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aco: Cleanup insert_before_logical_end 

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
This commit is contained in:
Michael Schellenberger Costa 2019-08-12 20:40:37 +02:00 committed by Daniel Schürmann
parent c8554f849e
commit a607ea51a7
1 changed files with 11 additions and 15 deletions
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26
src/amd/compiler/aco_lower_bool_phis.cpp
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@ -29,6 +29,7 @@
#include "aco_ir.h"
#include "aco_builder.h"
#include <algorithm>
namespace aco {
@ -120,24 +121,19 @@ Temp write_ssa(Program *program, Block *block, ssa_state *state, unsigned previo
return {id, s2};
}
void insert_before_branch(Block *block, aco_ptr<Instruction> instr)
{
int end = block->instructions.size() - 1;
if (block->instructions[end]->format == Format::PSEUDO_BRANCH)
block->instructions.emplace(std::prev(block->instructions.end()), std::move(instr));
else
block->instructions.emplace_back(std::move(instr));
}
void insert_before_logical_end(Block *block, aco_ptr<Instruction> instr)
{
for (int i = block->instructions.size() - 1; i >= 0; --i) {
if (block->instructions[i]->opcode == aco_opcode::p_logical_end) {
block->instructions.emplace(std::next(block->instructions.begin(), i), std::move(instr));
return;
}
auto IsLogicalEnd = [] (const aco_ptr<Instruction>& instr) -> bool {
return instr->opcode == aco_opcode::p_logical_end;
};
auto it = std::find_if(block->instructions.crbegin(), block->instructions.crend(), IsLogicalEnd);
if (it == block->instructions.crend()) {
assert(block->instructions.back()->format == Format::PSEUDO_BRANCH);
block->instructions.insert(std::prev(block->instructions.end()), std::move(instr));
}
insert_before_branch(block, std::move(instr));
else
block->instructions.insert(std::prev(it.base()), std::move(instr));
}
aco_ptr<Instruction> lower_divergent_bool_phi(Program *program, Block *block, aco_ptr<Instruction>& phi)