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Diffstat (limited to 'src/mesa/pipe/llvm/instructions.cpp')
-rw-r--r--src/mesa/pipe/llvm/instructions.cpp181
1 files changed, 5 insertions, 176 deletions
diff --git a/src/mesa/pipe/llvm/instructions.cpp b/src/mesa/pipe/llvm/instructions.cpp
index 3c68b764aa..4e116f2a98 100644
--- a/src/mesa/pipe/llvm/instructions.cpp
+++ b/src/mesa/pipe/llvm/instructions.cpp
@@ -48,7 +48,7 @@
using namespace llvm;
-Function* makeLitFunction(Module *mod);
+#include "gallivm_builtins.cpp"
static inline std::string createFuncName(int label)
{
@@ -70,6 +70,8 @@ Instructions::Instructions(llvm::Module *mod, llvm::Function *func, llvm::BasicB
m_llvmFlog = 0;
m_llvmLit = 0;
m_fmtPtr = 0;
+
+ createGallivmBuiltins(m_mod);
}
llvm::Value * Instructions::add(llvm::Value *in1, llvm::Value *in2)
@@ -214,7 +216,7 @@ llvm::Value *Instructions::callFAbs(llvm::Value *val)
llvm::Value * Instructions::lit(llvm::Value *in)
{
if (!m_llvmLit) {
- m_llvmLit = makeLitFunction(m_mod);
+ m_llvmLit = m_mod->getFunction("lit");
}
CallInst *call = new CallInst(m_llvmLit, in, name("litres"), m_block);
call->setCallingConv(CallingConv::C);
@@ -787,180 +789,6 @@ llvm::Value * Instructions::abs(llvm::Value *in)
return vectorFromVals(xabs, yabs, zabs, wabs);
}
-/*
-FIXME: hand write the lit function. Currently it's
-generated from:
-typedef __attribute__(( ocu_vector_type(4) )) float float4;
-
-extern float powf(float a, float b);
-
-inline float approx(float a, float b)
-{
- if (b < -128.0f) b = -128.0f;
- if (b > 128.0f) b = 128.0f;
- if (a < 0) a = 0;
- return powf(a, b);
-}
-
-float4 lit(float4 tmp)
-{
- float4 result;
- result.x = 1.0;
- result.w = 1.0;
- if (tmp.x > 0) {
- result.y = tmp.x;
- result.z = approx(tmp.y, tmp.w);
- } else {
- result.y = 0;
- result.z = 0;
- }
- return result;
-}
-with:
-clang --emit-llvm lit.c |llvm-as|opt -std-compile-opts|llvm2cpp -gen-contents -for=lit
-*/
-Function* makeLitFunction(Module *mod) {
-
- // Type Definitions
- std::vector<const Type*>FuncTy_0_args;
- FuncTy_0_args.push_back(Type::FloatTy);
- FuncTy_0_args.push_back(Type::FloatTy);
- ParamAttrsList *FuncTy_0_PAL = 0;
- FunctionType* FuncTy_0 = FunctionType::get(
- /*Result=*/Type::FloatTy,
- /*Params=*/FuncTy_0_args,
- /*isVarArg=*/false,
- /*ParamAttrs=*/FuncTy_0_PAL);
-
- VectorType* VectorTy_2 = VectorType::get(Type::FloatTy, 4);
-
- std::vector<const Type*>FuncTy_3_args;
- FuncTy_3_args.push_back(VectorTy_2);
- ParamAttrsList *FuncTy_3_PAL = 0;
- FunctionType* FuncTy_3 = FunctionType::get(
- /*Result=*/VectorTy_2,
- /*Params=*/FuncTy_3_args,
- /*isVarArg=*/false,
- /*ParamAttrs=*/FuncTy_3_PAL);
-
-
- // Function Declarations
-
- Function* func_approx = new Function(
- /*Type=*/FuncTy_0,
- /*Linkage=*/GlobalValue::ExternalLinkage,
- /*Name=*/"approx", mod);
- func_approx->setCallingConv(CallingConv::C);
-
- Function* func_powf = new Function(
- /*Type=*/FuncTy_0,
- /*Linkage=*/GlobalValue::ExternalLinkage,
- /*Name=*/"powf", mod); // (external, no body)
- func_powf->setCallingConv(CallingConv::C);
-
- Function* func_lit = new Function(
- /*Type=*/FuncTy_3,
- /*Linkage=*/GlobalValue::ExternalLinkage,
- /*Name=*/"lit", mod);
- func_lit->setCallingConv(CallingConv::C);
-
- // Global Variable Declarations
-
-
- // Constant Definitions
- ConstantFP* const_float_4 = ConstantFP::get(Type::FloatTy, APFloat(-1.280000e+02f));
- ConstantFP* const_float_5 = ConstantFP::get(Type::FloatTy, APFloat(1.280000e+02f));
- Constant* const_float_6 = Constant::getNullValue(Type::FloatTy);
- Constant* const_int32_7 = Constant::getNullValue(IntegerType::get(32));
- std::vector<Constant*> const_packed_8_elems;
- ConstantFP* const_float_9 = ConstantFP::get(Type::FloatTy, APFloat(1.000000e+00f));
- const_packed_8_elems.push_back(const_float_9);
- UndefValue* const_float_10 = UndefValue::get(Type::FloatTy);
- const_packed_8_elems.push_back(const_float_10);
- const_packed_8_elems.push_back(const_float_10);
- const_packed_8_elems.push_back(const_float_9);
- Constant* const_packed_8 = ConstantVector::get(VectorTy_2, const_packed_8_elems);
- ConstantInt* const_int32_11 = ConstantInt::get(APInt(32, "1", 10));
- ConstantInt* const_int32_12 = ConstantInt::get(APInt(32, "3", 10));
- ConstantInt* const_int32_13 = ConstantInt::get(APInt(32, "2", 10));
- std::vector<Constant*> const_packed_14_elems;
- const_packed_14_elems.push_back(const_float_9);
- const_packed_14_elems.push_back(const_float_6);
- const_packed_14_elems.push_back(const_float_6);
- const_packed_14_elems.push_back(const_float_9);
- Constant* const_packed_14 = ConstantVector::get(VectorTy_2, const_packed_14_elems);
-
- // Global Variable Definitions
-
- // Function Definitions
-
- // Function: approx (func_approx)
- {
- Function::arg_iterator args = func_approx->arg_begin();
- Value* float_a = args++;
- float_a->setName("a");
- Value* float_b = args++;
- float_b->setName("b");
-
- BasicBlock* label_entry = new BasicBlock("entry",func_approx,0);
-
- // Block entry (label_entry)
- FCmpInst* int1_cmp = new FCmpInst(FCmpInst::FCMP_OLT, float_b, const_float_4, "cmp", label_entry);
- SelectInst* float_b_addr_0 = new SelectInst(int1_cmp, const_float_4, float_b, "b.addr.0", label_entry);
- FCmpInst* int1_cmp3 = new FCmpInst(FCmpInst::FCMP_OGT, float_b_addr_0, const_float_5, "cmp3", label_entry);
- SelectInst* float_b_addr_1 = new SelectInst(int1_cmp3, const_float_5, float_b_addr_0, "b.addr.1", label_entry);
- FCmpInst* int1_cmp7 = new FCmpInst(FCmpInst::FCMP_OLT, float_a, const_float_6, "cmp7", label_entry);
- SelectInst* float_a_addr_0 = new SelectInst(int1_cmp7, const_float_6, float_a, "a.addr.0", label_entry);
- std::vector<Value*> float_call_params;
- float_call_params.push_back(float_a_addr_0);
- float_call_params.push_back(float_b_addr_1);
- CallInst* float_call = new CallInst(func_powf, float_call_params.begin(), float_call_params.end(), "call", label_entry);
- float_call->setCallingConv(CallingConv::C);
- float_call->setTailCall(true);
- new ReturnInst(float_call, label_entry);
- }
-
- // Function: lit (func_lit)
- {
- Function::arg_iterator args = func_lit->arg_begin();
- Value* packed_tmp = args++;
- packed_tmp->setName("tmp");
-
- BasicBlock* label_entry_16 = new BasicBlock("entry",func_lit,0);
- BasicBlock* label_ifthen = new BasicBlock("ifthen",func_lit,0);
- BasicBlock* label_UnifiedReturnBlock = new BasicBlock("UnifiedReturnBlock",func_lit,0);
-
- // Block entry (label_entry_16)
- ExtractElementInst* float_tmp7 = new ExtractElementInst(packed_tmp, const_int32_7, "tmp7", label_entry_16);
- FCmpInst* int1_cmp_17 = new FCmpInst(FCmpInst::FCMP_OGT, float_tmp7, const_float_6, "cmp", label_entry_16);
- new BranchInst(label_ifthen, label_UnifiedReturnBlock, int1_cmp_17, label_entry_16);
-
- // Block ifthen (label_ifthen)
- InsertElementInst* packed_tmp12 = new InsertElementInst(const_packed_8, float_tmp7, const_int32_11, "tmp12", label_ifthen);
- ExtractElementInst* float_tmp14 = new ExtractElementInst(packed_tmp, const_int32_11, "tmp14", label_ifthen);
- ExtractElementInst* float_tmp16 = new ExtractElementInst(packed_tmp, const_int32_12, "tmp16", label_ifthen);
- FCmpInst* int1_cmp_i = new FCmpInst(FCmpInst::FCMP_OLT, float_tmp16, const_float_4, "cmp.i", label_ifthen);
- SelectInst* float_b_addr_0_i = new SelectInst(int1_cmp_i, const_float_4, float_tmp16, "b.addr.0.i", label_ifthen);
- FCmpInst* int1_cmp3_i = new FCmpInst(FCmpInst::FCMP_OGT, float_b_addr_0_i, const_float_5, "cmp3.i", label_ifthen);
- SelectInst* float_b_addr_1_i = new SelectInst(int1_cmp3_i, const_float_5, float_b_addr_0_i, "b.addr.1.i", label_ifthen);
- FCmpInst* int1_cmp7_i = new FCmpInst(FCmpInst::FCMP_OLT, float_tmp14, const_float_6, "cmp7.i", label_ifthen);
- SelectInst* float_a_addr_0_i = new SelectInst(int1_cmp7_i, const_float_6, float_tmp14, "a.addr.0.i", label_ifthen);
- std::vector<Value*> float_call_i_params;
- float_call_i_params.push_back(float_a_addr_0_i);
- float_call_i_params.push_back(float_b_addr_1_i);
- CallInst* float_call_i = new CallInst(func_powf, float_call_i_params.begin(), float_call_i_params.end(), "call.i", label_ifthen);
- float_call_i->setCallingConv(CallingConv::C);
- float_call_i->setTailCall(true);
- InsertElementInst* packed_tmp18 = new InsertElementInst(packed_tmp12, float_call_i, const_int32_13, "tmp18", label_ifthen);
- new ReturnInst(packed_tmp18, label_ifthen);
-
- // Block UnifiedReturnBlock (label_UnifiedReturnBlock)
- new ReturnInst(const_packed_14, label_UnifiedReturnBlock);
-
- }
- return func_lit;
-}
-
void Instructions::ifop(llvm::Value *in)
{
BasicBlock *ifthen = new BasicBlock(name("ifthen"), m_func,0);
@@ -1171,3 +999,4 @@ llvm::Value * Instructions::constVector(float x, float y, float z, float w)
#endif //MESA_LLVM
+