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authorZack Rusin <zack@tungstengraphics.com>2007-10-24 07:49:24 -0400
committerZack Rusin <zack@tungstengraphics.com>2007-10-24 11:21:05 -0400
commit5040eefbb758fb0e02125ad3a6bfb3dba13cb7fa (patch)
treec41eadb25f4ac6cd5ac0edd3f7abdd3ac1239ba0 /src/mesa
parentba823b3ded1b6ec47b8a0e26ed08a229fe1a9140 (diff)
Implement arl, lerp opcodes and do a first stab at if/endif
handling and branching support.
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/pipe/llvm/instructions.cpp304
-rw-r--r--src/mesa/pipe/llvm/instructions.h12
-rw-r--r--src/mesa/pipe/llvm/llvmtgsi.cpp51
-rw-r--r--src/mesa/pipe/llvm/storage.cpp130
-rw-r--r--src/mesa/pipe/llvm/storage.h26
5 files changed, 388 insertions, 135 deletions
diff --git a/src/mesa/pipe/llvm/instructions.cpp b/src/mesa/pipe/llvm/instructions.cpp
index 78d2658724..66c34f8101 100644
--- a/src/mesa/pipe/llvm/instructions.cpp
+++ b/src/mesa/pipe/llvm/instructions.cpp
@@ -369,6 +369,11 @@ llvm::Value * Instructions::floor(llvm::Value *in)
callFloor(z), callFloor(w));
}
+llvm::Value * Instructions::arl(llvm::Value *in)
+{
+ return floor(in);
+}
+
llvm::Value * Instructions::frc(llvm::Value *in)
{
llvm::Value *flr = floor(in);
@@ -600,6 +605,34 @@ llvm::Function * Instructions::declarePrintf()
return func_printf;
}
+
+llvm::Value * Instructions::sgt(llvm::Value *in1, llvm::Value *in2)
+{
+ Constant *const1f = ConstantFP::get(Type::FloatTy, APFloat(1.000000e+00f));
+ Constant *const0f = Constant::getNullValue(Type::FloatTy);
+
+ ExtractElementInst *x1 = new ExtractElementInst(in1, unsigned(0), name("x1"), m_block);
+ ExtractElementInst *x2 = new ExtractElementInst(in2, unsigned(0), name("x2"), m_block);
+ FCmpInst *xcmp = new FCmpInst(FCmpInst::FCMP_OGT, x1, x2, name("xcmp"), m_block);
+ SelectInst *x = new SelectInst(xcmp, const1f, const0f, name("xsel"), m_block);
+
+ ExtractElementInst *y1 = new ExtractElementInst(in1, unsigned(1), name("y1"), m_block);
+ ExtractElementInst *y2 = new ExtractElementInst(in2, unsigned(1), name("y2"), m_block);
+ FCmpInst *ycmp = new FCmpInst(FCmpInst::FCMP_OGT, y1, y2, name("ycmp"), m_block);
+ SelectInst *y = new SelectInst(ycmp, const1f, const0f, name("ysel"), m_block);
+
+ ExtractElementInst *z1 = new ExtractElementInst(in1, unsigned(2), name("z1"), m_block);
+ ExtractElementInst *z2 = new ExtractElementInst(in2, unsigned(2), name("z2"), m_block);
+ FCmpInst *zcmp = new FCmpInst(FCmpInst::FCMP_OGT, z1, z2, name("zcmp"), m_block);
+ SelectInst *z = new SelectInst(zcmp, const1f, const0f, name("zsel"), m_block);
+
+ ExtractElementInst *w1 = new ExtractElementInst(in1, unsigned(3), name("w1"), m_block);
+ ExtractElementInst *w2 = new ExtractElementInst(in2, unsigned(3), name("w2"), m_block);
+ FCmpInst *wcmp = new FCmpInst(FCmpInst::FCMP_OGT, w1, w2, name("wcmp"), m_block);
+ SelectInst *w = new SelectInst(wcmp, const1f, const0f, name("wsel"), m_block);
+
+ return vectorFromVals(x, y, z, w);
+}
llvm::Value * Instructions::sge(llvm::Value *in1, llvm::Value *in2)
{
Constant *const1f = ConstantFP::get(Type::FloatTy, APFloat(1.000000e+00f));
@@ -713,6 +746,8 @@ llvm::Value * Instructions::abs(llvm::Value *in)
}
/*
+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);
@@ -744,7 +779,7 @@ clang --emit-llvm lit.c |llvm-as|opt -std-compile-opts|llvm2cpp -gen-contents -f
*/
Function* makeLitFunction(Module *mod) {
-// Type Definitions
+ // Type Definitions
std::vector<const Type*>FuncTy_0_args;
FuncTy_0_args.push_back(Type::FloatTy);
FuncTy_0_args.push_back(Type::FloatTy);
@@ -769,123 +804,172 @@ Function* makeLitFunction(Module *mod) {
/*ParamAttrs=*/FuncTy_3_PAL);
-// Function Declarations
+ // Function Declarations
Function* func_approx = new Function(
/*Type=*/FuncTy_0,
/*Linkage=*/GlobalValue::ExternalLinkage,
- /*Name=*/"approx", mod);
+ /*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);
-
-}
+ 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);
+ BasicBlock *ifend = new BasicBlock(name("ifend"), m_func,0);
+
+ //BasicBlock *yblock = new BasicBlock(name("yblock"), m_func,0);
+ //BasicBlock *zblock = new BasicBlock(name("zblock"), m_func,0);
+ //BasicBlock *wblock = new BasicBlock(name("wblock"), m_func,0);
+
+ Constant *float0 = Constant::getNullValue(Type::FloatTy);
+
+ ExtractElementInst *x = new ExtractElementInst(in, unsigned(0), name("extractx"),
+ m_block);
+ FCmpInst *xcmp = new FCmpInst(FCmpInst::FCMP_UNE, x, float0,
+ name("xcmp"), m_block);
+ new BranchInst(ifend, ifthen, xcmp, m_block);
+ //m_block = yblock;
+
+
+ m_block = ifthen;
+ m_ifStack.push(ifend);
+}
+
+llvm::BasicBlock * Instructions::currentBlock() const
+{
+ return m_block;
+}
+void Instructions::endif()
+{
+ assert(!m_ifStack.empty());
+ new BranchInst(m_ifStack.top(), m_block);
+ m_block = m_ifStack.top();
+ m_ifStack.pop();
+}
+
+llvm::Value * Instructions::lerp(llvm::Value *in1, llvm::Value *in2,
+ llvm::Value *in3)
+{
+ llvm::Value *m = mul(in1, in2);
+ llvm::Value *vec1 = vectorFromVals(ConstantFP::get(Type::FloatTy,
+ APFloat(1.f)),
+ ConstantFP::get(Type::FloatTy,
+ APFloat(1.f)),
+ ConstantFP::get(Type::FloatTy,
+ APFloat(1.f)),
+ ConstantFP::get(Type::FloatTy,
+ APFloat(1.f)));
+ llvm::Value *s = sub(vec1, in1);
+ return add(m, mul(s, in3));
+}
diff --git a/src/mesa/pipe/llvm/instructions.h b/src/mesa/pipe/llvm/instructions.h
index f7bc4a5839..ce2ce796d9 100644
--- a/src/mesa/pipe/llvm/instructions.h
+++ b/src/mesa/pipe/llvm/instructions.h
@@ -5,6 +5,8 @@
#include <llvm/Module.h>
#include <llvm/Value.h>
+#include <stack>
+
namespace llvm {
class VectorType;
class Function;
@@ -15,16 +17,23 @@ class Instructions
public:
Instructions(llvm::Module *mod, llvm::Function *func, llvm::BasicBlock *block);
+ llvm::BasicBlock *currentBlock() const;
+
llvm::Value *abs(llvm::Value *in1);
+ llvm::Value *arl(llvm::Value *in1);
llvm::Value *add(llvm::Value *in1, llvm::Value *in2);
llvm::Value *cross(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dp3(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dp4(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dph(llvm::Value *in1, llvm::Value *in2);
llvm::Value *dst(llvm::Value *in1, llvm::Value *in2);
+ void endif();
llvm::Value *ex2(llvm::Value *in);
llvm::Value *floor(llvm::Value *in);
llvm::Value *frc(llvm::Value *in);
+ void ifop(llvm::Value *in);
+ llvm::Value *lerp(llvm::Value *in1, llvm::Value *in2,
+ llvm::Value *in3);
llvm::Value *lit(llvm::Value *in);
llvm::Value *lg2(llvm::Value *in);
llvm::Value *madd(llvm::Value *in1, llvm::Value *in2,
@@ -36,6 +45,7 @@ public:
llvm::Value *rcp(llvm::Value *in);
llvm::Value *rsq(llvm::Value *in);
llvm::Value *sge(llvm::Value *in1, llvm::Value *in2);
+ llvm::Value *sgt(llvm::Value *in1, llvm::Value *in2);
llvm::Value *slt(llvm::Value *in1, llvm::Value *in2);
llvm::Value *sub(llvm::Value *in1, llvm::Value *in2);
@@ -70,6 +80,8 @@ private:
llvm::Function *m_llvmLit;
llvm::Constant *m_fmtPtr;
+
+ std::stack<llvm::BasicBlock*> m_ifStack;
};
#endif
diff --git a/src/mesa/pipe/llvm/llvmtgsi.cpp b/src/mesa/pipe/llvm/llvmtgsi.cpp
index 8983f16297..ade4573fb8 100644
--- a/src/mesa/pipe/llvm/llvmtgsi.cpp
+++ b/src/mesa/pipe/llvm/llvmtgsi.cpp
@@ -146,10 +146,16 @@ translate_instruction(llvm::Module *module,
for (int i = 0; i < inst->Instruction.NumSrcRegs; ++i) {
struct tgsi_full_src_register *src = &inst->FullSrcRegisters[i];
llvm::Value *val = 0;
+ llvm::Value *indIdx = 0;
+
+ if (src->SrcRegister.Indirect) {
+ indIdx = storage->addrElement(src->SrcRegisterInd.Index);
+ indIdx = storage->extractIndex(indIdx);
+ }
if (src->SrcRegister.File == TGSI_FILE_CONSTANT) {
- val = storage->constElement(src->SrcRegister.Index);
+ val = storage->constElement(src->SrcRegister.Index, indIdx);
} else if (src->SrcRegister.File == TGSI_FILE_INPUT) {
- val = storage->inputElement(src->SrcRegister.Index);
+ val = storage->inputElement(src->SrcRegister.Index, indIdx);
} else if (src->SrcRegister.File == TGSI_FILE_TEMPORARY) {
val = storage->tempElement(src->SrcRegister.Index);
} else {
@@ -204,7 +210,9 @@ translate_instruction(llvm::Module *module,
instr->printVector(inputs[1]);*/
llvm::Value *out = 0;
switch (inst->Instruction.Opcode) {
- case TGSI_OPCODE_ARL:
+ case TGSI_OPCODE_ARL: {
+ out = instr->arl(inputs[0]);
+ }
break;
case TGSI_OPCODE_MOV: {
out = inputs[0];
@@ -270,7 +278,9 @@ translate_instruction(llvm::Module *module,
out = instr->sub(inputs[0], inputs[1]);
}
break;
- case TGSI_OPCODE_LERP:
+ case TGSI_OPCODE_LERP: {
+ out = instr->lerp(inputs[0], inputs[1], inputs[2]);
+ }
break;
case TGSI_OPCODE_CND:
break;
@@ -344,7 +354,9 @@ translate_instruction(llvm::Module *module,
break;
case TGSI_OPCODE_SFL:
break;
- case TGSI_OPCODE_SGT:
+ case TGSI_OPCODE_SGT: {
+ out = instr->sgt(inputs[0], inputs[1]);
+ }
break;
case TGSI_OPCODE_SIN:
break;
@@ -398,7 +410,11 @@ translate_instruction(llvm::Module *module,
break;
case TGSI_OPCODE_BRK:
break;
- case TGSI_OPCODE_IF:
+ case TGSI_OPCODE_IF: {
+ instr->ifop(inputs[0]);
+ storage->setCurrentBlock(instr->currentBlock());
+ return; //just update the state
+ }
break;
case TGSI_OPCODE_LOOP:
break;
@@ -406,7 +422,12 @@ translate_instruction(llvm::Module *module,
break;
case TGSI_OPCODE_ELSE:
break;
- case TGSI_OPCODE_ENDIF:
+ case TGSI_OPCODE_ENDIF: {
+ instr->endif();
+ storage->setCurrentBlock(instr->currentBlock());
+ storage->popPhiNode();
+ return; //just update the state
+ }
break;
case TGSI_OPCODE_ENDLOOP:
break;
@@ -554,8 +575,11 @@ translate_instruction(llvm::Module *module,
storage->store(dst->DstRegister.Index, out, dst->DstRegister.WriteMask);
} else if (dst->DstRegister.File == TGSI_FILE_TEMPORARY) {
storage->setTempElement(dst->DstRegister.Index, out, dst->DstRegister.WriteMask);
+ } else if (dst->DstRegister.File == TGSI_FILE_ADDRESS) {
+ storage->setAddrElement(dst->DstRegister.Index, out, dst->DstRegister.WriteMask);
} else {
fprintf(stderr, "ERROR: unsupported LLVM destination!");
+ assert(!"wrong destination");
}
}
}
@@ -617,7 +641,7 @@ tgsi_to_llvm(struct ga_llvm_prog *prog, const struct tgsi_token *tokens)
}
}
- new ReturnInst(label_entry);
+ new ReturnInst(instr.currentBlock());
tgsi_parse_free(&parse);
@@ -635,7 +659,8 @@ ga_llvm_from_tgsi(struct pipe_context *pipe, const struct tgsi_token *tokens)
ga_llvm->id = GLOBAL_ID;
tgsi_dump(tokens, 0);
llvm::Module *mod = tgsi_to_llvm(ga_llvm, tokens);
-
+ ga_llvm->module = mod;
+ ga_llvm_prog_dump(ga_llvm, 0);
/* Run optimization passes over it */
PassManager passes;
passes.add(new TargetData(mod));
@@ -715,8 +740,14 @@ void ga_llvm_prog_dump(struct ga_llvm_prog *prog, const char *file_prefix)
out << (*mod);
out.close();
} else {
+ std::ostringstream stream;
+ stream << "execute_shader";
+ stream << prog->id;
+ std::string func_name = stream.str();
+ llvm::Function *func = mod->getFunction(func_name.c_str());
+ assert(func);
std::cout<<"; ---------- Start shader "<<prog->id<<std::endl;
- std::cout<<*mod<<std::endl;
+ std::cout<<*func<<std::endl;
std::cout<<"; ---------- End shader "<<prog->id<<std::endl;
}
}
diff --git a/src/mesa/pipe/llvm/storage.cpp b/src/mesa/pipe/llvm/storage.cpp
index 3bf37c7567..5b1f05190e 100644
--- a/src/mesa/pipe/llvm/storage.cpp
+++ b/src/mesa/pipe/llvm/storage.cpp
@@ -17,7 +17,8 @@ Storage::Storage(llvm::BasicBlock *block, llvm::Value *out,
llvm::Value *in, llvm::Value *consts)
: m_block(block), m_OUT(out),
m_IN(in), m_CONST(consts),
- m_temps(32), m_dstCache(32),
+ m_temps(32), m_addrs(32),
+ m_dstCache(32),
m_idx(0)
{
m_floatVecType = VectorType::get(Type::FloatTy, 4);
@@ -88,15 +89,29 @@ llvm::ConstantInt *Storage::constantInt(int idx)
return const_int;
}
-llvm::Value *Storage::inputElement(int idx)
+llvm::Value *Storage::inputElement(int idx, llvm::Value *indIdx)
{
- if (m_inputs.find(idx) != m_inputs.end()) {
+ if (!indIdx && m_inputs.find(idx) != m_inputs.end()) {
return m_inputs[idx];
}
- GetElementPtrInst *getElem = new GetElementPtrInst(m_IN,
- constantInt(idx),
- name("input_ptr"),
- m_block);
+ GetElementPtrInst *getElem = 0;
+
+ if (indIdx) {
+ getElem = new GetElementPtrInst(m_IN,
+ BinaryOperator::create(Instruction::Add,
+ indIdx,
+ constantInt(idx),
+ name("add"),
+ m_block),
+ name("input_ptr"),
+ m_block);
+ } else {
+ getElem = new GetElementPtrInst(m_IN,
+ constantInt(idx),
+ name("input_ptr"),
+ m_block);
+ }
+
LoadInst *load = new LoadInst(getElem, name("input"),
false, m_block);
load->setAlignment(8);
@@ -105,16 +120,29 @@ llvm::Value *Storage::inputElement(int idx)
return load;
}
-llvm::Value *Storage::constElement(int idx)
+llvm::Value *Storage::constElement(int idx, llvm::Value *indIdx)
{
m_numConsts = ((idx + 1) > m_numConsts) ? (idx + 1) : m_numConsts;
- if (m_consts.find(idx) != m_consts.end()) {
+ if (!indIdx && m_consts.find(idx) != m_consts.end()) {
return m_consts[idx];
}
- GetElementPtrInst *getElem = new GetElementPtrInst(m_CONST,
- constantInt(idx),
- name("const_ptr"),
- m_block);
+
+ GetElementPtrInst *getElem = 0;
+
+ if (indIdx)
+ getElem = new GetElementPtrInst(m_CONST,
+ BinaryOperator::create(Instruction::Add,
+ indIdx,
+ constantInt(idx),
+ name("add"),
+ m_block),
+ name("const_ptr"),
+ m_block);
+ else
+ getElem = new GetElementPtrInst(m_CONST,
+ constantInt(idx),
+ name("const_ptr"),
+ m_block);
LoadInst *load = new LoadInst(getElem, name("const"),
false, m_block);
load->setAlignment(8);
@@ -146,7 +174,17 @@ void Storage::setTempElement(int idx, llvm::Value *val, int mask)
llvm::Value *templ = m_temps[idx];
val = maskWrite(val, mask, templ);
}
+ llvm::Value *templ = m_temps[idx];
+ if (templ) {
+ BasicBlock *block = m_varBlocks[templ];
+ if (block != m_block) {
+ addPhiNode(idx, val, m_block, templ, block);
+ } else
+ updatePhiNode(idx, val);
+ }
+
m_temps[idx] = val;
+ m_varBlocks[val] = m_block;
}
void Storage::store(int dstIdx, llvm::Value *val, int mask)
@@ -208,3 +246,69 @@ int Storage::numConsts() const
{
return m_numConsts;
}
+
+llvm::Value * Storage::addrElement(int idx) const
+{
+ Value *ret = m_addrs[idx];
+ if (!ret)
+ return m_undefFloatVec;
+ return ret;
+}
+
+void Storage::setAddrElement(int idx, llvm::Value *val, int mask)
+{
+ if (mask != TGSI_WRITEMASK_XYZW) {
+ llvm::Value *templ = m_addrs[idx];
+ val = maskWrite(val, mask, templ);
+ }
+ m_addrs[idx] = val;
+}
+
+llvm::Value * Storage::extractIndex(llvm::Value *vec)
+{
+ llvm::Value *x = new ExtractElementInst(vec, unsigned(0),
+ name("x"), m_block);
+ return new FPToSIInst(x, IntegerType::get(32), name("intidx"), m_block);
+}
+
+void Storage::setCurrentBlock(llvm::BasicBlock *block)
+{
+ m_block = block;
+}
+
+void Storage::addPhiNode(int idx, llvm::Value *val1, llvm::BasicBlock *blk1,
+ llvm::Value *val2, llvm::BasicBlock *blk2)
+{
+ PhiNode node;
+ node.val1 = val1;
+ node.block1 = blk1;
+ node.val2 = val2;
+ node.block2 = blk2;
+ m_phiNodes[idx] = node;
+}
+
+void Storage::updatePhiNode(int idx, llvm::Value *val1)
+{
+ if (m_phiNodes.find(idx) == m_phiNodes.end())
+ return;
+ PhiNode node = m_phiNodes[idx];
+ node.val1 = val1;
+ m_phiNodes[idx] = node;
+}
+
+void Storage::popPhiNode()
+{
+ if (!m_phiNodes.empty()) {
+ std::map<int, PhiNode>::const_iterator itr;
+ for (itr = m_phiNodes.begin(); itr != m_phiNodes.end(); ++itr) {
+ PhiNode node = (*itr).second;
+ PHINode *dest = new PHINode(m_floatVecType,
+ name("phiDest"), m_block);
+ dest->reserveOperandSpace(2);
+ dest->addIncoming(node.val1, node.block1);
+ dest->addIncoming(node.val2, node.block2);
+ m_temps[(*itr).first] = dest;
+ }
+ }
+ m_phiNodes.clear();
+}
diff --git a/src/mesa/pipe/llvm/storage.h b/src/mesa/pipe/llvm/storage.h
index da7b0dbe01..919fbc9ded 100644
--- a/src/mesa/pipe/llvm/storage.h
+++ b/src/mesa/pipe/llvm/storage.h
@@ -21,19 +21,27 @@ public:
llvm::Value *out,
llvm::Value *in, llvm::Value *consts);
+ void setCurrentBlock(llvm::BasicBlock *block);
+
llvm::ConstantInt *constantInt(int);
llvm::Constant *shuffleMask(int vec);
- llvm::Value *inputElement(int idx);
- llvm::Value *constElement(int idx);
+ llvm::Value *inputElement(int idx, llvm::Value *indIdx =0);
+ llvm::Value *constElement(int idx, llvm::Value *indIdx =0);
llvm::Value *tempElement(int idx) const;
void setTempElement(int idx, llvm::Value *val, int mask);
+ llvm::Value *addrElement(int idx) const;
+ void setAddrElement(int idx, llvm::Value *val, int mask);
+
llvm::Value *shuffleVector(llvm::Value *vec, int shuffle);
+ llvm::Value *extractIndex(llvm::Value *vec);
void store(int dstIdx, llvm::Value *val, int mask);
+ void popPhiNode();
+
int numConsts() const;
private:
llvm::Value *maskWrite(llvm::Value *src, int mask, llvm::Value *templ);
@@ -47,6 +55,7 @@ private:
std::map<int, llvm::ConstantInt*> m_constInts;
std::map<int, llvm::Constant*> m_intVecs;
std::vector<llvm::Value*> m_temps;
+ std::vector<llvm::Value*> m_addrs;
std::vector<llvm::Value*> m_dstCache;
LoadMap m_inputs;
LoadMap m_consts;
@@ -63,6 +72,19 @@ private:
int m_idx;
int m_numConsts;
+
+ void addPhiNode(int, llvm::Value*, llvm::BasicBlock*,
+ llvm::Value*, llvm::BasicBlock*);
+ void updatePhiNode(int, llvm::Value*);
+ struct PhiNode {
+ llvm::Value *val1;
+ llvm::BasicBlock *block1;
+ llvm::Value *val2;
+ llvm::BasicBlock *block2;
+ };
+
+ std::map<llvm::Value*, llvm::BasicBlock*> m_varBlocks;
+ std::map<int, PhiNode> m_phiNodes;
};
#endif