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Intrinsics: introduce llvm_any_ty aka ValueType Any

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Specifically, gc.result benefits from this greatly. Instead of:

gc.result.int.*
gc.result.float.*
gc.result.ptr.*
...

We now have a gc.result.* that can specialize to literally any type.

Differential Revision: http://reviews.llvm.org/D7020

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226857 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ramkumar Ramachandra
2015-01-22 20:14:38 +00:00
parent 7ed0364cee
commit 230796b278
15 changed files with 58 additions and 53 deletions
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19
include/llvm/IR/Intrinsics.h
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@@ -41,7 +41,7 @@ namespace Intrinsic {
#undef GET_INTRINSIC_ENUM_VALUES
, num_intrinsics
};
/// Return the LLVM name for an intrinsic, such as "llvm.ppc.altivec.lvx".
std::string getName(ID id, ArrayRef<Type*> Tys = None);
@@ -69,7 +69,7 @@ namespace Intrinsic {
/// Map a MS builtin name to an intrinsic ID.
ID getIntrinsicForMSBuiltin(const char *Prefix, const char *BuiltinName);
/// This is a type descriptor which explains the type requirements of an
/// intrinsic. This is returned by getIntrinsicInfoTableEntries.
struct IITDescriptor {
@@ -79,7 +79,7 @@ namespace Intrinsic {
Argument, ExtendArgument, TruncArgument, HalfVecArgument,
SameVecWidthArgument, PtrToArgument
} Kind;
union {
unsigned Integer_Width;
unsigned Float_Width;
@@ -88,8 +88,9 @@ namespace Intrinsic {
unsigned Struct_NumElements;
unsigned Argument_Info;
};
enum ArgKind {
AK_Any,
AK_AnyInteger,
AK_AnyFloat,
AK_AnyVector,
@@ -99,25 +100,25 @@ namespace Intrinsic {
assert(Kind == Argument || Kind == ExtendArgument ||
Kind == TruncArgument || Kind == HalfVecArgument ||
Kind == SameVecWidthArgument || Kind == PtrToArgument);
return Argument_Info >> 2;
return Argument_Info >> 3;
}
ArgKind getArgumentKind() const {
assert(Kind == Argument || Kind == ExtendArgument ||
Kind == TruncArgument || Kind == HalfVecArgument ||
Kind == SameVecWidthArgument || Kind == PtrToArgument);
return (ArgKind)(Argument_Info & 3);
return (ArgKind)(Argument_Info & 7);
}
static IITDescriptor get(IITDescriptorKind K, unsigned Field) {
IITDescriptor Result = { K, { Field } };
return Result;
}
};
/// Return the IIT table descriptor for the specified intrinsic into an array
/// of IITDescriptors.
void getIntrinsicInfoTableEntries(ID id, SmallVectorImpl<IITDescriptor> &T);
} // End Intrinsic namespace
} // End llvm namespace