This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGb55ea2fbc0a0: [Clang] Add __builtin_reduce_xor (authored by
junaire, committed by fhahn).
Changed prior to commit:
https://reviews.llvm.org/D115231?vs=395791&id=395814#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D115231/new/
https://reviews.llvm.org/D115231
Files:
clang/include/clang/Basic/Builtins.def
clang/include/clang/Basic/DiagnosticSemaKinds.td
clang/include/clang/Sema/Sema.h
clang/lib/CodeGen/CGBuiltin.cpp
clang/lib/Sema/SemaChecking.cpp
clang/test/CodeGen/builtins-reduction-math.c
clang/test/Sema/builtins-reduction-math.c
Index: clang/test/Sema/builtins-reduction-math.c
===================================================================
--- clang/test/Sema/builtins-reduction-math.c
+++ clang/test/Sema/builtins-reduction-math.c
@@ -35,3 +35,20 @@
i = __builtin_reduce_min(i);
// expected-error@-1 {{1st argument must be a vector type (was 'int')}}
}
+
+void test_builtin_reduce_xor(int i, float4 v, int3 iv) {
+ struct Foo s = __builtin_reduce_xor(iv);
+ // expected-error@-1 {{initializing 'struct Foo' with an expression of incompatible type 'int'}}
+
+ i = __builtin_reduce_xor();
+ // expected-error@-1 {{too few arguments to function call, expected 1, have 0}}
+
+ i = __builtin_reduce_xor(iv, iv);
+ // expected-error@-1 {{too many arguments to function call, expected 1, have 2}}
+
+ i = __builtin_reduce_xor(i);
+ // expected-error@-1 {{1st argument must be a vector of integers (was 'int')}}
+
+ i = __builtin_reduce_xor(v);
+ // expected-error@-1 {{1st argument must be a vector of integers (was 'float4' (vector of 4 'float' values))}}
+}
Index: clang/test/CodeGen/builtins-reduction-math.c
===================================================================
--- clang/test/CodeGen/builtins-reduction-math.c
+++ clang/test/CodeGen/builtins-reduction-math.c
@@ -57,3 +57,14 @@
const si8 cvi1 = vi1;
unsigned long long r5 = __builtin_reduce_min(cvi1);
}
+
+void test_builtin_reduce_xor(si8 vi1, u4 vu1) {
+
+ // CHECK: [[VI1:%.+]] = load <8 x i16>, <8 x i16>* %vi1.addr, align 16
+ // CHECK-NEXT: call i16 @llvm.vector.reduce.xor.v8i16(<8 x i16> [[VI1]])
+ short r2 = __builtin_reduce_xor(vi1);
+
+ // CHECK: [[VU1:%.+]] = load <4 x i32>, <4 x i32>* %vu1.addr, align 16
+ // CHECK-NEXT: call i32 @llvm.vector.reduce.xor.v4i32(<4 x i32> [[VU1]])
+ unsigned r3 = __builtin_reduce_xor(vu1);
+}
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -2216,10 +2216,38 @@
return ExprError();
break;
case Builtin::BI__builtin_reduce_max:
- case Builtin::BI__builtin_reduce_min:
- if (SemaBuiltinReduceMath(TheCall))
+ case Builtin::BI__builtin_reduce_min: {
+ if (PrepareBuiltinReduceMathOneArgCall(TheCall))
return ExprError();
+
+ const Expr *Arg = TheCall->getArg(0);
+ const auto *TyA = Arg->getType()->getAs<VectorType>();
+ if (!TyA) {
+ Diag(Arg->getBeginLoc(), diag::err_builtin_invalid_arg_type)
+ << 1 << /* vector ty*/ 4 << Arg->getType();
+ return ExprError();
+ }
+
+ TheCall->setType(TyA->getElementType());
break;
+ }
+
+ // __builtin_reduce_xor supports vector of integers only.
+ case Builtin::BI__builtin_reduce_xor: {
+ if (PrepareBuiltinReduceMathOneArgCall(TheCall))
+ return ExprError();
+
+ const Expr *Arg = TheCall->getArg(0);
+ const auto *TyA = Arg->getType()->getAs<VectorType>();
+ if (!TyA || !TyA->getElementType()->isIntegerType()) {
+ Diag(Arg->getBeginLoc(), diag::err_builtin_invalid_arg_type)
+ << 1 << /* vector of integers */ 6 << Arg->getType();
+ return ExprError();
+ }
+ TheCall->setType(TyA->getElementType());
+ break;
+ }
+
case Builtin::BI__builtin_matrix_transpose:
return SemaBuiltinMatrixTranspose(TheCall, TheCallResult);
@@ -16882,7 +16910,7 @@
return false;
}
-bool Sema::SemaBuiltinReduceMath(CallExpr *TheCall) {
+bool Sema::PrepareBuiltinReduceMathOneArgCall(CallExpr *TheCall) {
if (checkArgCount(*this, TheCall, 1))
return true;
@@ -16891,14 +16919,6 @@
return true;
TheCall->setArg(0, A.get());
- const VectorType *TyA = A.get()->getType()->getAs<VectorType>();
- if (!TyA) {
- SourceLocation ArgLoc = TheCall->getArg(0)->getBeginLoc();
- return Diag(ArgLoc, diag::err_builtin_invalid_arg_type)
- << 1 << /* vector ty*/ 4 << A.get()->getType();
- }
-
- TheCall->setType(TyA->getElementType());
return false;
}
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -3211,6 +3211,13 @@
return RValue::get(Result);
}
+ case Builtin::BI__builtin_reduce_xor: {
+ Value *Op0 = EmitScalarExpr(E->getArg(0));
+ Value *Result = Builder.CreateUnaryIntrinsic(
+ llvm::Intrinsic::vector_reduce_xor, Op0, nullptr, "rdx.xor");
+ return RValue::get(Result);
+ }
+
case Builtin::BI__builtin_matrix_transpose: {
const auto *MatrixTy = E->getArg(0)->getType()->getAs<ConstantMatrixType>();
Value *MatValue = EmitScalarExpr(E->getArg(0));
Index: clang/include/clang/Sema/Sema.h
===================================================================
--- clang/include/clang/Sema/Sema.h
+++ clang/include/clang/Sema/Sema.h
@@ -12784,7 +12784,7 @@
bool SemaBuiltinElementwiseMath(CallExpr *TheCall);
bool PrepareBuiltinElementwiseMathOneArgCall(CallExpr *TheCall);
- bool SemaBuiltinReduceMath(CallExpr *TheCall);
+ bool PrepareBuiltinReduceMathOneArgCall(CallExpr *TheCall);
// Matrix builtin handling.
ExprResult SemaBuiltinMatrixTranspose(CallExpr *TheCall,
Index: clang/include/clang/Basic/DiagnosticSemaKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticSemaKinds.td
+++ clang/include/clang/Basic/DiagnosticSemaKinds.td
@@ -11378,7 +11378,8 @@
"%select{vector, integer or floating point type|matrix|"
"pointer to a valid matrix element type|"
"signed integer or floating point type|vector type|"
- "floating point type}1 (was %2)">;
+ "floating point type|"
+ "vector of integers}1 (was %2)">;
def err_builtin_matrix_disabled: Error<
"matrix types extension is disabled. Pass -fenable-matrix to enable it">;
Index: clang/include/clang/Basic/Builtins.def
===================================================================
--- clang/include/clang/Basic/Builtins.def
+++ clang/include/clang/Basic/Builtins.def
@@ -649,6 +649,7 @@
BUILTIN(__builtin_elementwise_ceil, "v.", "nct")
BUILTIN(__builtin_reduce_max, "v.", "nct")
BUILTIN(__builtin_reduce_min, "v.", "nct")
+BUILTIN(__builtin_reduce_xor, "v.", "nct")
BUILTIN(__builtin_matrix_transpose, "v.", "nFt")
BUILTIN(__builtin_matrix_column_major_load, "v.", "nFt")
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