atrosinenko updated this revision to Diff 288305.
atrosinenko added a comment.
- Rebase onto current master branch
- Add a dummy `switch` case with `FIXME`, as suggested by @aaron.ballman
- Applied a couple of style fixes proposed by linter
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D84602/new/
https://reviews.llvm.org/D84602
Files:
clang/include/clang/Basic/Attr.td
clang/include/clang/Basic/Specifiers.h
clang/lib/AST/ItaniumMangle.cpp
clang/lib/AST/Type.cpp
clang/lib/AST/TypePrinter.cpp
clang/lib/Basic/Targets/MSP430.h
clang/lib/CodeGen/CGCall.cpp
clang/lib/CodeGen/CGDebugInfo.cpp
clang/lib/Sema/SemaDeclAttr.cpp
clang/lib/Sema/SemaType.cpp
clang/test/CodeGen/msp430-cc-builtin.c
clang/test/Sema/attr-msp430.c
clang/tools/libclang/CXType.cpp
llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
Index: llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
===================================================================
--- llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
+++ llvm/lib/Target/MSP430/MSP430ISelLowering.cpp
@@ -573,6 +573,7 @@
report_fatal_error("Unsupported calling convention");
case CallingConv::C:
case CallingConv::Fast:
+ case CallingConv::MSP430_BUILTIN:
return LowerCCCArguments(Chain, CallConv, isVarArg, Ins, dl, DAG, InVals);
case CallingConv::MSP430_INTR:
if (Ins.empty())
Index: clang/tools/libclang/CXType.cpp
===================================================================
--- clang/tools/libclang/CXType.cpp
+++ clang/tools/libclang/CXType.cpp
@@ -666,6 +666,7 @@
TCALLINGCONV(Swift);
TCALLINGCONV(PreserveMost);
TCALLINGCONV(PreserveAll);
+ case CC_MSP430Builtin: return CXCallingConv_Unexposed;
case CC_SpirFunction: return CXCallingConv_Unexposed;
case CC_OpenCLKernel: return CXCallingConv_Unexposed;
break;
Index: clang/test/Sema/attr-msp430.c
===================================================================
--- clang/test/Sema/attr-msp430.c
+++ clang/test/Sema/attr-msp430.c
@@ -11,3 +11,7 @@
__attribute__((interrupt(0))) void f6(void);
__attribute__((interrupt(63))) void f7(void);
+
+__attribute__((msp430_builtin)) int t2; // expected-warning {{'msp430_builtin' only applies to function types; type here is 'int'}}
+__attribute__((msp430_builtin(1))) void f8(long long a, long long b); // expected-error {{'msp430_builtin' attribute takes no arguments}}
+__attribute__((msp430_builtin)) void f9(long long a, long long b);
Index: clang/test/CodeGen/msp430-cc-builtin.c
===================================================================
--- /dev/null
+++ clang/test/CodeGen/msp430-cc-builtin.c
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -triple msp430 -emit-llvm < %s | FileCheck %s
+
+__attribute__((msp430_builtin)) int f(long long x, long long y);
+
+__attribute__((msp430_builtin)) int g(long long x, long long y) {
+ return (int)42;
+}
+// CHECK: define cc94 {{(dso_local )?}}i16 @g(i64 %x, i64 %y)
+
+int caller() {
+ return f(0, 0);
+// CHECK: call cc94 i16 @f
+}
+
+// CHECK: declare cc94 {{(dso_local )?}}i16 @f(i64, i64)
Index: clang/lib/Sema/SemaType.cpp
===================================================================
--- clang/lib/Sema/SemaType.cpp
+++ clang/lib/Sema/SemaType.cpp
@@ -124,7 +124,8 @@
case ParsedAttr::AT_Pcs: \
case ParsedAttr::AT_IntelOclBicc: \
case ParsedAttr::AT_PreserveMost: \
- case ParsedAttr::AT_PreserveAll
+ case ParsedAttr::AT_PreserveAll: \
+ case ParsedAttr::AT_MSP430Builtin
// Function type attributes.
#define FUNCTION_TYPE_ATTRS_CASELIST \
@@ -7304,6 +7305,8 @@
return createSimpleAttr<PreserveMostAttr>(Ctx, Attr);
case ParsedAttr::AT_PreserveAll:
return createSimpleAttr<PreserveAllAttr>(Ctx, Attr);
+ case ParsedAttr::AT_MSP430Builtin:
+ return createSimpleAttr<MSP430BuiltinAttr>(Ctx, Attr);
}
llvm_unreachable("unexpected attribute kind!");
}
Index: clang/lib/Sema/SemaDeclAttr.cpp
===================================================================
--- clang/lib/Sema/SemaDeclAttr.cpp
+++ clang/lib/Sema/SemaDeclAttr.cpp
@@ -4476,6 +4476,9 @@
case ParsedAttr::AT_PreserveAll:
D->addAttr(::new (S.Context) PreserveAllAttr(S.Context, AL));
return;
+ case ParsedAttr::AT_MSP430Builtin:
+ D->addAttr(::new (S.Context) MSP430BuiltinAttr(S.Context, AL));
+ return;
default:
llvm_unreachable("unexpected attribute kind");
}
@@ -4641,6 +4644,9 @@
case ParsedAttr::AT_PreserveAll:
CC = CC_PreserveAll;
break;
+ case ParsedAttr::AT_MSP430Builtin:
+ CC = CC_MSP430Builtin;
+ break;
default: llvm_unreachable("unexpected attribute kind");
}
@@ -7296,6 +7302,7 @@
case ParsedAttr::AT_PreserveMost:
case ParsedAttr::AT_PreserveAll:
case ParsedAttr::AT_AArch64VectorPcs:
+ case ParsedAttr::AT_MSP430Builtin:
handleCallConvAttr(S, D, AL);
break;
case ParsedAttr::AT_Suppress:
Index: clang/lib/CodeGen/CGDebugInfo.cpp
===================================================================
--- clang/lib/CodeGen/CGDebugInfo.cpp
+++ clang/lib/CodeGen/CGDebugInfo.cpp
@@ -1247,6 +1247,9 @@
return llvm::dwarf::DW_CC_LLVM_PreserveAll;
case CC_X86RegCall:
return llvm::dwarf::DW_CC_LLVM_X86RegCall;
+ case CC_MSP430Builtin:
+ // FIXME: Currently unsupported
+ break;
}
return 0;
}
Index: clang/lib/CodeGen/CGCall.cpp
===================================================================
--- clang/lib/CodeGen/CGCall.cpp
+++ clang/lib/CodeGen/CGCall.cpp
@@ -65,6 +65,7 @@
case CC_PreserveMost: return llvm::CallingConv::PreserveMost;
case CC_PreserveAll: return llvm::CallingConv::PreserveAll;
case CC_Swift: return llvm::CallingConv::Swift;
+ case CC_MSP430Builtin: return llvm::CallingConv::MSP430_BUILTIN;
}
}
@@ -239,6 +240,9 @@
if (D->hasAttr<PreserveAllAttr>())
return CC_PreserveAll;
+ if (D->hasAttr<MSP430BuiltinAttr>())
+ return CC_MSP430Builtin;
+
return CC_C;
}
Index: clang/lib/Basic/Targets/MSP430.h
===================================================================
--- clang/lib/Basic/Targets/MSP430.h
+++ clang/lib/Basic/Targets/MSP430.h
@@ -96,6 +96,16 @@
// FIXME: implement
return TargetInfo::CharPtrBuiltinVaList;
}
+
+ CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
+ switch (CC) {
+ default:
+ return CCCR_Warning;
+ case CC_C:
+ case CC_MSP430Builtin:
+ return CCCR_OK;
+ }
+ }
};
} // namespace targets
Index: clang/lib/AST/TypePrinter.cpp
===================================================================
--- clang/lib/AST/TypePrinter.cpp
+++ clang/lib/AST/TypePrinter.cpp
@@ -940,6 +940,9 @@
case CC_PreserveAll:
OS << " __attribute__((preserve_all))";
break;
+ case CC_MSP430Builtin:
+ OS << " __attribute__((msp430_builtin))";
+ break;
}
}
@@ -1637,6 +1640,9 @@
case attr::ArmSveVectorBits:
OS << "arm_sve_vector_bits";
break;
+ case attr::MSP430Builtin:
+ OS << "msp430_builtin";
+ break;
}
OS << "))";
}
Index: clang/lib/AST/Type.cpp
===================================================================
--- clang/lib/AST/Type.cpp
+++ clang/lib/AST/Type.cpp
@@ -3110,6 +3110,7 @@
case CC_Swift: return "swiftcall";
case CC_PreserveMost: return "preserve_most";
case CC_PreserveAll: return "preserve_all";
+ case CC_MSP430Builtin: return "msp430_builtin";
}
llvm_unreachable("Invalid calling convention.");
@@ -3530,6 +3531,7 @@
case attr::IntelOclBicc:
case attr::PreserveMost:
case attr::PreserveAll:
+ case attr::MSP430Builtin:
return true;
}
llvm_unreachable("invalid attr kind");
Index: clang/lib/AST/ItaniumMangle.cpp
===================================================================
--- clang/lib/AST/ItaniumMangle.cpp
+++ clang/lib/AST/ItaniumMangle.cpp
@@ -2879,6 +2879,7 @@
case CC_OpenCLKernel:
case CC_PreserveMost:
case CC_PreserveAll:
+ case CC_MSP430Builtin:
// FIXME: we should be mangling all of the above.
return "";
Index: clang/include/clang/Basic/Specifiers.h
===================================================================
--- clang/include/clang/Basic/Specifiers.h
+++ clang/include/clang/Basic/Specifiers.h
@@ -286,6 +286,7 @@
CC_PreserveMost, // __attribute__((preserve_most))
CC_PreserveAll, // __attribute__((preserve_all))
CC_AArch64VectorCall, // __attribute__((aarch64_vector_pcs))
+ CC_MSP430Builtin, // __attribute__((msp430_builtin))
};
/// Checks whether the given calling convention supports variadic
Index: clang/include/clang/Basic/Attr.td
===================================================================
--- clang/include/clang/Basic/Attr.td
+++ clang/include/clang/Basic/Attr.td
@@ -1474,6 +1474,12 @@
let Documentation = [Undocumented];
}
+// For internal use by compiler-rt
+def MSP430Builtin : DeclOrTypeAttr, TargetSpecificAttr<TargetMSP430> {
+ let Spellings = [Clang<"msp430_builtin">];
+ let Documentation = [Undocumented];
+}
+
def Mips16 : InheritableAttr, TargetSpecificAttr<TargetMips32> {
let Spellings = [GCC<"mips16">];
let Subjects = SubjectList<[Function], ErrorDiag>;
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