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Remove more uses of std::set.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2008-08-14 21:01:00 +00:00
parent 79ceb4463e
commit eaa009d963
2 changed files with 11 additions and 9 deletions
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lib/CodeGen/UnreachableBlockElim.cpp
+8 -6
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@@ -32,6 +32,7 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/SmallPtrSet.h"
using namespace llvm;
namespace {
@@ -51,11 +52,11 @@ FunctionPass *llvm::createUnreachableBlockEliminationPass() {
}
bool UnreachableBlockElim::runOnFunction(Function &F) {
std::set<BasicBlock*> Reachable;
SmallPtrSet<BasicBlock*, 8> Reachable;
// Mark all reachable blocks.
for (df_ext_iterator<Function*> I = df_ext_begin(&F, Reachable),
E = df_ext_end(&F, Reachable); I != E; ++I)
for (df_ext_iterator<Function*, SmallPtrSet<BasicBlock*, 8> > I =
df_ext_begin(&F, Reachable), E = df_ext_end(&F, Reachable); I != E; ++I)
/* Mark all reachable blocks */;
// Loop over all dead blocks, remembering them and deleting all instructions
@@ -101,11 +102,12 @@ Y("unreachable-mbb-elimination",
const PassInfo *const llvm::UnreachableMachineBlockElimID = &Y;
bool UnreachableMachineBlockElim::runOnMachineFunction(MachineFunction &F) {
std::set<MachineBasicBlock*> Reachable;
SmallPtrSet<MachineBasicBlock*, 8> Reachable;
// Mark all reachable blocks.
for (df_ext_iterator<MachineFunction*> I = df_ext_begin(&F, Reachable),
E = df_ext_end(&F, Reachable); I != E; ++I)
for (df_ext_iterator<MachineFunction*, SmallPtrSet<MachineBasicBlock*, 8> >
I = df_ext_begin(&F, Reachable), E = df_ext_end(&F, Reachable);
I != E; ++I)
/* Mark all reachable blocks */;
// Loop over all dead blocks, remembering them and deleting all instructions