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Add some attributes to runtime calls, to provide the standard LLVM optimization

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passes with more information.
This commit is contained in:
Frits van Bommel
2009-04-29 17:47:24 +02:00
parent b9849d86b6
commit b6a6391116
2 changed files with 120 additions and 47 deletions
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153
gen/runtime.cpp
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@@ -1,5 +1,6 @@
#include "gen/llvm.h"
#include "llvm/Module.h"
#include "llvm/Attributes.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/CommandLine.h"
@@ -16,6 +17,8 @@
#include "gen/tollvm.h"
#include "gen/irstate.h"
using namespace llvm::Attribute;
//////////////////////////////////////////////////////////////////////////////////////////////////
static llvm::cl::opt<bool> noruntime("noruntime",
@@ -190,6 +193,36 @@ static void LLVM_D_BuildRuntimeModule()
/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////
// Construct some attribute lists used below (possibly multiple times)
llvm::AttrListPtr
NoAttrs,
Attr_NoAlias
= NoAttrs.addAttr(0, NoAlias),
Attr_ReadOnly
= NoAttrs.addAttr(~0U, ReadOnly),
Attr_ReadOnly_1_NoCapture
= Attr_ReadOnly.addAttr(1, NoCapture),
Attr_ReadOnly_1_3_NoCapture
= Attr_ReadOnly_1_NoCapture.addAttr(3, NoCapture),
Attr_ReadOnly_1_4_NoCapture
= Attr_ReadOnly_1_NoCapture.addAttr(4, NoCapture),
Attr_ReadNone
= NoAttrs.addAttr(~0U, ReadNone),
Attr_1_NoCapture
= NoAttrs.addAttr(1, NoCapture),
Attr_NoAlias_1_NoCapture
= Attr_1_NoCapture.addAttr(0, NoAlias),
Attr_NoAlias_3_NoCapture
= Attr_NoAlias.addAttr(3, NoCapture),
Attr_1_3_NoCapture
= Attr_1_NoCapture.addAttr(3, NoCapture),
Attr_1_4_NoCapture
= Attr_1_NoCapture.addAttr(4, NoCapture);
/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////
// void _d_assert( char[] file, uint line )
// void _d_array_bounds( char[] file, uint line )
// void _d_switch_error( char[] file, uint line )
@@ -227,7 +260,8 @@ static void LLVM_D_BuildRuntimeModule()
std::vector<const LLType*> types;
types.push_back(typeInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias);
}
// void* _d_newarrayT(TypeInfo ti, size_t length)
@@ -241,9 +275,12 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(typeInfoTy);
types.push_back(sizeTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname3, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_NoAlias);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname3, M)
->setAttributes(Attr_NoAlias);
}
// void* _d_newarraymT(TypeInfo ti, size_t length, size_t* dims)
@@ -258,9 +295,12 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(rt_ptr(sizeTy));
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname3, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias_3_NoCapture);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_NoAlias_3_NoCapture);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname3, M)
->setAttributes(Attr_NoAlias_3_NoCapture);
}
// void* _d_arraysetlengthT(TypeInfo ti, size_t newlength, size_t plength, void* pdata)
@@ -274,8 +314,13 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
// ReadOnly is not technically true, but close enough: It only writes
// to memory the caller doesn't know about.
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_NoAlias);
}
// Object _d_allocclass(ClassInfo ci)
@@ -284,7 +329,8 @@ static void LLVM_D_BuildRuntimeModule()
std::vector<const LLType*> types;
types.push_back(classInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias);
}
// void _d_delarray(size_t plength, void* pdata)
@@ -334,7 +380,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy); \
types.push_back(TY); \
const llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, types, false); \
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M); \
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M) \
->setAttributes(Attr_1_NoCapture); \
}
ARRAY_INIT(boolTy,"i1")
@@ -362,7 +409,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(voidPtrTy);
types.push_back(sizeTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_3_NoCapture);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -448,7 +496,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(sizeTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(sizeTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadNone);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -462,7 +511,8 @@ static void LLVM_D_BuildRuntimeModule()
std::vector<const LLType*> types;
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// cast interface
@@ -473,7 +523,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(voidPtrTy);
types.push_back(classInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// dynamic cast
@@ -484,7 +535,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(objectTy);
types.push_back(classInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -532,7 +584,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(typeInfoTy);
types.push_back(rt_array(byteTy));
const llvm::FunctionType* fty = llvm::FunctionType::get(rt_array(byteTy), types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias);
}
// int _adEq(void[] a1, void[] a2, TypeInfo ti)
@@ -545,8 +598,10 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(rt_array(byteTy));
types.push_back(typeInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_ReadOnly);
}
// int _adCmpChar(void[] a1, void[] a2)
@@ -556,7 +611,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(rt_array(byteTy));
types.push_back(rt_array(byteTy));
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// void[] _adSort(void[] a, TypeInfo ti)
@@ -579,7 +635,8 @@ static void LLVM_D_BuildRuntimeModule()
std::vector<const LLType*> types;
types.push_back(aaTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(sizeTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly_1_NoCapture);
}
// void* _aaGet(AA* aa, TypeInfo keyti, size_t valuesize, void* pkey)
@@ -591,7 +648,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_4_NoCapture);
}
// void* _aaGetRvalue(AA aa, TypeInfo keyti, size_t valuesize, void* pkey)
@@ -603,7 +661,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly_1_4_NoCapture);
}
// void* _aaIn(AA aa, TypeInfo keyti, void* pkey)
@@ -614,7 +673,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(typeInfoTy);
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidPtrTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly_1_3_NoCapture);
}
// void _aaDel(AA aa, TypeInfo keyti, void* pkey)
@@ -625,7 +685,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(typeInfoTy);
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_3_NoCapture);
}
// void[] _aaValues(AA aa, size_t keysize, size_t valuesize)
@@ -636,7 +697,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(sizeTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(rt_array(byteTy), types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias_1_NoCapture);
}
// void* _aaRehash(AA* paa, TypeInfo keyti)
@@ -656,7 +718,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(aaTy);
types.push_back(sizeTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(rt_array(byteTy), types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_NoAlias_1_NoCapture);
}
// int _aaApply(AA aa, size_t keysize, dg_t dg)
@@ -667,7 +730,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(rt_dg1());
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_NoCapture);
}
// int _aaApply2(AA aa, size_t keysize, dg2_t dg)
@@ -678,7 +742,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(sizeTy);
types.push_back(rt_dg2());
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_NoCapture);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -700,15 +765,6 @@ static void LLVM_D_BuildRuntimeModule()
/////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////
// Object _d_toObject(void* p)
{
std::string fname("_d_toObject");
std::vector<const LLType*> types;
types.push_back(voidPtrTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
}
// Object _d_dynamic_cast(Object o, ClassInfo c)
{
std::string fname("_d_dynamic_cast");
@@ -716,7 +772,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(objectTy);
types.push_back(classInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// Object _d_interface_cast(void* p, ClassInfo c)
@@ -726,7 +783,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(voidPtrTy);
types.push_back(classInfoTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(objectTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -753,7 +811,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(rt_array(stringTy));
types.push_back(stringTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// int _d_switch_ustring(wchar[][] table, wchar[] ca)
@@ -763,7 +822,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(rt_array(wstringTy));
types.push_back(wstringTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
// int _d_switch_dstring(dchar[][] table, dchar[] ca)
@@ -773,7 +833,8 @@ static void LLVM_D_BuildRuntimeModule()
types.push_back(rt_array(dstringTy));
types.push_back(dstringTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(intTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_ReadOnly);
}
/////////////////////////////////////////////////////////////////////////////////////
@@ -800,8 +861,10 @@ static void LLVM_D_BuildRuntimeModule()
std::vector<const LLType*> types;
types.push_back(objectTy);
const llvm::FunctionType* fty = llvm::FunctionType::get(voidTy, types, false);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname, M)
->setAttributes(Attr_1_NoCapture);
llvm::Function::Create(fty, llvm::GlobalValue::ExternalLinkage, fname2, M)
->setAttributes(Attr_1_NoCapture);
}
/////////////////////////////////////////////////////////////////////////////////////