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switch simple loops that don't need indices to being iterator-based

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This commit is contained in:
Vern Paxson 2021-08-19 09:38:50 -07:00
parent ffd1905f90
commit d609a11312
8 changed files with 34 additions and 52 deletions
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17
src/script_opt/ZAM/AM-Opt.cc
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@ -155,9 +155,8 @@ bool ZAMCompiler::RemoveDeadCode()
bool did_removal = false;
for ( unsigned int i = 0; i < insts1.size() - 1; ++i )
for ( auto& i0 : insts1 )
{
auto i0 = insts1[i];
if ( ! i0->live )
continue;
@ -205,9 +204,8 @@ bool ZAMCompiler::CollapseGoTos()
{
bool did_change = false;
for ( unsigned int i = 0; i < insts1.size(); ++i )
for ( auto& i0 : insts1 )
{
auto i0 = insts1[i];
auto orig_t = i0->target;
if ( ! i0->live || ! orig_t || orig_t == pending_inst )
@ -524,9 +522,8 @@ void ZAMCompiler::ReMapFrame()
std::vector<GlobalInfo> used_globals;
std::vector<int> remapped_globals;
for ( unsigned int i = 0; i < globalsI.size(); ++i )
for ( auto& g : globalsI )
{
auto& g = globalsI[i];
g.slot = frame1_to_frame2[g.slot];
if ( g.slot >= 0 )
{
@ -890,12 +887,9 @@ const ZInstI* ZAMCompiler::EndOfLoop(const ZInstI* inst, int depth) const
bool ZAMCompiler::VarIsAssigned(int slot) const
{
for ( unsigned int i = 0; i < insts1.size(); ++i )
{
auto& inst = insts1[i];
for ( auto& inst : insts1 )
if ( inst->live && VarIsAssigned(slot, inst) )
return true;
}
return false;
}
@ -932,9 +926,8 @@ bool ZAMCompiler::VarIsAssigned(int slot, const ZInstI* i) const
bool ZAMCompiler::VarIsUsed(int slot) const
{
for ( unsigned int i = 0; i < insts1.size(); ++i )
for ( auto& inst : insts1 )
{
auto& inst = insts1[i];
if ( inst->live && inst->UsesSlot(slot) )
return true;