fabi/Xenia-Canary
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Running clang-format on alloy.

Browse Source 
All except x64_sequences, which needs work.
This commit is contained in:
Ben Vanik
2014-07-10 20:20:00 -07:00
parent 0158380cfc
commit 7daa85179c
139 changed files with 6925 additions and 6998 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/alloy/compiler/passes/dead_code_elimination_pass.cc
View File

@@ -9,18 +9,20 @@
#include <alloy/compiler/passes/dead_code_elimination_pass.h>
using namespace alloy;
using namespace alloy::compiler;
using namespace alloy::compiler::passes;
namespace alloy {
namespace compiler {
namespace passes {
// TODO(benvanik): remove when enums redefined.
using namespace alloy::hir;
using alloy::hir::HIRBuilder;
using alloy::hir::Instr;
using alloy::hir::Value;
DeadCodeEliminationPass::DeadCodeEliminationPass() :
CompilerPass() {
}
DeadCodeEliminationPass::DeadCodeEliminationPass() : CompilerPass() {}
DeadCodeEliminationPass::~DeadCodeEliminationPass() {
}
DeadCodeEliminationPass::~DeadCodeEliminationPass() {}
int DeadCodeEliminationPass::Run(HIRBuilder* builder) {
SCOPE_profile_cpu_f("alloy");
@@ -63,7 +65,7 @@ int DeadCodeEliminationPass::Run(HIRBuilder* builder) {
bool any_instr_removed = false;
bool any_locals_removed = false;
Block* block = builder->first_block();
auto block = builder->first_block();
while (block) {
// Walk instructions in reverse.
Instr* i = block->instr_tail;
@@ -71,8 +73,8 @@ int DeadCodeEliminationPass::Run(HIRBuilder* builder) {
auto prev = i->prev;
auto opcode = i->opcode;
if (!(opcode->flags & OPCODE_FLAG_VOLATILE) &&
i->dest && !i->dest->use_head) {
if (!(opcode->flags & OPCODE_FLAG_VOLATILE) && i->dest &&
!i->dest->use_head) {
// Has no uses and is not volatile. This instruction can die!
MakeNopRecursive(i);
any_instr_removed = true;
@@ -110,7 +112,7 @@ int DeadCodeEliminationPass::Run(HIRBuilder* builder) {
// Remove all nops.
if (any_instr_removed) {
Block* block = builder->first_block();
auto block = builder->first_block();
while (block) {
Instr* i = block->instr_head;
while (i) {
@@ -148,19 +150,19 @@ void DeadCodeEliminationPass::MakeNopRecursive(Instr* i) {
i->dest->def = NULL;
i->dest = NULL;
#define MAKE_NOP_SRC(n) \
if (i->src##n##_use) { \
Value::Use* use = i->src##n##_use; \
Value* value = i->src##n##.value; \
i->src##n##_use = NULL; \
i->src##n##.value = NULL; \
value->RemoveUse(use); \
if (!value->use_head) { \
#define MAKE_NOP_SRC(n) \
if (i->src##n##_use) { \
Value::Use* use = i->src##n##_use; \
Value* value = i->src##n##.value; \
i->src##n##_use = NULL; \
i->src##n##.value = NULL; \
value->RemoveUse(use); \
if (!value->use_head) { \
/* Value is now unused, so recursively kill it. */ \
if (value->def && value->def != i) { \
MakeNopRecursive(value->def); \
} \
} \
if (value->def && value->def != i) { \
MakeNopRecursive(value->def); \
} \
} \
}
MAKE_NOP_SRC(1);
MAKE_NOP_SRC(2);
@@ -209,3 +211,7 @@ bool DeadCodeEliminationPass::CheckLocalUse(Instr* i) {
return false;
}
} // namespace passes
} // namespace compiler
} // namespace alloy