[clang] Adding `asuint` implementation to hlsl (PR #107292)
via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 12 07:52:21 PDT 2024
https://github.com/joaosaffran updated https://github.com/llvm/llvm-project/pull/107292
>From c6434c06d17a2442863f8843e75dc870966fb97c Mon Sep 17 00:00:00 2001
From: Joao Saffran <jderezende at microsoft.com>
Date: Tue, 3 Sep 2024 19:06:22 +0000
Subject: [PATCH 1/5] Adding `asuint` implementation to hlsl
---
clang/include/clang/Basic/Builtins.td | 6 +++
clang/lib/CodeGen/CGBuiltin.cpp | 17 +++++++
clang/lib/Headers/hlsl/hlsl_intrinsics.h | 38 ++++++++++-----
clang/lib/Sema/SemaHLSL.cpp | 19 ++++++++
clang/test/CodeGenHLSL/builtins/asuint.hlsl | 53 +++++++++++++++++++++
5 files changed, 122 insertions(+), 11 deletions(-)
create mode 100644 clang/test/CodeGenHLSL/builtins/asuint.hlsl
diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td
index 3dc04f68b3172a..b055c50689eff6 100644
--- a/clang/include/clang/Basic/Builtins.td
+++ b/clang/include/clang/Basic/Builtins.td
@@ -4751,6 +4751,12 @@ def HLSLRcp : LangBuiltin<"HLSL_LANG"> {
let Prototype = "void(...)";
}
+def HLSLAsUint : LangBuiltin<"HLSL_LANG"> {
+ let Spellings = ["__builtin_hlsl_elementwise_asuint"];
+ let Attributes = [NoThrow, Const];
+ let Prototype = "void(...)";
+}
+
def HLSLRSqrt : LangBuiltin<"HLSL_LANG"> {
let Spellings = ["__builtin_hlsl_elementwise_rsqrt"];
let Attributes = [NoThrow, Const];
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 9950c06a0b9a6b..4f43370a04424d 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -27,9 +27,11 @@
#include "clang/AST/Decl.h"
#include "clang/AST/OSLog.h"
#include "clang/AST/OperationKinds.h"
+#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
+#include "clang/Basic/TokenKinds.h"
#include "clang/CodeGen/CGFunctionInfo.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/ADT/APFloat.h"
@@ -39,6 +41,7 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
@@ -62,6 +65,7 @@
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/ScopedPrinter.h"
+#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/AArch64TargetParser.h"
#include "llvm/TargetParser/RISCVISAInfo.h"
#include "llvm/TargetParser/X86TargetParser.h"
@@ -18866,6 +18870,19 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
llvm::FunctionType::get(IntTy, {}, false), "__hlsl_wave_get_lane_index",
{}, false, true));
}
+ case Builtin::BI__builtin_hlsl_elementwise_asuint: {
+ Value *Op = EmitScalarExpr(E->getArg(0));
+ E->dump();
+ llvm::Type *DestTy = llvm::Type::getInt32Ty(this->getLLVMContext());
+
+ if (Op -> getType()->isVectorTy()){
+ auto VecTy = E->getArg(0)->getType()->getAs<VectorType>();
+ DestTy = llvm::VectorType::get(DestTy, VecTy->getNumElements(),
+ VecTy->isSizelessVectorType());
+ }
+
+ return Builder.CreateBitCast(Op, DestTy);
+ }
case Builtin::BI__builtin_hlsl_wave_is_first_lane: {
Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveIsFirstLaneIntrinsic();
return EmitRuntimeCall(Intrinsic::getDeclaration(&CGM.getModule(), ID));
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 7a1edd93984de7..1a7e1f646619e0 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -367,17 +367,6 @@ bool any(double4);
/// \brief Returns the arcsine of the input value, \a Val.
/// \param Val The input value.
-#ifdef __HLSL_ENABLE_16_BIT
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
-half asin(half);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
-half2 asin(half2);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
-half3 asin(half3);
-_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
-half4 asin(half4);
-#endif
-
_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
float asin(float);
_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
@@ -387,6 +376,33 @@ float3 asin(float3);
_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
float4 asin(float4);
+//===----------------------------------------------------------------------===//
+// asin builtins
+//===----------------------------------------------------------------------===//
+
+/// \fn uint asin(T Val)
+/// \brief Reinterprest.
+/// \param Val The input value.
+
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint asuint(float);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint2 asuint(float2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint3 asuint(float3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint4 asuint(float4);
+
+
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint asuint(double);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint2 asuint(double2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint3 asuint(double3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint4 asuint(double4);
+
//===----------------------------------------------------------------------===//
// atan builtins
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index 4e44813fe515ce..ed99a6e97d8368 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -29,6 +29,8 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DXILABI.h"
#include "llvm/Support/ErrorHandling.h"
@@ -1754,6 +1756,23 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
return true;
break;
}
+ case Builtin::BI__builtin_hlsl_elementwise_asuint: {
+ if (SemaRef.checkArgCount(TheCall, 1))
+ return true;
+
+ ExprResult A = TheCall->getArg(0);
+ QualType ArgTyA = A.get()->getType();
+
+ if(ArgTyA->isVectorType()){
+ auto VecTy = TheCall->getArg(0)->getType()->getAs<VectorType>();
+ auto ReturnType = this->getASTContext().getVectorType(TheCall->getCallReturnType(this->getASTContext()), VecTy->getNumElements(),
+ VectorKind::Generic);
+
+ TheCall->setType(ReturnType);
+ }
+
+ break;
+ }
case Builtin::BI__builtin_elementwise_acos:
case Builtin::BI__builtin_elementwise_asin:
case Builtin::BI__builtin_elementwise_atan:
diff --git a/clang/test/CodeGenHLSL/builtins/asuint.hlsl b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
new file mode 100644
index 00000000000000..33acb00ae11182
--- /dev/null
+++ b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
@@ -0,0 +1,53 @@
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -o - | FileCheck %s
+
+// // CHECK-LABEL: builtin_test_asuint_float
+// // CHECK: bitcast float %0 to i32
+// // CHECK: ret <4 x i32> %dx.clamp
+// export uint builtin_test_asuint_float(float p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+
+// // CHECK-LABEL: builtin_test_asuint_float
+// // CHECK: bitcast float %0 to i32
+// // CHECK: ret <4 x i32> %dx.clamp
+// export uint builtin_test_asuint_double(double p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+
+// // CHECK-LABEL: builtin_test_asuint_float
+// // CHECK: bitcast float %0 to i32
+// // CHECK: ret <4 x i32> %dx.clamp
+// export uint builtin_test_asuint_half(half p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+
+// // CHECK-LABEL: builtin_test_asuint_float
+// // CHECK: bitcast float %0 to i32
+// // CHECK: ret <4 x i32> %dx.clamp
+// export uint4 builtin_test_asuint_float_vector(float p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+
+// CHECK-LABEL: builtin_test_asuint_float
+// CHECK: bitcast float %0 to i32
+// CHECK: ret <4 x i32> %dx.clamp
+export uint4 builtin_test_asuint_floa4t(float p0) {
+ return asuint(p0);
+}
+
+// export uint4 builtin_test_asuint4_uint(uint p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+
+// export uint4 builtin_test_asuint4_int(int p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
+
+// export uint builtin_test_asuint_float(float p0) {
+// return __builtin_hlsl_elementwise_asuint(p0);
+// }
\ No newline at end of file
>From 55a6cad600d2cca7a07b98c160f76c63709cba0d Mon Sep 17 00:00:00 2001
From: Joao Saffran <jderezende at microsoft.com>
Date: Tue, 3 Sep 2024 19:06:22 +0000
Subject: [PATCH 2/5] Adding `asuint` implementation to hlsl
---
clang/lib/CodeGen/CGBuiltin.cpp | 16 ++---
clang/lib/Headers/hlsl/hlsl_intrinsics.h | 27 ++++----
clang/lib/Sema/SemaHLSL.cpp | 43 +++++++++----
clang/test/CodeGenHLSL/builtins/asuint.hlsl | 63 ++++++-------------
.../test/SemaHLSL/BuiltIns/asuint-errors.hlsl | 18 ++++++
5 files changed, 86 insertions(+), 81 deletions(-)
create mode 100644 clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 4f43370a04424d..d6d740604190c1 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -27,11 +27,9 @@
#include "clang/AST/Decl.h"
#include "clang/AST/OSLog.h"
#include "clang/AST/OperationKinds.h"
-#include "clang/Basic/Builtins.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
-#include "clang/Basic/TokenKinds.h"
#include "clang/CodeGen/CGFunctionInfo.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "llvm/ADT/APFloat.h"
@@ -41,7 +39,6 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/DataLayout.h"
-#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
@@ -65,7 +62,6 @@
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/ScopedPrinter.h"
-#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/AArch64TargetParser.h"
#include "llvm/TargetParser/RISCVISAInfo.h"
#include "llvm/TargetParser/X86TargetParser.h"
@@ -18871,14 +18867,14 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
{}, false, true));
}
case Builtin::BI__builtin_hlsl_elementwise_asuint: {
- Value *Op = EmitScalarExpr(E->getArg(0));
- E->dump();
+ Value *Op = EmitScalarExpr(E->getArg(0)->IgnoreImpCasts());
+
llvm::Type *DestTy = llvm::Type::getInt32Ty(this->getLLVMContext());
- if (Op -> getType()->isVectorTy()){
- auto VecTy = E->getArg(0)->getType()->getAs<VectorType>();
- DestTy = llvm::VectorType::get(DestTy, VecTy->getNumElements(),
- VecTy->isSizelessVectorType());
+ if (Op->getType()->isVectorTy()) {
+ const VectorType *VecTy = E->getArg(0)->getType()->getAs<VectorType>();
+ DestTy = llvm::VectorType::get(
+ DestTy, ElementCount::getFixed(VecTy->getNumElements()));
}
return Builder.CreateBitCast(Op, DestTy);
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 1a7e1f646619e0..2ba2677b65af3c 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -367,6 +367,17 @@ bool any(double4);
/// \brief Returns the arcsine of the input value, \a Val.
/// \param Val The input value.
+#ifdef __HLSL_ENABLE_16_BIT
+_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
+half asin(half);
+_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
+half2 asin(half2);
+_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
+half3 asin(half3);
+_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
+half4 asin(half4);
+#endif
+
_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
float asin(float);
_HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
@@ -377,11 +388,11 @@ _HLSL_BUILTIN_ALIAS(__builtin_elementwise_asin)
float4 asin(float4);
//===----------------------------------------------------------------------===//
-// asin builtins
+// asuint builtins
//===----------------------------------------------------------------------===//
-/// \fn uint asin(T Val)
-/// \brief Reinterprest.
+/// \fn uint asuint(T Val)
+/// \brief Interprets the bit pattern of x as an unsigned integer.
/// \param Val The input value.
_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
@@ -393,16 +404,6 @@ uint3 asuint(float3);
_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
uint4 asuint(float4);
-
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint asuint(double);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint2 asuint(double2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint3 asuint(double3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint4 asuint(double4);
-
//===----------------------------------------------------------------------===//
// atan builtins
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index ed99a6e97d8368..2e41daa4af7ef8 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -9,7 +9,6 @@
//===----------------------------------------------------------------------===//
#include "clang/Sema/SemaHLSL.h"
-#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
@@ -29,8 +28,6 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringRef.h"
-#include "llvm/IR/DerivedTypes.h"
-#include "llvm/IR/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/DXILABI.h"
#include "llvm/Support/ErrorHandling.h"
@@ -1473,6 +1470,25 @@ bool CheckVectorElementCallArgs(Sema *S, CallExpr *TheCall) {
return true;
}
+bool CheckArgTypeWithoutImplicits(
+ Sema *S, Expr *Arg, QualType ExpectedType,
+ llvm::function_ref<bool(clang::QualType PassedType)> Check) {
+
+ QualType ArgTy = Arg->IgnoreImpCasts()->getType();
+
+ clang::QualType BaseType =
+ ArgTy->isVectorType()
+ ? ArgTy->getAs<clang::VectorType>()->getElementType()
+ : ArgTy;
+
+ if (Check(BaseType)) {
+ S->Diag(Arg->getBeginLoc(), diag::err_typecheck_convert_incompatible)
+ << ArgTy << ExpectedType << 1 << 0 << 0;
+ return true;
+ }
+ return false;
+}
+
bool CheckArgsTypesAreCorrect(
Sema *S, CallExpr *TheCall, QualType ExpectedType,
llvm::function_ref<bool(clang::QualType PassedType)> Check) {
@@ -1499,6 +1515,14 @@ bool CheckAllArgsHaveFloatRepresentation(Sema *S, CallExpr *TheCall) {
checkAllFloatTypes);
}
+bool CheckArgIsFloatOrIntWithoutImplicits(Sema *S, Expr *Arg) {
+ auto checkFloat = [](clang::QualType PassedType) -> bool {
+ return !PassedType->isFloat32Type() && !PassedType->isIntegerType();
+ };
+
+ return CheckArgTypeWithoutImplicits(S, Arg, S->Context.FloatTy, checkFloat);
+}
+
bool CheckFloatOrHalfRepresentations(Sema *S, CallExpr *TheCall) {
auto checkFloatorHalf = [](clang::QualType PassedType) -> bool {
clang::QualType BaseType =
@@ -1760,16 +1784,9 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
if (SemaRef.checkArgCount(TheCall, 1))
return true;
- ExprResult A = TheCall->getArg(0);
- QualType ArgTyA = A.get()->getType();
-
- if(ArgTyA->isVectorType()){
- auto VecTy = TheCall->getArg(0)->getType()->getAs<VectorType>();
- auto ReturnType = this->getASTContext().getVectorType(TheCall->getCallReturnType(this->getASTContext()), VecTy->getNumElements(),
- VectorKind::Generic);
-
- TheCall->setType(ReturnType);
- }
+ Expr *Arg = TheCall->getArg(0);
+ if (CheckArgIsFloatOrIntWithoutImplicits(&SemaRef, Arg))
+ return true;
break;
}
diff --git a/clang/test/CodeGenHLSL/builtins/asuint.hlsl b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
index 33acb00ae11182..2ae7d8219ac671 100644
--- a/clang/test/CodeGenHLSL/builtins/asuint.hlsl
+++ b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
@@ -1,53 +1,26 @@
// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -o - | FileCheck %s
-// // CHECK-LABEL: builtin_test_asuint_float
-// // CHECK: bitcast float %0 to i32
-// // CHECK: ret <4 x i32> %dx.clamp
-// export uint builtin_test_asuint_float(float p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
-
-// // CHECK-LABEL: builtin_test_asuint_float
-// // CHECK: bitcast float %0 to i32
-// // CHECK: ret <4 x i32> %dx.clamp
-// export uint builtin_test_asuint_double(double p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
-
-
-// // CHECK-LABEL: builtin_test_asuint_float
-// // CHECK: bitcast float %0 to i32
-// // CHECK: ret <4 x i32> %dx.clamp
-// export uint builtin_test_asuint_half(half p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
-
-
-// // CHECK-LABEL: builtin_test_asuint_float
-// // CHECK: bitcast float %0 to i32
-// // CHECK: ret <4 x i32> %dx.clamp
-// export uint4 builtin_test_asuint_float_vector(float p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
-
-
-// CHECK-LABEL: builtin_test_asuint_float
-// CHECK: bitcast float %0 to i32
-// CHECK: ret <4 x i32> %dx.clamp
-export uint4 builtin_test_asuint_floa4t(float p0) {
+// CHECK-LABEL: test_asuint4_uint
+// CHECK: ret i32 %0
+export uint test_asuint4_uint(uint p0) {
return asuint(p0);
}
-// export uint4 builtin_test_asuint4_uint(uint p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
-
+// CHECK-LABEL: test_asuint4_int
+// CHECK: %splat.splatinsert = insertelement <4 x i32> poison, i32 %0, i64 0
+export uint4 test_asuint4_int(int p0) {
+ return asuint(p0);
+}
-// export uint4 builtin_test_asuint4_int(int p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
+// CHECK-LABEL: test_asuint_float
+// CHECK: %1 = bitcast float %0 to i32
+export uint test_asuint_float(float p0) {
+ return asuint(p0);
+}
-// export uint builtin_test_asuint_float(float p0) {
-// return __builtin_hlsl_elementwise_asuint(p0);
-// }
\ No newline at end of file
+// CHECK-LABEL: test_asuint_float
+// CHECK: %1 = bitcast <4 x float> %0 to <4 x i32>
+export uint4 test_asuint_float4(float4 p0) {
+ return asuint(p0);
+}
\ No newline at end of file
diff --git a/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl b/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
new file mode 100644
index 00000000000000..e9da975bff1b5e
--- /dev/null
+++ b/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected
+
+
+export uint4 test_asuint_too_many_arg(float p0, float p1) {
+ return __builtin_hlsl_elementwise_asuint(p0, p1);
+ // expected-error at -1 {{too many arguments to function call, expected 1, have 2}}
+}
+
+
+export uint fn(double p1) {
+ return asuint(p1);
+ // expected-error at -1 {{passing 'double' to parameter of incompatible type 'float'}}
+}
+
+export uint fn(half p1) {
+ return asuint(p1);
+ // expected-error at -1 {{passing 'half' to parameter of incompatible type 'float'}}
+}
>From 529c8dc39d2fb435fa11fb7cbf6aacfd6f915412 Mon Sep 17 00:00:00 2001
From: Joao Saffran <jderezende at microsoft.com>
Date: Fri, 6 Sep 2024 18:44:38 +0000
Subject: [PATCH 3/5] Adding `asuint` implementation to hlsl
---
clang/include/clang/Basic/Builtins.td | 7 +++-
clang/lib/CodeGen/CGBuiltin.cpp | 2 +-
clang/lib/Headers/hlsl/hlsl_intrinsics.h | 18 +++++++++
clang/lib/Sema/SemaHLSL.cpp | 32 ++++-----------
clang/test/CodeGenHLSL/builtins/asuint.hlsl | 43 ++++++++++++++-------
5 files changed, 61 insertions(+), 41 deletions(-)
diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td
index b055c50689eff6..43170566465938 100644
--- a/clang/include/clang/Basic/Builtins.td
+++ b/clang/include/clang/Basic/Builtins.td
@@ -53,6 +53,9 @@ class MSInt32_64Template : Template<["msint32_t", "int64_t"],
class FloatDoubleTemplate : Template<["float", "double"],
["f", ""]>;
+class HLSLFloatAndIntTemplate : Template<
+ ["unsigned int", "int", "float"],
+ ["", "si", "f"]>;
// FIXME: These assume that char -> i8, short -> i16, int -> i32,
// long long -> i64.
class SyncBuiltinsTemplate :
@@ -4751,10 +4754,10 @@ def HLSLRcp : LangBuiltin<"HLSL_LANG"> {
let Prototype = "void(...)";
}
-def HLSLAsUint : LangBuiltin<"HLSL_LANG"> {
+def HLSLAsUint : LangBuiltin<"HLSL_LANG">, HLSLFloatAndIntTemplate {
let Spellings = ["__builtin_hlsl_elementwise_asuint"];
let Attributes = [NoThrow, Const];
- let Prototype = "void(...)";
+ let Prototype = "unsigned int (T)";
}
def HLSLRSqrt : LangBuiltin<"HLSL_LANG"> {
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index d6d740604190c1..4ee8a54f75beff 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18867,7 +18867,7 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
{}, false, true));
}
case Builtin::BI__builtin_hlsl_elementwise_asuint: {
- Value *Op = EmitScalarExpr(E->getArg(0)->IgnoreImpCasts());
+ Value *Op = EmitScalarExpr(E->getArg(0));
llvm::Type *DestTy = llvm::Type::getInt32Ty(this->getLLVMContext());
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 2ba2677b65af3c..821009a4bde4ef 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -404,6 +404,24 @@ uint3 asuint(float3);
_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
uint4 asuint(float4);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint asuint(uint);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint2 asuint(uint2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint3 asuint(uint3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint4 asuint(uint4);
+
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint asuint(int);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint2 asuint(int2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint3 asuint(int3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+uint4 asuint(int4);
+
//===----------------------------------------------------------------------===//
// atan builtins
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index 2e41daa4af7ef8..730b1e7542f5fc 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -1470,25 +1470,6 @@ bool CheckVectorElementCallArgs(Sema *S, CallExpr *TheCall) {
return true;
}
-bool CheckArgTypeWithoutImplicits(
- Sema *S, Expr *Arg, QualType ExpectedType,
- llvm::function_ref<bool(clang::QualType PassedType)> Check) {
-
- QualType ArgTy = Arg->IgnoreImpCasts()->getType();
-
- clang::QualType BaseType =
- ArgTy->isVectorType()
- ? ArgTy->getAs<clang::VectorType>()->getElementType()
- : ArgTy;
-
- if (Check(BaseType)) {
- S->Diag(Arg->getBeginLoc(), diag::err_typecheck_convert_incompatible)
- << ArgTy << ExpectedType << 1 << 0 << 0;
- return true;
- }
- return false;
-}
-
bool CheckArgsTypesAreCorrect(
Sema *S, CallExpr *TheCall, QualType ExpectedType,
llvm::function_ref<bool(clang::QualType PassedType)> Check) {
@@ -1515,12 +1496,16 @@ bool CheckAllArgsHaveFloatRepresentation(Sema *S, CallExpr *TheCall) {
checkAllFloatTypes);
}
-bool CheckArgIsFloatOrIntWithoutImplicits(Sema *S, Expr *Arg) {
+bool CheckNotFloatAndInt(Sema *S, CallExpr *TheCall) {
auto checkFloat = [](clang::QualType PassedType) -> bool {
- return !PassedType->isFloat32Type() && !PassedType->isIntegerType();
+ clang::QualType BaseType =
+ PassedType->isVectorType()
+ ? PassedType->getAs<clang::VectorType>()->getElementType()
+ : PassedType;
+ return !(BaseType->isFloat32Type() || BaseType->isIntegerType());
};
- return CheckArgTypeWithoutImplicits(S, Arg, S->Context.FloatTy, checkFloat);
+ return CheckArgsTypesAreCorrect(S, TheCall, S->Context.FloatTy, checkFloat);
}
bool CheckFloatOrHalfRepresentations(Sema *S, CallExpr *TheCall) {
@@ -1784,8 +1769,7 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
if (SemaRef.checkArgCount(TheCall, 1))
return true;
- Expr *Arg = TheCall->getArg(0);
- if (CheckArgIsFloatOrIntWithoutImplicits(&SemaRef, Arg))
+ if (CheckNotFloatAndInt(&SemaRef, TheCall))
return true;
break;
diff --git a/clang/test/CodeGenHLSL/builtins/asuint.hlsl b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
index 2ae7d8219ac671..1edf07942d3a09 100644
--- a/clang/test/CodeGenHLSL/builtins/asuint.hlsl
+++ b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
@@ -1,26 +1,41 @@
-// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -disable-llvm-passes -o - | FileCheck %s
+// RUN: %clang_cc1 -finclude-default-header -x hlsl -triple dxil-pc-shadermodel6.3-library %s -fnative-half-type -emit-llvm -O1 -o - | FileCheck %s
+// CHECK: define {{.*}}test_uint{{.*}}(i32 {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK-NOT: bitcast
+// CHECK: ret i32 [[VAL]]
+export uint test_uint(uint p0) {
+ return asuint(p0);
+}
+
+// CHECK: define {{.*}}test_int{{.*}}(i32 {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK-NOT: bitcast
+// CHECK: ret i32 [[VAL]]
+export uint test_int(int p0) {
+ return asuint(p0);
+}
-// CHECK-LABEL: test_asuint4_uint
-// CHECK: ret i32 %0
-export uint test_asuint4_uint(uint p0) {
+// CHECK: define {{.*}}test_float{{.*}}(float {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK: bitcast float [[VAL]] to i32
+export uint test_float(float p0) {
return asuint(p0);
}
-// CHECK-LABEL: test_asuint4_int
-// CHECK: %splat.splatinsert = insertelement <4 x i32> poison, i32 %0, i64 0
-export uint4 test_asuint4_int(int p0) {
+// CHECK: define {{.*}}test_vector_uint{{.*}}(<4 x i32> {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK-NOT: bitcast
+// CHECK: ret <4 x i32> [[VAL]]
+export uint4 test_vector_uint(uint4 p0) {
return asuint(p0);
}
-// CHECK-LABEL: test_asuint_float
-// CHECK: %1 = bitcast float %0 to i32
-export uint test_asuint_float(float p0) {
+// CHECK: define {{.*}}test_vector_int{{.*}}(<4 x i32> {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK-NOT: bitcast
+// CHECK: ret <4 x i32> [[VAL]]
+export uint4 test_vector_int(int4 p0) {
return asuint(p0);
}
-// CHECK-LABEL: test_asuint_float
-// CHECK: %1 = bitcast <4 x float> %0 to <4 x i32>
-export uint4 test_asuint_float4(float4 p0) {
+// CHECK: define {{.*}}test_vector_float{{.*}}(<4 x float> {{.*}} [[VAL:%.*]]){{.*}}
+// CHECK: bitcast <4 x float> [[VAL]] to <4 x i32>
+export uint4 test_vector_float(float4 p0) {
return asuint(p0);
-}
\ No newline at end of file
+}
>From 16a02160b00ee5b4d50575207e8c9fdc7b39eb23 Mon Sep 17 00:00:00 2001
From: Joao Saffran <jderezende at microsoft.com>
Date: Mon, 9 Sep 2024 18:35:20 +0000
Subject: [PATCH 4/5] implementing __hlsl_bit_cast_32
---
clang/include/clang/Basic/Builtins.td | 15 +++----
clang/lib/CodeGen/CGBuiltin.cpp | 18 ++++++---
clang/lib/Headers/hlsl/hlsl_intrinsics.h | 40 +++++++++----------
clang/lib/Sema/SemaHLSL.cpp | 4 +-
clang/test/CodeGenHLSL/builtins/asuint.hlsl | 12 +++---
...nt-errors.hlsl => bit-cast-32-errors.hlsl} | 16 ++++----
6 files changed, 54 insertions(+), 51 deletions(-)
rename clang/test/SemaHLSL/BuiltIns/{asuint-errors.hlsl => bit-cast-32-errors.hlsl} (51%)
diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td
index 43170566465938..da298500acffae 100644
--- a/clang/include/clang/Basic/Builtins.td
+++ b/clang/include/clang/Basic/Builtins.td
@@ -53,9 +53,6 @@ class MSInt32_64Template : Template<["msint32_t", "int64_t"],
class FloatDoubleTemplate : Template<["float", "double"],
["f", ""]>;
-class HLSLFloatAndIntTemplate : Template<
- ["unsigned int", "int", "float"],
- ["", "si", "f"]>;
// FIXME: These assume that char -> i8, short -> i16, int -> i32,
// long long -> i64.
class SyncBuiltinsTemplate :
@@ -4754,12 +4751,6 @@ def HLSLRcp : LangBuiltin<"HLSL_LANG"> {
let Prototype = "void(...)";
}
-def HLSLAsUint : LangBuiltin<"HLSL_LANG">, HLSLFloatAndIntTemplate {
- let Spellings = ["__builtin_hlsl_elementwise_asuint"];
- let Attributes = [NoThrow, Const];
- let Prototype = "unsigned int (T)";
-}
-
def HLSLRSqrt : LangBuiltin<"HLSL_LANG"> {
let Spellings = ["__builtin_hlsl_elementwise_rsqrt"];
let Attributes = [NoThrow, Const];
@@ -4772,6 +4763,12 @@ def HLSLSaturate : LangBuiltin<"HLSL_LANG"> {
let Prototype = "void(...)";
}
+def HLSLBitCast32 : LangBuiltin<"HLSL_LANG"> {
+ let Spellings = ["__builtin_hlsl_bit_cast_32"];
+ let Attributes = [NoThrow, Const];
+ let Prototype = "void(...)";
+}
+
def HLSLSelect : LangBuiltin<"HLSL_LANG"> {
let Spellings = ["__builtin_hlsl_select"];
let Attributes = [NoThrow, Const];
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 4ee8a54f75beff..d7693d6c905487 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18866,10 +18866,20 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
llvm::FunctionType::get(IntTy, {}, false), "__hlsl_wave_get_lane_index",
{}, false, true));
}
- case Builtin::BI__builtin_hlsl_elementwise_asuint: {
+ case Builtin::BI__builtin_hlsl_wave_is_first_lane: {
+ Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveIsFirstLaneIntrinsic();
+ return EmitRuntimeCall(Intrinsic::getDeclaration(&CGM.getModule(), ID));
+ }
+ case Builtin::BI__builtin_hlsl_bit_cast_32: {
Value *Op = EmitScalarExpr(E->getArg(0));
- llvm::Type *DestTy = llvm::Type::getInt32Ty(this->getLLVMContext());
+ llvm::Type *DestTy = ConvertType(E->getCallReturnType(getContext()));
+
+ if (DestTy->isVectorTy()) {
+ const VectorType *VecTy =
+ E->getCallReturnType(getContext())->getAs<VectorType>();
+ DestTy = ConvertType(VecTy->getElementType());
+ }
if (Op->getType()->isVectorTy()) {
const VectorType *VecTy = E->getArg(0)->getType()->getAs<VectorType>();
@@ -18879,10 +18889,6 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
return Builder.CreateBitCast(Op, DestTy);
}
- case Builtin::BI__builtin_hlsl_wave_is_first_lane: {
- Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveIsFirstLaneIntrinsic();
- return EmitRuntimeCall(Intrinsic::getDeclaration(&CGM.getModule(), ID));
- }
case Builtin::BI__builtin_hlsl_elementwise_sign: {
Value *Op0 = EmitScalarExpr(E->getArg(0));
llvm::Type *Xty = Op0->getType();
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 821009a4bde4ef..6a5ff52cd8e0cc 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -395,32 +395,32 @@ float4 asin(float4);
/// \brief Interprets the bit pattern of x as an unsigned integer.
/// \param Val The input value.
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint asuint(float);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint2 asuint(float2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint3 asuint(float3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint4 asuint(float4);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint asuint(int);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint2 asuint(int2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint3 asuint(int3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint4 asuint(int4);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
uint asuint(uint);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
uint2 asuint(uint2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
uint3 asuint(uint3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
uint4 asuint(uint4);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint asuint(int);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint2 asuint(int2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint3 asuint(int3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_elementwise_asuint)
-uint4 asuint(int4);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint asuint(float);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint2 asuint(float2);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint3 asuint(float3);
+_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
+uint4 asuint(float4);
//===----------------------------------------------------------------------===//
// atan builtins
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index 730b1e7542f5fc..b7e3476fd6f6c5 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -9,6 +9,7 @@
//===----------------------------------------------------------------------===//
#include "clang/Sema/SemaHLSL.h"
+#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
@@ -1765,13 +1766,12 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
return true;
break;
}
- case Builtin::BI__builtin_hlsl_elementwise_asuint: {
+ case Builtin::BI__builtin_hlsl_bit_cast_32: {
if (SemaRef.checkArgCount(TheCall, 1))
return true;
if (CheckNotFloatAndInt(&SemaRef, TheCall))
return true;
-
break;
}
case Builtin::BI__builtin_elementwise_acos:
diff --git a/clang/test/CodeGenHLSL/builtins/asuint.hlsl b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
index 1edf07942d3a09..ac3dae26d6caed 100644
--- a/clang/test/CodeGenHLSL/builtins/asuint.hlsl
+++ b/clang/test/CodeGenHLSL/builtins/asuint.hlsl
@@ -3,39 +3,39 @@
// CHECK: define {{.*}}test_uint{{.*}}(i32 {{.*}} [[VAL:%.*]]){{.*}}
// CHECK-NOT: bitcast
// CHECK: ret i32 [[VAL]]
-export uint test_uint(uint p0) {
+uint test_uint(uint p0) {
return asuint(p0);
}
// CHECK: define {{.*}}test_int{{.*}}(i32 {{.*}} [[VAL:%.*]]){{.*}}
// CHECK-NOT: bitcast
// CHECK: ret i32 [[VAL]]
-export uint test_int(int p0) {
+uint test_int(int p0) {
return asuint(p0);
}
// CHECK: define {{.*}}test_float{{.*}}(float {{.*}} [[VAL:%.*]]){{.*}}
// CHECK: bitcast float [[VAL]] to i32
-export uint test_float(float p0) {
+uint test_float(float p0) {
return asuint(p0);
}
// CHECK: define {{.*}}test_vector_uint{{.*}}(<4 x i32> {{.*}} [[VAL:%.*]]){{.*}}
// CHECK-NOT: bitcast
// CHECK: ret <4 x i32> [[VAL]]
-export uint4 test_vector_uint(uint4 p0) {
+uint4 test_vector_uint(uint4 p0) {
return asuint(p0);
}
// CHECK: define {{.*}}test_vector_int{{.*}}(<4 x i32> {{.*}} [[VAL:%.*]]){{.*}}
// CHECK-NOT: bitcast
// CHECK: ret <4 x i32> [[VAL]]
-export uint4 test_vector_int(int4 p0) {
+uint4 test_vector_int(int4 p0) {
return asuint(p0);
}
// CHECK: define {{.*}}test_vector_float{{.*}}(<4 x float> {{.*}} [[VAL:%.*]]){{.*}}
// CHECK: bitcast <4 x float> [[VAL]] to <4 x i32>
-export uint4 test_vector_float(float4 p0) {
+uint4 test_vector_float(float4 p0) {
return asuint(p0);
}
diff --git a/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl b/clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
similarity index 51%
rename from clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
rename to clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
index e9da975bff1b5e..ff0108e353c1b7 100644
--- a/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
+++ b/clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
@@ -1,18 +1,18 @@
// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected
-export uint4 test_asuint_too_many_arg(float p0, float p1) {
- return __builtin_hlsl_elementwise_asuint(p0, p1);
+uint4 test_asuint_too_many_arg(float p0, float p1) {
+ return __builtin_hlsl_bit_cast_32(p0, p1);
// expected-error at -1 {{too many arguments to function call, expected 1, have 2}}
}
-
-export uint fn(double p1) {
- return asuint(p1);
+uint test_asuint_double(double p1) {
+ return __builtin_hlsl_bit_cast_32(p1);
// expected-error at -1 {{passing 'double' to parameter of incompatible type 'float'}}
}
-export uint fn(half p1) {
- return asuint(p1);
- // expected-error at -1 {{passing 'half' to parameter of incompatible type 'float'}}
+
+uint test_asuint_half(half p1) {
+ return __builtin_hlsl_bit_cast_32(p1);
+ // expected-error at -1 {{passing 'double' to parameter of incompatible type 'float'}}
}
>From d9fa028cea2b06c7ccf85dcddd3a9f9a7f669bf1 Mon Sep 17 00:00:00 2001
From: Joao Saffran <jderezende at microsoft.com>
Date: Thu, 12 Sep 2024 06:24:02 +0000
Subject: [PATCH 5/5] changing implementation of asuint to use bit_cast
---
clang/include/clang/Basic/Builtins.td | 6 ---
clang/lib/CodeGen/CGBuiltin.cpp | 19 ---------
clang/lib/Headers/CMakeLists.txt | 1 +
clang/lib/Headers/hlsl/hlsl_details.h | 42 +++++++++++++++++++
clang/lib/Headers/hlsl/hlsl_intrinsics.h | 37 +++++-----------
clang/lib/Sema/SemaHLSL.cpp | 20 ---------
.../test/SemaHLSL/BuiltIns/asuint-errors.hlsl | 18 ++++++++
.../SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl | 18 --------
8 files changed, 72 insertions(+), 89 deletions(-)
create mode 100644 clang/lib/Headers/hlsl/hlsl_details.h
create mode 100644 clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
delete mode 100644 clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
diff --git a/clang/include/clang/Basic/Builtins.td b/clang/include/clang/Basic/Builtins.td
index da298500acffae..3dc04f68b3172a 100644
--- a/clang/include/clang/Basic/Builtins.td
+++ b/clang/include/clang/Basic/Builtins.td
@@ -4763,12 +4763,6 @@ def HLSLSaturate : LangBuiltin<"HLSL_LANG"> {
let Prototype = "void(...)";
}
-def HLSLBitCast32 : LangBuiltin<"HLSL_LANG"> {
- let Spellings = ["__builtin_hlsl_bit_cast_32"];
- let Attributes = [NoThrow, Const];
- let Prototype = "void(...)";
-}
-
def HLSLSelect : LangBuiltin<"HLSL_LANG"> {
let Spellings = ["__builtin_hlsl_select"];
let Attributes = [NoThrow, Const];
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index d7693d6c905487..9950c06a0b9a6b 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18870,25 +18870,6 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
Intrinsic::ID ID = CGM.getHLSLRuntime().getWaveIsFirstLaneIntrinsic();
return EmitRuntimeCall(Intrinsic::getDeclaration(&CGM.getModule(), ID));
}
- case Builtin::BI__builtin_hlsl_bit_cast_32: {
- Value *Op = EmitScalarExpr(E->getArg(0));
-
- llvm::Type *DestTy = ConvertType(E->getCallReturnType(getContext()));
-
- if (DestTy->isVectorTy()) {
- const VectorType *VecTy =
- E->getCallReturnType(getContext())->getAs<VectorType>();
- DestTy = ConvertType(VecTy->getElementType());
- }
-
- if (Op->getType()->isVectorTy()) {
- const VectorType *VecTy = E->getArg(0)->getType()->getAs<VectorType>();
- DestTy = llvm::VectorType::get(
- DestTy, ElementCount::getFixed(VecTy->getNumElements()));
- }
-
- return Builder.CreateBitCast(Op, DestTy);
- }
case Builtin::BI__builtin_hlsl_elementwise_sign: {
Value *Op0 = EmitScalarExpr(E->getArg(0));
llvm::Type *Xty = Op0->getType();
diff --git a/clang/lib/Headers/CMakeLists.txt b/clang/lib/Headers/CMakeLists.txt
index e928b5b142827b..53b16afcf92402 100644
--- a/clang/lib/Headers/CMakeLists.txt
+++ b/clang/lib/Headers/CMakeLists.txt
@@ -87,6 +87,7 @@ set(hlsl_h
set(hlsl_subdir_files
hlsl/hlsl_basic_types.h
hlsl/hlsl_intrinsics.h
+ hlsl/hlsl_details.h
)
set(hlsl_files
${hlsl_h}
diff --git a/clang/lib/Headers/hlsl/hlsl_details.h b/clang/lib/Headers/hlsl/hlsl_details.h
new file mode 100644
index 00000000000000..00eda6554df1c0
--- /dev/null
+++ b/clang/lib/Headers/hlsl/hlsl_details.h
@@ -0,0 +1,42 @@
+//===----- hlsl_intrinsics.h - HLSL definitions for intrinsics ----------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+
+#ifndef _HLSL_HLSL_DETAILS_H_
+#define _HLSL_HLSL_DETAILS_H_
+
+namespace __details {
+#define HLSL_BUILTIN_ATTRIBUTES\
+ __attribute__((__always_inline__, __nodebug__)) static inline
+
+template<bool B, typename T>
+struct enable_if { };
+
+template<typename T>
+struct enable_if<true, T> {
+ using Type = T;
+};
+
+template<bool B, typename T=void>
+using enable_if_t = typename enable_if<B,T>::Type;
+
+template<typename U, typename T, int N>
+HLSL_BUILTIN_ATTRIBUTES vector<U, N> bit_cast(vector<T, N> V) {
+ _Static_assert(sizeof(U) == sizeof(T), "casting types must be same bit size.");
+ return __builtin_bit_cast(vector<U, N>, V);
+}
+
+template<typename U, typename T>
+HLSL_BUILTIN_ATTRIBUTES U bit_cast(T F) {
+ _Static_assert(sizeof(U) == sizeof(T), "casting types must be same bit size.");
+ return __builtin_bit_cast(U, F);
+}
+
+} // namespace hlsl
+
+#endif //_HLSL_HLSL_DETAILS_H_
diff --git a/clang/lib/Headers/hlsl/hlsl_intrinsics.h b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
index 6a5ff52cd8e0cc..f7ab7fe27c145f 100644
--- a/clang/lib/Headers/hlsl/hlsl_intrinsics.h
+++ b/clang/lib/Headers/hlsl/hlsl_intrinsics.h
@@ -10,6 +10,7 @@
#define _HLSL_HLSL_INTRINSICS_H_
namespace hlsl {
+#include "hlsl_details.h"
// Note: Functions in this file are sorted alphabetically, then grouped by base
// element type, and the element types are sorted by size, then singed integer,
@@ -395,32 +396,16 @@ float4 asin(float4);
/// \brief Interprets the bit pattern of x as an unsigned integer.
/// \param Val The input value.
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint asuint(int);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint2 asuint(int2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint3 asuint(int3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint4 asuint(int4);
-
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint asuint(uint);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint2 asuint(uint2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint3 asuint(uint3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint4 asuint(uint4);
-
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint asuint(float);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint2 asuint(float2);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint3 asuint(float3);
-_HLSL_BUILTIN_ALIAS(__builtin_hlsl_bit_cast_32)
-uint4 asuint(float4);
+template <typename T, int N>
+HLSL_BUILTIN_ATTRIBUTES vector<uint, N>
+asuint(vector<T, N> V) {
+ return __details::bit_cast<uint, T, N>(V);
+}
+
+template <typename T>
+HLSL_BUILTIN_ATTRIBUTES uint asuint(T F) {
+ return __details::bit_cast<uint, T>(F);
+}
//===----------------------------------------------------------------------===//
// atan builtins
diff --git a/clang/lib/Sema/SemaHLSL.cpp b/clang/lib/Sema/SemaHLSL.cpp
index b7e3476fd6f6c5..4e44813fe515ce 100644
--- a/clang/lib/Sema/SemaHLSL.cpp
+++ b/clang/lib/Sema/SemaHLSL.cpp
@@ -1497,18 +1497,6 @@ bool CheckAllArgsHaveFloatRepresentation(Sema *S, CallExpr *TheCall) {
checkAllFloatTypes);
}
-bool CheckNotFloatAndInt(Sema *S, CallExpr *TheCall) {
- auto checkFloat = [](clang::QualType PassedType) -> bool {
- clang::QualType BaseType =
- PassedType->isVectorType()
- ? PassedType->getAs<clang::VectorType>()->getElementType()
- : PassedType;
- return !(BaseType->isFloat32Type() || BaseType->isIntegerType());
- };
-
- return CheckArgsTypesAreCorrect(S, TheCall, S->Context.FloatTy, checkFloat);
-}
-
bool CheckFloatOrHalfRepresentations(Sema *S, CallExpr *TheCall) {
auto checkFloatorHalf = [](clang::QualType PassedType) -> bool {
clang::QualType BaseType =
@@ -1766,14 +1754,6 @@ bool SemaHLSL::CheckBuiltinFunctionCall(unsigned BuiltinID, CallExpr *TheCall) {
return true;
break;
}
- case Builtin::BI__builtin_hlsl_bit_cast_32: {
- if (SemaRef.checkArgCount(TheCall, 1))
- return true;
-
- if (CheckNotFloatAndInt(&SemaRef, TheCall))
- return true;
- break;
- }
case Builtin::BI__builtin_elementwise_acos:
case Builtin::BI__builtin_elementwise_asin:
case Builtin::BI__builtin_elementwise_atan:
diff --git a/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl b/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
new file mode 100644
index 00000000000000..a1f901139c468b
--- /dev/null
+++ b/clang/test/SemaHLSL/BuiltIns/asuint-errors.hlsl
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected
+
+
+uint4 test_asuint_too_many_arg(float p0, float p1) {
+ return asuint(p0, p1);
+ // expected-error at -1 {{no matching function for call to 'asuint'}}
+}
+
+uint test_asuint_double(double p1) {
+ return asuint(p1);
+ // expected-error at -1{clang/20/include/hlsl/hlsl_details.h} {{static assertion failed due to requirement 'sizeof(unsigned int) == sizeof(double)'}}
+}
+
+
+uint test_asuint_half(half p1) {
+ return asuint(p1);
+ // expected-error at -1{clang/20/include/hlsl/hlsl_details.h} {{static assertion failed due to requirement 'sizeof(unsigned int) == sizeof(half)'}}
+}
diff --git a/clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl b/clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
deleted file mode 100644
index ff0108e353c1b7..00000000000000
--- a/clang/test/SemaHLSL/BuiltIns/bit-cast-32-errors.hlsl
+++ /dev/null
@@ -1,18 +0,0 @@
-// RUN: %clang_cc1 -finclude-default-header -triple dxil-pc-shadermodel6.6-library %s -fnative-half-type -emit-llvm-only -disable-llvm-passes -verify -verify-ignore-unexpected
-
-
-uint4 test_asuint_too_many_arg(float p0, float p1) {
- return __builtin_hlsl_bit_cast_32(p0, p1);
- // expected-error at -1 {{too many arguments to function call, expected 1, have 2}}
-}
-
-uint test_asuint_double(double p1) {
- return __builtin_hlsl_bit_cast_32(p1);
- // expected-error at -1 {{passing 'double' to parameter of incompatible type 'float'}}
-}
-
-
-uint test_asuint_half(half p1) {
- return __builtin_hlsl_bit_cast_32(p1);
- // expected-error at -1 {{passing 'double' to parameter of incompatible type 'float'}}
-}
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