f594def97f833691 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Wed, 2 Jul 2025 21:19:37 +0000
Subject: [PATCH 4/5] clean
---
.../DXILPostOptimizationValidation.cpp | 4 ----
.../DirectX/DXILPostOptimizationValidation.h | 4 ----
llvm/lib/Target/DirectX/DXILRootSignature.h | 24 +++++++++----------
3 files changed, 11 insertions(+), 21 deletions(-)
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
index a239aa2633a9f..b5ea6d8e0257a 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
@@ -9,17 +9,14 @@
#include "DXILPostOptimizationValidation.h"
#include "DXILShaderFlags.h"
#include "DirectX.h"
-#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Analysis/DXILMetadataAnalysis.h"
#include "llvm/Analysis/DXILResource.h"
-#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicsDirectX.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
-#include <optional>
#define DEBUG_TYPE "dxil-post-optimization-validation"
@@ -168,7 +165,6 @@ class DXILPostOptimizationValidationLegacy : public
ModulePass {
getAnalysis<DXILResourceWrapperPass>().getResourceMap();
DXILResourceBindingInfo &DRBI =
getAnalysis<DXILResourceBindingWrapperPass>().getBindingInfo();
-
RootSignatureBindingInfo &RSBI =
getAnalysis<RootSignatureAnalysisWrapper>().getRSInfo();
dxil::ModuleMetadataInfo &MMI =
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
index b254b5e99c8e5..12c9bb2ffbbe6 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
@@ -16,12 +16,8 @@
#include "DXILRootSignature.h"
#include "llvm/ADT/IntervalMap.h"
-#include "llvm/ADT/STLForwardCompat.h"
#include "llvm/Analysis/DXILResource.h"
-#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/IR/PassManager.h"
-#include "llvm/Support/ErrorHandling.h"
-#include <cstdint>
namespace llvm {
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index b84da7b999301..c28873a7fc3df 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -36,30 +36,28 @@ enum class RootSignatureElementKind {
};
class RootSignatureBindingInfo {
-private:
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
+ private:
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
-public:
+ public:
using iterator =
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
- RootSignatureBindingInfo() = default;
- RootSignatureBindingInfo(
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> Map)
- : FuncToRsMap(Map){};
+RootSignatureBindingInfo () = default;
+ RootSignatureBindingInfo(SmallDenseMap<const Function *,
mcdxbc::RootSignatureDesc> Map) : FuncToRsMap(Map) {};
iterator find(const Function *F) { return FuncToRsMap.find(F); }
iterator end() { return FuncToRsMap.end(); }
- std::optional<mcdxbc::RootSignatureDesc>
- getDescForFunction(const Function *F) {
+ std::optional<mcdxbc::RootSignatureDesc> getDescForFunction(const Function
*F) {
const auto FuncRs = find(F);
if (FuncRs == end())
return std::nullopt;
return FuncRs->second;
}
+
};
class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
@@ -67,7 +65,7 @@ class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
static AnalysisKey Key;
public:
- RootSignatureAnalysis() = default;
+RootSignatureAnalysis() = default;
using Result = RootSignatureBindingInfo;
@@ -91,8 +89,8 @@ class RootSignatureAnalysisWrapper : public ModulePass {
using Result = RootSignatureBindingInfo;
RootSignatureAnalysisWrapper() : ModulePass(ID) {}
-
- RootSignatureBindingInfo &getRSInfo() { return *FuncToRsMap; }
+
+ RootSignatureBindingInfo& getRSInfo() {return *FuncToRsMap;}
bool runOnModule(Module &M) override;
>From 07aeb7f6048b60061b58cd6e1cea5ea1b2e5a75a Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Fri, 4 Jul 2025 02:03:26 +0000
Subject: [PATCH 5/5] implementing
---
.../RootSignature-Validation-Fail.hlsl | 35 +++++
.../SemaHLSL/RootSignature-Validation.hlsl | 11 +-
.../DXILPostOptimizationValidation.cpp | 120 +++++++++++++++---
.../DirectX/DXILPostOptimizationValidation.h | 77 +++++------
llvm/lib/Target/DirectX/DXILRootSignature.h | 24 ++--
.../RootSignature-DescriptorTable.ll | 4 +-
6 files changed, 197 insertions(+), 74 deletions(-)
create mode 100644 clang/test/SemaHLSL/RootSignature-Validation-Fail.hlsl
diff --git a/clang/test/SemaHLSL/RootSignature-Validation-Fail.hlsl
b/clang/test/SemaHLSL/RootSignature-Validation-Fail.hlsl
new file mode 100644
index 0000000000000..b590ed67e7085
--- /dev/null
+++ b/clang/test/SemaHLSL/RootSignature-Validation-Fail.hlsl
@@ -0,0 +1,35 @@
+// RUN: not %clang_dxc -T cs_6_6 -E CSMain %s 2>&1 | FileCheck %s
+
+// CHECK: error: register cbuffer (space=665, register=3) is not defined in
Root Signature
+// CHECK: error: register srv (space=0, register=0) is not defined in Root
Signature
+// CHECK: error: register uav (space=0, register=4294967295) is not defined in
Root Signature
+
+
+#define ROOT_SIGNATURE \
+ "CBV(b3, space=666, visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(SRV(t0, space=0, numDescriptors=1),
visibility=SHADER_VISIBILITY_VERTEX), " \
+ "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(UAV(u0, numDescriptors=unbounded),
visibility=SHADER_VISIBILITY_ALL)"
+
+cbuffer CB : register(b3, space665) {
+ float a;
+}
+
+StructuredBuffer<int> In : register(t0, space0);
+RWStructuredBuffer<int> Out : register(u0);
+
+RWBuffer<float> UAV : register(u4294967295);
+
+RWBuffer<float> UAV1 : register(u2), UAV2 : register(u4);
+
+RWBuffer<float> UAV3 : register(space0);
+
+
+
+// Compute Shader for UAV testing
+[numthreads(8, 8, 1)]
+[RootSignature(ROOT_SIGNATURE)]
+void CSMain(uint id : SV_GroupID)
+{
+ Out[0] = a + id + In[0] + UAV[0] + UAV1[0] + UAV3[0];
+}
diff --git a/clang/test/SemaHLSL/RootSignature-Validation.hlsl
b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
index 62ba704b95c7d..5a7f5baf00619 100644
--- a/clang/test/SemaHLSL/RootSignature-Validation.hlsl
+++ b/clang/test/SemaHLSL/RootSignature-Validation.hlsl
@@ -1,19 +1,22 @@
+// RUN: %clang_dxc -T cs_6_6 -E CSMain %s 2>&1
+
+// expected-no-diagnostics
+
#define ROOT_SIGNATURE \
- "RootFlags(ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT), " \
"CBV(b3, space=1, visibility=SHADER_VISIBILITY_ALL), " \
"DescriptorTable(SRV(t0, space=0, numDescriptors=1),
visibility=SHADER_VISIBILITY_ALL), " \
- "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_ALL), " \
+ "DescriptorTable(Sampler(s0, numDescriptors=2),
visibility=SHADER_VISIBILITY_VERTEX), " \
"DescriptorTable(UAV(u0, numDescriptors=unbounded),
visibility=SHADER_VISIBILITY_ALL)"
-cbuffer CB : register(b3, space2) {
+cbuffer CB : register(b3, space1) {
float a;
}
StructuredBuffer<int> In : register(t0, space0);
RWStructuredBuffer<int> Out : register(u0);
-RWBuffer<float> UAV : register(u3);
+RWBuffer<float> UAV : register(u4294967294);
RWBuffer<float> UAV1 : register(u2), UAV2 : register(u4);
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
index b5ea6d8e0257a..82f061cf61ad7 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.cpp
@@ -84,9 +84,42 @@ static void reportOverlappingBinding(Module &M,
DXILResourceMap &DRM) {
}
}
-static void reportRegNotBound(Module &M,
+static void reportRegNotBound(Module &M, Twine Type,
ResourceInfo::ResourceBinding Binding) {
- // TODO
+ SmallString<128> Message;
+ raw_svector_ostream OS(Message);
+ OS << "register " << Type << " (space=" << Binding.Space
+ << ", register=" << Binding.LowerBound << ")"
+ << " is not defined in Root Signature";
+ M.getContext().diagnose(DiagnosticInfoGeneric(Message));
+}
+
+static dxbc::ShaderVisibility
+tripleToVisibility(llvm::Triple::EnvironmentType ET) {
+ assert((ET == Triple::Pixel || ET == Triple::Vertex ||
+ ET == Triple::Geometry || ET == Triple::Hull ||
+ ET == Triple::Domain || ET == Triple::Mesh ||
+ ET == Triple::Compute) &&
+ "Invalid Triple to shader stage conversion");
+
+ switch (ET) {
+ case Triple::Pixel:
+ return dxbc::ShaderVisibility::Pixel;
+ case Triple::Vertex:
+ return dxbc::ShaderVisibility::Vertex;
+ case Triple::Geometry:
+ return dxbc::ShaderVisibility::Geometry;
+ case Triple::Hull:
+ return dxbc::ShaderVisibility::Hull;
+ case Triple::Domain:
+ return dxbc::ShaderVisibility::Domain;
+ case Triple::Mesh:
+ return dxbc::ShaderVisibility::Mesh;
+ case Triple::Compute:
+ return dxbc::ShaderVisibility::All;
+ default:
+ llvm_unreachable("Invalid triple to shader stage conversion");
+ }
}
std::optional<mcdxbc::RootSignatureDesc>
@@ -117,35 +150,92 @@ static void reportErrors(Module &M, DXILResourceMap &DRM,
if (auto RSD = getRootSignature(RSBI, MMI)) {
RootSignatureBindingValidation Validation;
- Validation.addRsBindingInfo(*RSD);
+ Validation.addRsBindingInfo(*RSD, tripleToVisibility(MMI.ShaderProfile));
for (const auto &CBuf : DRM.cbuffers()) {
ResourceInfo::ResourceBinding Binding = CBuf.getBinding();
- if (!Validation.checkCregBinding(Binding.Space, Binding.LowerBound,
- Binding.Space,
- Binding.LowerBound + Binding.Size - 1))
- reportRegNotBound(M, Binding);
+ if (!Validation.checkCregBinding(Binding))
+ reportRegNotBound(M, "cbuffer", Binding);
}
for (const auto &CBuf : DRM.srvs()) {
ResourceInfo::ResourceBinding Binding = CBuf.getBinding();
- if (!Validation.checkTRegBinding(Binding.Space, Binding.LowerBound,
- Binding.Space,
- Binding.LowerBound + Binding.Size - 1))
- reportRegNotBound(M, Binding);
+ if (!Validation.checkTRegBinding(Binding))
+ reportRegNotBound(M, "srv", Binding);
}
for (const auto &CBuf : DRM.uavs()) {
ResourceInfo::ResourceBinding Binding = CBuf.getBinding();
- if (!Validation.checkURegBinding(Binding.Space, Binding.LowerBound,
- Binding.Space,
- Binding.LowerBound + Binding.Size - 1))
- reportRegNotBound(M, Binding);
+ if (!Validation.checkURegBinding(Binding))
+ reportRegNotBound(M, "uav", Binding);
}
}
}
} // namespace
+void RootSignatureBindingValidation::addRsBindingInfo(
+ mcdxbc::RootSignatureDesc &RSD, dxbc::ShaderVisibility Visibility) {
+ for (size_t I = 0; I < RSD.ParametersContainer.size(); I++) {
+ const auto &[Type, Loc] =
+ RSD.ParametersContainer.getTypeAndLocForParameter(I);
+
+ const auto &Header = RSD.ParametersContainer.getHeader(I);
+ switch (Type) {
+ case llvm::to_underlying(dxbc::RootParameterType::SRV):
+ case llvm::to_underlying(dxbc::RootParameterType::UAV):
+ case llvm::to_underlying(dxbc::RootParameterType::CBV): {
+ dxbc::RTS0::v2::RootDescriptor Desc =
+ RSD.ParametersContainer.getRootDescriptor(Loc);
+
+ if (Header.ShaderVisibility ==
+ llvm::to_underlying(dxbc::ShaderVisibility::All) ||
+ Header.ShaderVisibility == llvm::to_underlying(Visibility))
+ addRange(Desc, Type);
+ break;
+ }
+ case llvm::to_underlying(dxbc::RootParameterType::DescriptorTable): {
+ const mcdxbc::DescriptorTable &Table =
+ RSD.ParametersContainer.getDescriptorTable(Loc);
+
+ for (const dxbc::RTS0::v2::DescriptorRange &Range : Table.Ranges) {
+ if (Range.RangeType ==
+ llvm::to_underlying(dxbc::DescriptorRangeType::Sampler))
+ continue;
+
+ if (Header.ShaderVisibility ==
+ llvm::to_underlying(dxbc::ShaderVisibility::All) ||
+ Header.ShaderVisibility == llvm::to_underlying(Visibility))
+ addRange(Range);
+ }
+ break;
+ }
+ }
+ }
+}
+
+bool RootSignatureBindingValidation::checkCregBinding(
+ ResourceInfo::ResourceBinding Binding) {
+ return CRegBindingsMap.overlaps(
+ combineUint32ToUint64(Binding.Space, Binding.LowerBound),
+ combineUint32ToUint64(Binding.Space,
+ Binding.LowerBound + Binding.Size - 1));
+}
+
+bool RootSignatureBindingValidation::checkTRegBinding(
+ ResourceInfo::ResourceBinding Binding) {
+ return TRegBindingsMap.overlaps(
+ combineUint32ToUint64(Binding.Space, Binding.LowerBound),
+ combineUint32ToUint64(Binding.Space, Binding.LowerBound + Binding.Size));
+}
+
+bool RootSignatureBindingValidation::checkURegBinding(
+ ResourceInfo::ResourceBinding Binding) {
+ return URegBindingsMap.overlaps(
+ combineUint32ToUint64(Binding.Space, Binding.LowerBound),
+ combineUint32ToUint64(Binding.Space,
+ Binding.LowerBound + Binding.Size - 1));
+}
+
PreservedAnalyses
DXILPostOptimizationValidation::run(Module &M, ModuleAnalysisManager &MAM) {
DXILResourceMap &DRM = MAM.getResult<DXILResourceAnalysis>(M);
diff --git a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
index 12c9bb2ffbbe6..58113bf9f93c7 100644
--- a/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
+++ b/llvm/lib/Target/DirectX/DXILPostOptimizationValidation.h
@@ -25,7 +25,6 @@ static uint64_t combineUint32ToUint64(uint32_t High, uint32_t
Low) {
return (static_cast<uint64_t>(High) << 32) | Low;
}
-// This should be somewhere else
class RootSignatureBindingValidation {
using MapT =
llvm::IntervalMap<uint64_t, dxil::ResourceInfo::ResourceBinding,
@@ -38,7 +37,7 @@ class RootSignatureBindingValidation {
MapT TRegBindingsMap;
MapT URegBindingsMap;
- void addRange(dxbc::RTS0::v2::RootDescriptor Desc, uint32_t Type) {
+ void addRange(const dxbc::RTS0::v2::RootDescriptor &Desc, uint32_t Type) {
assert((Type == llvm::to_underlying(dxbc::RootParameterType::CBV) ||
Type == llvm::to_underlying(dxbc::RootParameterType::SRV) ||
Type == llvm::to_underlying(dxbc::RootParameterType::UAV)) &&
@@ -58,13 +57,39 @@ class RootSignatureBindingValidation {
case llvm::to_underlying(dxbc::RootParameterType::CBV):
CRegBindingsMap.insert(LowRange, HighRange, Binding);
- break;
+ return;
case llvm::to_underlying(dxbc::RootParameterType::SRV):
TRegBindingsMap.insert(LowRange, HighRange, Binding);
- break;
+ return;
case llvm::to_underlying(dxbc::RootParameterType::UAV):
URegBindingsMap.insert(LowRange, HighRange, Binding);
- break;
+ return;
+ }
+ llvm_unreachable("Invalid Type in add Range Method");
+ }
+
+ void addRange(const dxbc::RTS0::v2::DescriptorRange &Range) {
+
+ llvm::dxil::ResourceInfo::ResourceBinding Binding;
+ Binding.LowerBound = Range.BaseShaderRegister;
+ Binding.Space = Range.RegisterSpace;
+ Binding.Size = Range.NumDescriptors;
+
+ uint64_t LowRange =
+ combineUint32ToUint64(Binding.Space, Binding.LowerBound);
+ uint64_t HighRange = combineUint32ToUint64(
+ Binding.Space, Binding.LowerBound + Binding.Size - 1);
+
+ switch (Range.RangeType) {
+ case llvm::to_underlying(dxbc::DescriptorRangeType::CBV):
+ CRegBindingsMap.insert(LowRange, HighRange, Binding);
+ return;
+ case llvm::to_underlying(dxbc::DescriptorRangeType::SRV):
+ TRegBindingsMap.insert(LowRange, HighRange, Binding);
+ return;
+ case llvm::to_underlying(dxbc::DescriptorRangeType::UAV):
+ URegBindingsMap.insert(LowRange, HighRange, Binding);
+ return;
}
llvm_unreachable("Invalid Type in add Range Method");
}
@@ -74,46 +99,14 @@ class RootSignatureBindingValidation {
: Allocator(), CRegBindingsMap(Allocator), TRegBindingsMap(Allocator),
URegBindingsMap(Allocator) {}
- void addRsBindingInfo(mcdxbc::RootSignatureDesc &RSD) {
- for (size_t I = 0; I < RSD.ParametersContainer.size(); I++) {
- const auto &[Type, Loc] =
- RSD.ParametersContainer.getTypeAndLocForParameter(I);
-
- switch (Type) {
- case llvm::to_underlying(dxbc::RootParameterType::SRV):
- case llvm::to_underlying(dxbc::RootParameterType::UAV):
- case llvm::to_underlying(dxbc::RootParameterType::CBV): {
- dxbc::RTS0::v2::RootDescriptor Desc =
- RSD.ParametersContainer.getRootDescriptor(Loc);
-
- addRange(Desc, Type);
- break;
- }
- case llvm::to_underlying(dxbc::RootParameterType::DescriptorTable): {
- // TODO;
- break;
- }
- }
- }
- }
+ void addRsBindingInfo(mcdxbc::RootSignatureDesc &RSD,
+ dxbc::ShaderVisibility Visibility);
- bool checkCregBinding(uint32_t StartSpace, uint32_t StartReg,
- uint32_t EndSpace, uint32_t EndReg) {
- return CRegBindingsMap.overlaps(combineUint32ToUint64(StartSpace,
StartReg),
- combineUint32ToUint64(EndSpace, EndReg));
- }
+ bool checkCregBinding(dxil::ResourceInfo::ResourceBinding Binding);
- bool checkTRegBinding(uint32_t StartSpace, uint32_t StartReg,
- uint32_t EndSpace, uint32_t EndReg) {
- return TRegBindingsMap.overlaps(combineUint32ToUint64(StartSpace,
StartReg),
- combineUint32ToUint64(EndSpace, EndReg));
- }
+ bool checkTRegBinding(dxil::ResourceInfo::ResourceBinding Binding);
- bool checkURegBinding(uint32_t StartSpace, uint32_t StartReg,
- uint32_t EndSpace, uint32_t EndReg) {
- return URegBindingsMap.overlaps(combineUint32ToUint64(StartSpace,
StartReg),
- combineUint32ToUint64(EndSpace, EndReg));
- }
+ bool checkURegBinding(dxil::ResourceInfo::ResourceBinding Binding);
};
class DXILPostOptimizationValidation
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index c28873a7fc3df..b84da7b999301 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -36,28 +36,30 @@ enum class RootSignatureElementKind {
};
class RootSignatureBindingInfo {
- private:
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
+private:
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> FuncToRsMap;
- public:
+public:
using iterator =
- SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc>::iterator;
-RootSignatureBindingInfo () = default;
- RootSignatureBindingInfo(SmallDenseMap<const Function *,
mcdxbc::RootSignatureDesc> Map) : FuncToRsMap(Map) {};
+ RootSignatureBindingInfo() = default;
+ RootSignatureBindingInfo(
+ SmallDenseMap<const Function *, mcdxbc::RootSignatureDesc> Map)
+ : FuncToRsMap(Map){};
iterator find(const Function *F) { return FuncToRsMap.find(F); }
iterator end() { return FuncToRsMap.end(); }
- std::optional<mcdxbc::RootSignatureDesc> getDescForFunction(const Function
*F) {
+ std::optional<mcdxbc::RootSignatureDesc>
+ getDescForFunction(const Function *F) {
const auto FuncRs = find(F);
if (FuncRs == end())
return std::nullopt;
return FuncRs->second;
}
-
};
class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
@@ -65,7 +67,7 @@ class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
static AnalysisKey Key;
public:
-RootSignatureAnalysis() = default;
+ RootSignatureAnalysis() = default;
using Result = RootSignatureBindingInfo;
@@ -89,8 +91,8 @@ class RootSignatureAnalysisWrapper : public ModulePass {
using Result = RootSignatureBindingInfo;
RootSignatureAnalysisWrapper() : ModulePass(ID) {}
-
- RootSignatureBindingInfo& getRSInfo() {return *FuncToRsMap;}
+
+ RootSignatureBindingInfo &getRSInfo() { return *FuncToRsMap; }
bool runOnModule(Module &M) override;
diff --git
a/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-DescriptorTable.ll
b/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-DescriptorTable.ll
index b516d66180247..8e9b4b43b11a6 100644
--- a/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-DescriptorTable.ll
+++ b/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-DescriptorTable.ll
@@ -16,7 +16,7 @@ attributes #0 = { "hlsl.numthreads"="1,1,1"
"hlsl.shader"="compute" }
!2 = !{ ptr @main, !3, i32 2 } ; function, root signature
!3 = !{ !5 } ; list of root signature elements
!5 = !{ !"DescriptorTable", i32 0, !6, !7 }
-!6 = !{ !"SRV", i32 0, i32 1, i32 0, i32 -1, i32 4 }
+!6 = !{ !"SRV", i32 1, i32 1, i32 0, i32 -1, i32 4 }
!7 = !{ !"UAV", i32 5, i32 1, i32 10, i32 5, i32 2 }
; DXC: - Name: RTS0
@@ -35,7 +35,7 @@ attributes #0 = { "hlsl.numthreads"="1,1,1"
"hlsl.shader"="compute" }
; DXC-NEXT: RangesOffset: 44
; DXC-NEXT: Ranges:
; DXC-NEXT: - RangeType: 0
-; DXC-NEXT: NumDescriptors: 0
+; DXC-NEXT: NumDescriptors: 1
; DXC-NEXT: BaseShaderRegister: 1
; DXC-NEXT: RegisterSpace: 0
; DXC-NEXT: OffsetInDescriptorsFromTableStart: 4294967295
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