https://github.com/bob80905 updated
https://github.com/llvm/llvm-project/pull/115971
>From 7413ceb21a6e0ac9212ef6317763ee0eff559612 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbati...@microsoft.com>
Date: Tue, 12 Nov 2024 16:44:00 -0800
Subject: [PATCH 1/5] print struct body within target ext ty context
---
.../test/AST/HLSL/StructuredBuffer-AST-2.hlsl | 30 +++++++++++++++++++
llvm/lib/IR/AsmWriter.cpp | 10 +++++--
2 files changed, 38 insertions(+), 2 deletions(-)
create mode 100644 clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
diff --git a/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
new file mode 100644
index 00000000000000..73073b3f6f2839
--- /dev/null
+++ b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
@@ -0,0 +1,30 @@
+// RUN: %clang_dxc -T cs_6_6 %s | FileCheck %s
+
+// The purpose of this test is to ensure that the AST writer
+// only emits struct bodies when within the context of a
+// larger object that is being outputted on the RHS.
+
+
+// note that "{ <4 x float> }" in the check below is a struct type, but only
the
+// body is emitted on the RHS because we are already in the context of a
+// target extension type definition (class.hlsl::StructuredBuffer)
+// CHECK: %"class.hlsl::StructuredBuffer" = type { target("dx.RawBuffer", { <4
x float> }, 0, 0), %struct.mystruct }
+// CHECK: %struct.mystruct = type { <4 x float> }
+// CHECK: %dx.types.Handle = type { ptr }
+// CHECK: %dx.types.ResBind = type { i32, i32, i32, i8 }
+// CHECK: %dx.types.ResourceProperties = type { i32, i32 }
+
+struct mystruct
+{
+ float4 Color;
+};
+
+StructuredBuffer<mystruct> my_buffer : register(t2, space4);
+
+export float4 test()
+{
+ return my_buffer[0].Color;
+}
+
+[numthreads(1,1,1)]
+void main() {}
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 3c1cb76622bbb7..d2705ff4b30fb8 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -649,8 +649,14 @@ void TypePrinting::print(Type *Ty, raw_ostream &OS) {
OS << "target(\"";
printEscapedString(Ty->getTargetExtName(), OS);
OS << "\"";
- for (Type *Inner : TETy->type_params())
- OS << ", " << *Inner;
+ for (Type *Inner : TETy->type_params()) {
+ OS << ", ";
+ if (Inner->isStructTy()) {
+ StructType *STy = cast<StructType>(Inner);
+ printStructBody(STy, OS);
+ } else
+ OS << *Inner;
+ }
for (unsigned IntParam : TETy->int_params())
OS << ", " << IntParam;
OS << ")";
>From 69d90f218b9702f4bd194507e54b5af86e38d3b3 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbati...@microsoft.com>
Date: Wed, 13 Nov 2024 11:55:28 -0800
Subject: [PATCH 2/5] fix runline
---
clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
index 73073b3f6f2839..6b71ddd567249f 100644
--- a/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
+++ b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
@@ -1,4 +1,4 @@
-// RUN: %clang_dxc -T cs_6_6 %s | FileCheck %s
+// RUN: %clang_cc1 -triple dxil-unknown-shadermodel6.6-compute -S
-finclude-default-header -o - %s | FileCheck %s
// The purpose of this test is to ensure that the AST writer
// only emits struct bodies when within the context of a
>From 3a1bdbacf556e2abffc2172721d66291e5f1e3ce Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbati...@microsoft.com>
Date: Wed, 13 Nov 2024 13:54:54 -0800
Subject: [PATCH 3/5] undo change
---
llvm/lib/IR/AsmWriter.cpp | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index d2705ff4b30fb8..e1c8fa834984d9 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -649,14 +649,8 @@ void TypePrinting::print(Type *Ty, raw_ostream &OS) {
OS << "target(\"";
printEscapedString(Ty->getTargetExtName(), OS);
OS << "\"";
- for (Type *Inner : TETy->type_params()) {
- OS << ", ";
- if (Inner->isStructTy()) {
- StructType *STy = cast<StructType>(Inner);
- printStructBody(STy, OS);
- } else
- OS << *Inner;
- }
+ for (Type *Inner : TETy->type_params())
+ OS << ", " << *Inner;
for (unsigned IntParam : TETy->int_params())
OS << ", " << IntParam;
OS << ")";
>From c3e6120c0d3efb7b5aeae864e164976a1d869b6f Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbati...@microsoft.com>
Date: Thu, 21 Nov 2024 17:08:57 -0800
Subject: [PATCH 4/5] convert named to anonymous structs when creating target
ext types
---
clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl | 9 +++++----
llvm/lib/IR/Type.cpp | 13 +++++++++++--
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
index 6b71ddd567249f..1edec7835f16c7 100644
--- a/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
+++ b/clang/test/AST/HLSL/StructuredBuffer-AST-2.hlsl
@@ -1,13 +1,14 @@
// RUN: %clang_cc1 -triple dxil-unknown-shadermodel6.6-compute -S
-finclude-default-header -o - %s | FileCheck %s
-// The purpose of this test is to ensure that the AST writer
-// only emits struct bodies when within the context of a
-// larger object that is being outputted on the RHS.
-
+// The purpose of this test is to ensure that the target
+// extension type associated with the structured buffer only
+// contains anonymous struct types, rather than named
+// struct types
// note that "{ <4 x float> }" in the check below is a struct type, but only
the
// body is emitted on the RHS because we are already in the context of a
// target extension type definition (class.hlsl::StructuredBuffer)
+
// CHECK: %"class.hlsl::StructuredBuffer" = type { target("dx.RawBuffer", { <4
x float> }, 0, 0), %struct.mystruct }
// CHECK: %struct.mystruct = type { <4 x float> }
// CHECK: %dx.types.Handle = type { ptr }
diff --git a/llvm/lib/IR/Type.cpp b/llvm/lib/IR/Type.cpp
index 88ede0d35fa3ee..bc285fe31c44ca 100644
--- a/llvm/lib/IR/Type.cpp
+++ b/llvm/lib/IR/Type.cpp
@@ -794,8 +794,17 @@ TargetExtType::TargetExtType(LLVMContext &C, StringRef
Name,
// Parameter storage immediately follows the class in allocation.
Type **Params = reinterpret_cast<Type **>(this + 1);
ContainedTys = Params;
- for (Type *T : Types)
- *Params++ = T;
+ for (Type *T : Types) {
+ // target ext type parameters may not be named struct types
+ // so we should convert any named struct types to anonymous
+ // struct types in the parameter list
+ Type *ConvertedTy = T;
+ if (auto *STy = dyn_cast<StructType>(T)) {
+ if (STy->hasName())
+ ConvertedTy = StructType::get(C, STy->elements(), /*isPacked=*/false);
+ }
+ *Params++ = ConvertedTy;
+ }
setSubclassData(Ints.size());
unsigned *IntParamSpace = reinterpret_cast<unsigned *>(Params);
>From 0d2579a66d3374114b0e0df4bab21d30f04a23c6 Mon Sep 17 00:00:00 2001
From: Joshua Batista <jbati...@microsoft.com>
Date: Thu, 21 Nov 2024 17:16:43 -0800
Subject: [PATCH 5/5] clang-format
---
llvm/lib/IR/AsmWriter.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index e1c8fa834984d9..3c1cb76622bbb7 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -649,7 +649,7 @@ void TypePrinting::print(Type *Ty, raw_ostream &OS) {
OS << "target(\"";
printEscapedString(Ty->getTargetExtName(), OS);
OS << "\"";
- for (Type *Inner : TETy->type_params())
+ for (Type *Inner : TETy->type_params())
OS << ", " << *Inner;
for (unsigned IntParam : TETy->int_params())
OS << ", " << IntParam;
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