This revision was automatically updated to reflect the committed changes.
Closed by commit rG8b0ea4874093: [Clang][CUDA] Disable diagnostics for neon
attrs for GPU-side CUDA compilation (authored by alexander-shaposhnikov).
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D152403/new/
https://reviews.llvm.org/D152403
Files:
clang/lib/Sema/SemaType.cpp
clang/test/SemaCUDA/neon-attrs.cu
Index: clang/test/SemaCUDA/neon-attrs.cu
===================================================================
--- /dev/null
+++ clang/test/SemaCUDA/neon-attrs.cu
@@ -0,0 +1,21 @@
+// CPU-side compilation on ARM with neon enabled (no errors expected).
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -aux-triple
nvptx64 -x cuda -fsyntax-only -verify=quiet %s
+
+// CPU-side compilation on ARM with neon disabled.
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature -neon -aux-triple
nvptx64 -x cuda -fsyntax-only -verify %s
+
+// GPU-side compilation on ARM (no errors expected).
+// RUN: %clang_cc1 -triple nvptx64 -aux-triple arm64-linux-gnu
-fcuda-is-device -x cuda -fsyntax-only -verify=quiet %s
+
+// Regular C++ compilation on ARM with neon enabled (no errors expected).
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -x c++
-fsyntax-only -verify=quiet %s
+
+// Regular C++ compilation on ARM with neon disabled.
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature -neon -x c++
-fsyntax-only -verify %s
+
+// quiet-no-diagnostics
+typedef __attribute__((neon_vector_type(4))) float float32x4_t;
+// expected-error@-1 {{'neon_vector_type' attribute is not supported on
targets missing 'neon' or 'mve'}}
+typedef unsigned char poly8_t;
+typedef __attribute__((neon_polyvector_type(8))) poly8_t poly8x8_t;
+// expected-error@-1 {{'neon_polyvector_type' attribute is not supported on
targets missing 'neon' or 'mve'}}
Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -8169,10 +8169,18 @@
/// match one of the standard Neon vector types.
static void HandleNeonVectorTypeAttr(QualType &CurType, const ParsedAttr &Attr,
Sema &S, VectorType::VectorKind VecKind) {
+ bool IsTargetCUDAAndHostARM = false;
+ if (S.getLangOpts().CUDAIsDevice) {
+ const TargetInfo *AuxTI = S.getASTContext().getAuxTargetInfo();
+ IsTargetCUDAAndHostARM =
+ AuxTI && (AuxTI->getTriple().isAArch64() ||
AuxTI->getTriple().isARM());
+ }
+
// Target must have NEON (or MVE, whose vectors are similar enough
// not to need a separate attribute)
- if (!S.Context.getTargetInfo().hasFeature("neon") &&
- !S.Context.getTargetInfo().hasFeature("mve")) {
+ if (!(S.Context.getTargetInfo().hasFeature("neon") ||
+ S.Context.getTargetInfo().hasFeature("mve") ||
+ IsTargetCUDAAndHostARM)) {
S.Diag(Attr.getLoc(), diag::err_attribute_unsupported)
<< Attr << "'neon' or 'mve'";
Attr.setInvalid();
@@ -8180,8 +8188,8 @@
}
// Check the attribute arguments.
if (Attr.getNumArgs() != 1) {
- S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << Attr
- << 1;
+ S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments)
+ << Attr << 1;
Attr.setInvalid();
return;
}
@@ -8191,7 +8199,8 @@
return;
// Only certain element types are supported for Neon vectors.
- if (!isPermittedNeonBaseType(CurType, VecKind, S)) {
+ if (!isPermittedNeonBaseType(CurType, VecKind, S) &&
+ !IsTargetCUDAAndHostARM) {
S.Diag(Attr.getLoc(), diag::err_attribute_invalid_vector_type) << CurType;
Attr.setInvalid();
return;
Index: clang/test/SemaCUDA/neon-attrs.cu
===================================================================
--- /dev/null
+++ clang/test/SemaCUDA/neon-attrs.cu
@@ -0,0 +1,21 @@
+// CPU-side compilation on ARM with neon enabled (no errors expected).
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -aux-triple nvptx64 -x cuda -fsyntax-only -verify=quiet %s
+
+// CPU-side compilation on ARM with neon disabled.
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature -neon -aux-triple nvptx64 -x cuda -fsyntax-only -verify %s
+
+// GPU-side compilation on ARM (no errors expected).
+// RUN: %clang_cc1 -triple nvptx64 -aux-triple arm64-linux-gnu -fcuda-is-device -x cuda -fsyntax-only -verify=quiet %s
+
+// Regular C++ compilation on ARM with neon enabled (no errors expected).
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature +neon -x c++ -fsyntax-only -verify=quiet %s
+
+// Regular C++ compilation on ARM with neon disabled.
+// RUN: %clang_cc1 -triple arm64-linux-gnu -target-feature -neon -x c++ -fsyntax-only -verify %s
+
+// quiet-no-diagnostics
+typedef __attribute__((neon_vector_type(4))) float float32x4_t;
+// expected-error@-1 {{'neon_vector_type' attribute is not supported on targets missing 'neon' or 'mve'}}
+typedef unsigned char poly8_t;
+typedef __attribute__((neon_polyvector_type(8))) poly8_t poly8x8_t;
+// expected-error@-1 {{'neon_polyvector_type' attribute is not supported on targets missing 'neon' or 'mve'}}
Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -8169,10 +8169,18 @@
/// match one of the standard Neon vector types.
static void HandleNeonVectorTypeAttr(QualType &CurType, const ParsedAttr &Attr,
Sema &S, VectorType::VectorKind VecKind) {
+ bool IsTargetCUDAAndHostARM = false;
+ if (S.getLangOpts().CUDAIsDevice) {
+ const TargetInfo *AuxTI = S.getASTContext().getAuxTargetInfo();
+ IsTargetCUDAAndHostARM =
+ AuxTI && (AuxTI->getTriple().isAArch64() || AuxTI->getTriple().isARM());
+ }
+
// Target must have NEON (or MVE, whose vectors are similar enough
// not to need a separate attribute)
- if (!S.Context.getTargetInfo().hasFeature("neon") &&
- !S.Context.getTargetInfo().hasFeature("mve")) {
+ if (!(S.Context.getTargetInfo().hasFeature("neon") ||
+ S.Context.getTargetInfo().hasFeature("mve") ||
+ IsTargetCUDAAndHostARM)) {
S.Diag(Attr.getLoc(), diag::err_attribute_unsupported)
<< Attr << "'neon' or 'mve'";
Attr.setInvalid();
@@ -8180,8 +8188,8 @@
}
// Check the attribute arguments.
if (Attr.getNumArgs() != 1) {
- S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << Attr
- << 1;
+ S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments)
+ << Attr << 1;
Attr.setInvalid();
return;
}
@@ -8191,7 +8199,8 @@
return;
// Only certain element types are supported for Neon vectors.
- if (!isPermittedNeonBaseType(CurType, VecKind, S)) {
+ if (!isPermittedNeonBaseType(CurType, VecKind, S) &&
+ !IsTargetCUDAAndHostARM) {
S.Diag(Attr.getLoc(), diag::err_attribute_invalid_vector_type) << CurType;
Attr.setInvalid();
return;
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