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Revert function passes

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This commit is contained in:
gingerBill
2020-11-29 20:41:01 +00:00
parent f4f2b8f5ad
commit 5803fcc158
2 changed files with 108 additions and 64 deletions
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src/llvm_backend.cpp
+94 -50
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@@ -658,12 +658,14 @@ lbValue lb_addr_load(lbProcedure *p, lbAddr const &addr) {
res.value = LLVMBuildZExtOrBitCast(p->builder, field, lb_type(p->module, int_type), ""); res.value = LLVMBuildZExtOrBitCast(p->builder, field, lb_type(p->module, int_type), "");
return res; return res;
} else if (addr.kind == lbAddr_Context) { } else if (addr.kind == lbAddr_Context) {
if (addr.ctx.sel.index.count > 0) {
lbValue a = addr.addr; lbValue a = addr.addr;
a.value = LLVMBuildPointerCast(p->builder, a.value, lb_type(p->module, t_context_ptr), "");
if (addr.ctx.sel.index.count > 0) {
lbValue b = lb_emit_deep_field_gep(p, a, addr.ctx.sel); lbValue b = lb_emit_deep_field_gep(p, a, addr.ctx.sel);
return lb_emit_load(p, b); return lb_emit_load(p, b);
} else { } else {
return lb_emit_load(p, addr.addr); return lb_emit_load(p, a);
} }
} else if (addr.kind == lbAddr_SoaVariable) { } else if (addr.kind == lbAddr_SoaVariable) {
Type *t = type_deref(addr.addr.type); Type *t = type_deref(addr.addr.type);
@@ -1355,7 +1357,7 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
case Type_Proc: case Type_Proc:
{ {
if (USE_LLVM_ABI) { if (USE_LLVM_ABI) {
if (m->internal_type_level > 5) { // TODO HACK(bill): is this really enough? if (m->internal_type_level > 256) { // TODO HACK(bill): is this really enough?
return LLVMPointerType(LLVMIntTypeInContext(m->ctx, 8), 0); return LLVMPointerType(LLVMIntTypeInContext(m->ctx, 8), 0);
} else { } else {
unsigned param_count = 0; unsigned param_count = 0;
@@ -1405,14 +1407,20 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
if (is_type_boolean(e_type) && if (is_type_boolean(e_type) &&
type_size_of(e_type) <= 1) { type_size_of(e_type) <= 1) {
param_type = LLVMInt1TypeInContext(m->ctx); param_type = LLVMInt1TypeInContext(m->ctx);
} else {
if (is_type_proc(e_type)) {
param_type = lb_type(m, t_rawptr);
} else { } else {
param_type = lb_type(m, e_type); param_type = lb_type(m, e_type);
} }
}
params[param_index++] = param_type; params[param_index++] = param_type;
} }
} }
if (param_index < param_count) { if (param_index < param_count) {
params[param_index++] = lb_type(m, t_context_ptr); params[param_index++] = lb_type(m, t_rawptr);
// params[param_index++] = lb_type(m, t_context_ptr);
} }
GB_ASSERT(param_index == param_count); GB_ASSERT(param_index == param_count);
@@ -1480,7 +1488,8 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
} }
} }
if (type->Proc.calling_convention == ProcCC_Odin) { if (type->Proc.calling_convention == ProcCC_Odin) {
array_add(&param_types, lb_type(m, t_context_ptr)); array_add(&param_types, lb_type(m, t_rawptr));
// array_add(&param_types, lb_type(m, t_context_ptr));
} }
old_abi_fn_type = LLVMFunctionType(return_type, param_types.data, cast(unsigned)param_types.count, type->Proc.c_vararg); old_abi_fn_type = LLVMFunctionType(return_type, param_types.data, cast(unsigned)param_types.count, type->Proc.c_vararg);
@@ -6960,7 +6969,7 @@ lbValue lb_copy_value_to_ptr(lbProcedure *p, lbValue val, Type *new_type, i64 al
lbAddr ptr = lb_add_local_generated(p, new_type, false); lbAddr ptr = lb_add_local_generated(p, new_type, false);
LLVMSetAlignment(ptr.addr.value, cast(unsigned)alignment); LLVMSetAlignment(ptr.addr.value, cast(unsigned)alignment);
lb_addr_store(p, ptr, val); lb_addr_store(p, ptr, val);
ptr.kind = lbAddr_Context; // ptr.kind = lbAddr_Context;
return ptr.addr; return ptr.addr;
} }
@@ -7381,7 +7390,9 @@ lbValue lb_emit_call_internal(lbProcedure *p, lbValue value, lbValue return_ptr,
args[arg_index++] = arg.value; args[arg_index++] = arg.value;
} }
if (context_ptr.addr.value != nullptr) { if (context_ptr.addr.value != nullptr) {
args[arg_index++] = context_ptr.addr.value; LLVMValueRef cp = context_ptr.addr.value;
cp = LLVMBuildPointerCast(p->builder, cp, lb_type(p->module, t_rawptr), "");
args[arg_index++] = cp;
} }
LLVMBasicBlockRef curr_block = LLVMGetInsertBlock(p->builder); LLVMBasicBlockRef curr_block = LLVMGetInsertBlock(p->builder);
GB_ASSERT(curr_block != p->decl_block->block); GB_ASSERT(curr_block != p->decl_block->block);
@@ -12983,57 +12994,82 @@ void lb_generate_code(lbGenerator *gen) {
{ {
auto dfpm = default_function_pass_manager; auto dfpm = default_function_pass_manager;
if (build_context.optimization_level == 0) {
LLVMAddMemCpyOptPass(dfpm); LLVMAddMemCpyOptPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm); LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm); LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddAggressiveInstCombinerPass(dfpm); LLVMAddAggressiveInstCombinerPass(dfpm);
LLVMAddEarlyCSEPass(dfpm);
LLVMAddEarlyCSEMemSSAPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
LLVMAddAggressiveDCEPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm);
// LLVMAddInstructionCombiningPass(dfpm);
LLVMAddSLPVectorizePass(dfpm);
LLVMAddLoopVectorizePass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddLoopIdiomPass(dfpm);
} else {
bool do_extra_passes = true;
int repeat_count = cast(int)build_context.optimization_level;
do {
LLVMAddMemCpyOptPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddAlignmentFromAssumptionsPass(dfpm);
LLVMAddEarlyCSEPass(dfpm);
LLVMAddEarlyCSEMemSSAPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
if (do_extra_passes) {
LLVMAddAggressiveInstCombinerPass(dfpm);
LLVMAddAggressiveDCEPass(dfpm);
}
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm);
LLVMAddTailCallEliminationPass(dfpm);
if (do_extra_passes) {
LLVMAddSLPVectorizePass(dfpm);
LLVMAddLoopVectorizePass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddLoopIdiomPass(dfpm);
LLVMAddAggressiveInstCombinerPass(dfpm);
LLVMAddLowerExpectIntrinsicPass(dfpm);
LLVMAddDeadStoreEliminationPass(dfpm);
LLVMAddReassociatePass(dfpm);
LLVMAddAddDiscriminatorsPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCorrelatedValuePropagationPass(dfpm);
}
} while (repeat_count --> 0);
}
}
LLVMPassManagerRef default_function_pass_manager_without_memcpy = LLVMCreateFunctionPassManagerForModule(mod);
defer (LLVMDisposePassManager(default_function_pass_manager_without_memcpy));
{
auto dfpm = default_function_pass_manager_without_memcpy;
LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddAggressiveInstCombinerPass(dfpm);
LLVMAddConstantPropagationPass(dfpm); LLVMAddConstantPropagationPass(dfpm);
LLVMAddAggressiveDCEPass(dfpm); LLVMAddAggressiveDCEPass(dfpm);
LLVMAddMergedLoadStoreMotionPass(dfpm); LLVMAddMergedLoadStoreMotionPass(dfpm);
LLVMAddPromoteMemoryToRegisterPass(dfpm); LLVMAddPromoteMemoryToRegisterPass(dfpm);
LLVMAddCFGSimplificationPass(dfpm); LLVMAddCFGSimplificationPass(dfpm);
LLVMAddTailCallEliminationPass(dfpm); // LLVMAddUnifyFunctionExitNodesPass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddSLPVectorizePass(dfpm);
LLVMAddLoopVectorizePass(dfpm);
LLVMAddEarlyCSEPass(dfpm);
LLVMAddEarlyCSEMemSSAPass(dfpm);
LLVMAddConstantPropagationPass(dfpm);
LLVMAddScalarizerPass(dfpm);
LLVMAddLoopIdiomPass(dfpm);
if (build_context.optimization_level != 0) {
// LLVMAddAggressiveInstCombinerPass(dfpm);
// LLVMAddLowerExpectIntrinsicPass(dfpm);
// LLVMAddPartiallyInlineLibCallsPass(dfpm);
// LLVMAddAlignmentFromAssumptionsPass(dfpm);
// LLVMAddDeadStoreEliminationPass(dfpm);
// LLVMAddReassociatePass(dfpm);
// LLVMAddAddDiscriminatorsPass(dfpm);
// LLVMAddPromoteMemoryToRegisterPass(dfpm);
// LLVMAddCorrelatedValuePropagationPass(dfpm);
// LLVMAddMemCpyOptPass(dfpm);
}
}
LLVMPassManagerRef default_function_pass_manager_without_memcpy = LLVMCreateFunctionPassManagerForModule(mod);
defer (LLVMDisposePassManager(default_function_pass_manager_without_memcpy));
{
LLVMAddPromoteMemoryToRegisterPass(default_function_pass_manager_without_memcpy);
LLVMAddMergedLoadStoreMotionPass(default_function_pass_manager_without_memcpy);
LLVMAddAggressiveInstCombinerPass(default_function_pass_manager_without_memcpy);
LLVMAddConstantPropagationPass(default_function_pass_manager_without_memcpy);
LLVMAddAggressiveDCEPass(default_function_pass_manager_without_memcpy);
LLVMAddMergedLoadStoreMotionPass(default_function_pass_manager_without_memcpy);
LLVMAddPromoteMemoryToRegisterPass(default_function_pass_manager_without_memcpy);
LLVMAddCFGSimplificationPass(default_function_pass_manager_without_memcpy);
// LLVMAddUnifyFunctionExitNodesPass(default_function_pass_manager_without_memcpy);
} }
TIME_SECTION("LLVM Runtime Creation"); TIME_SECTION("LLVM Runtime Creation");
@@ -13327,11 +13363,19 @@ void lb_generate_code(lbGenerator *gen) {
LLVMDIBuilderFinalize(m->debug_builder); LLVMDIBuilderFinalize(m->debug_builder);
if (LLVMVerifyModule(mod, LLVMAbortProcessAction, &llvm_error)) { if (LLVMVerifyModule(mod, LLVMReturnStatusAction, &llvm_error)) {
gb_printf_err("LLVM Error:\n%s\n", llvm_error);
if (build_context.keep_temp_files) {
TIME_SECTION("LLVM Print Module to File");
if (LLVMPrintModuleToFile(mod, cast(char const *)filepath_ll.text, &llvm_error)) {
gb_printf_err("LLVM Error: %s\n", llvm_error); gb_printf_err("LLVM Error: %s\n", llvm_error);
gb_exit(1); gb_exit(1);
return; return;
} }
}
gb_exit(1);
return;
}
llvm_error = nullptr; llvm_error = nullptr;
if (build_context.keep_temp_files) { if (build_context.keep_temp_files) {
TIME_SECTION("LLVM Print Module to File"); TIME_SECTION("LLVM Print Module to File");