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Use cast<> instead of dyn_cast<> for things that are known to be

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Instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73002 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jay Foad
2009-06-06 17:49:35 +00:00
parent 86fbf2fe4c
commit 0906b1bf09
4 changed files with 16 additions and 23 deletions
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3
lib/Transforms/IPO/GlobalOpt.cpp
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@@ -932,8 +932,7 @@ static bool ValueIsOnlyUsedLocallyOrStoredToOneGlobal(Instruction *V,
GlobalVariable *GV, GlobalVariable *GV,
SmallPtrSet<PHINode*, 8> &PHIs) { SmallPtrSet<PHINode*, 8> &PHIs) {
for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E;++UI){ for (Value::use_iterator UI = V->use_begin(), E = V->use_end(); UI != E;++UI){
Instruction *Inst = dyn_cast<Instruction>(*UI); Instruction *Inst = cast<Instruction>(*UI);
if (Inst == 0) return false;
if (isa<LoadInst>(Inst) || isa<CmpInst>(Inst)) { if (isa<LoadInst>(Inst) || isa<CmpInst>(Inst)) {
continue; // Fine, ignore. continue; // Fine, ignore.

6
lib/Transforms/IPO/IPConstantPropagation.cpp
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@@ -241,15 +241,11 @@ bool IPCP::PropagateConstantReturn(Function &F) {
for (Value::use_iterator I = Call->use_begin(), E = Call->use_end(); for (Value::use_iterator I = Call->use_begin(), E = Call->use_end();
I != E;) { I != E;) {
Instruction *Ins = dyn_cast<Instruction>(*I); Instruction *Ins = cast<Instruction>(*I);
// Increment now, so we can remove the use // Increment now, so we can remove the use
++I; ++I;
// Not an instruction? Ignore
if (!Ins)
continue;
// Find the index of the retval to replace with // Find the index of the retval to replace with
int index = -1; int index = -1;
if (ExtractValueInst *EV = dyn_cast<ExtractValueInst>(Ins)) if (ExtractValueInst *EV = dyn_cast<ExtractValueInst>(Ins))

13
lib/Transforms/Scalar/PredicateSimplifier.cpp
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@@ -1525,11 +1525,11 @@ namespace {
Instruction *I2 = dyn_cast<Instruction>(R); Instruction *I2 = dyn_cast<Instruction>(R);
if (I2 && below(I2)) { if (I2 && below(I2)) {
std::vector<Instruction *> ToNotify; std::vector<Instruction *> ToNotify;
for (Value::use_iterator UI = R->use_begin(), UE = R->use_end(); for (Value::use_iterator UI = I2->use_begin(), UE = I2->use_end();
UI != UE;) { UI != UE;) {
Use &TheUse = UI.getUse(); Use &TheUse = UI.getUse();
++UI; ++UI;
if (Instruction *I = dyn_cast<Instruction>(TheUse.getUser())) Instruction *I = cast<Instruction>(TheUse.getUser());
ToNotify.push_back(I); ToNotify.push_back(I);
} }
@@ -1658,13 +1658,12 @@ namespace {
++UI; ++UI;
Value *V = TheUse.getUser(); Value *V = TheUse.getUser();
if (!V->use_empty()) { if (!V->use_empty()) {
if (Instruction *Inst = dyn_cast<Instruction>(V)) { Instruction *Inst = cast<Instruction>(V);
if (aboveOrBelow(Inst)) if (aboveOrBelow(Inst))
opsToDef(Inst); opsToDef(Inst);
} }
} }
} }
}
return true; return true;
} }
@@ -2262,12 +2261,11 @@ namespace {
UE = O.LHS->use_end(); UI != UE;) { UE = O.LHS->use_end(); UI != UE;) {
Use &TheUse = UI.getUse(); Use &TheUse = UI.getUse();
++UI; ++UI;
if (Instruction *I = dyn_cast<Instruction>(TheUse.getUser())) { Instruction *I = cast<Instruction>(TheUse.getUser());
if (aboveOrBelow(I)) if (aboveOrBelow(I))
opsToDef(I); opsToDef(I);
} }
} }
}
if (Instruction *I2 = dyn_cast<Instruction>(O.RHS)) { if (Instruction *I2 = dyn_cast<Instruction>(O.RHS)) {
if (aboveOrBelow(I2)) if (aboveOrBelow(I2))
defToOps(I2); defToOps(I2);
@@ -2277,14 +2275,13 @@ namespace {
UE = O.RHS->use_end(); UI != UE;) { UE = O.RHS->use_end(); UI != UE;) {
Use &TheUse = UI.getUse(); Use &TheUse = UI.getUse();
++UI; ++UI;
if (Instruction *I = dyn_cast<Instruction>(TheUse.getUser())) { Instruction *I = cast<Instruction>(TheUse.getUser());
if (aboveOrBelow(I)) if (aboveOrBelow(I))
opsToDef(I); opsToDef(I);
} }
} }
} }
} }
}
WorkList.pop_front(); WorkList.pop_front();
} }
} }

3
lib/Transforms/Scalar/ScalarReplAggregates.cpp
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@@ -1228,7 +1228,8 @@ void SROA::CleanupAllocaUsers(AllocationInst *AI) {
User *U = *UI++; User *U = *UI++;
if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(U)) if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(U))
CleanupGEP(GEPI); CleanupGEP(GEPI);
else if (Instruction *I = dyn_cast<Instruction>(U)) { else {
Instruction *I = cast<Instruction>(U);
SmallVector<DbgInfoIntrinsic *, 2> DbgInUses; SmallVector<DbgInfoIntrinsic *, 2> DbgInUses;
if (!isa<StoreInst>(I) && OnlyUsedByDbgInfoIntrinsics(I, &DbgInUses)) { if (!isa<StoreInst>(I) && OnlyUsedByDbgInfoIntrinsics(I, &DbgInUses)) {
// Safe to remove debug info uses. // Safe to remove debug info uses.