RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-04-03 13:51:39 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

r600: Use deque and simplify loops in AMDGPUCFGStructurizer

Browse Source 
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Matt Arsenault <Matthew.Arsenault@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232180 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jan Vesely 2015-03-13 17:32:43 +00:00
parent d288259ccd
commit 915e3b4095
1 changed files with 10 additions and 10 deletions

20
lib/Target/R600/AMDILCFGStructurizer.cpp

@ -8,6 +8,8 @@
/// \file /// \file
//==-----------------------------------------------------------------------===// //==-----------------------------------------------------------------------===//
#include <deque>
#include "AMDGPU.h" #include "AMDGPU.h"
#include "AMDGPUInstrInfo.h" #include "AMDGPUInstrInfo.h"
#include "R600InstrInfo.h" #include "R600InstrInfo.h"
@ -1075,21 +1077,19 @@ int AMDGPUCFGStructurizer::ifPatternMatch(MachineBasicBlock *MBB) {
} }
int AMDGPUCFGStructurizer::loopendPatternMatch() { int AMDGPUCFGStructurizer::loopendPatternMatch() {
std::vector<MachineLoop *> NestedLoops; std::deque<MachineLoop *> NestedLoops;
for (MachineLoopInfo::iterator It = MLI->begin(), E = MLI->end(); It != E; for (auto &It: *MLI)
++It) for (MachineLoop *ML : depth_first(It))
for (MachineLoop *ML : depth_first(*It)) NestedLoops.push_front(ML);
NestedLoops.push_back(ML);
if (NestedLoops.size() == 0) if (NestedLoops.size() == 0)
return 0; return 0;
// Process nested loop outside->inside, so "continue" to a outside loop won't // Process nested loop outside->inside (we did push_front),
// be mistaken as "break" of the current loop. // so "continue" to a outside loop won't be mistaken as "break"
// of the current loop.
int Num = 0; int Num = 0;
for (std::vector<MachineLoop *>::reverse_iterator It = NestedLoops.rbegin(), for (MachineLoop *ExaminedLoop : NestedLoops) {
E = NestedLoops.rend(); It != E; ++It) {
MachineLoop *ExaminedLoop = *It;
if (ExaminedLoop->getNumBlocks() == 0 || Visited[ExaminedLoop]) if (ExaminedLoop->getNumBlocks() == 0 || Visited[ExaminedLoop])
continue; continue;
DEBUG(dbgs() << "Processing:\n"; ExaminedLoop->dump();); DEBUG(dbgs() << "Processing:\n"; ExaminedLoop->dump(););