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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12464 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-03-17 01:59:27 +00:00
parent 8f71b63bea
commit e911979650
1 changed files with 15 additions and 4 deletions
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19
lib/Transforms/Scalar/GCSE.cpp
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@ -223,6 +223,11 @@ Instruction *GCSE::EliminateCSE(Instruction *I, Instruction *Other) {
Instruction *Second = I != First ? I : Other; // Get iterator to second inst
BI = Second;
if (isa<LoadInst>(Second))
++NumLoadRemoved; // Keep track of loads eliminated
if (isa<CallInst>(Second))
++NumCallRemoved; // Keep track of calls eliminated
// Destroy Second, using First instead.
ReplaceInstWithInst(First, BI);
Ret = First;
@ -231,9 +236,19 @@ Instruction *GCSE::EliminateCSE(Instruction *I, Instruction *Other) {
// dominates the other instruction, we can simply use it
//
} else if (DomSetInfo->dominates(BB1, BB2)) { // I dom Other?
if (isa<LoadInst>(Other))
++NumLoadRemoved; // Keep track of loads eliminated
if (isa<CallInst>(Other))
++NumCallRemoved; // Keep track of calls eliminated
ReplaceInstWithInst(I, Other);
Ret = I;
} else if (DomSetInfo->dominates(BB2, BB1)) { // Other dom I?
if (isa<LoadInst>(I))
++NumLoadRemoved; // Keep track of loads eliminated
if (isa<CallInst>(I))
++NumCallRemoved; // Keep track of calls eliminated
ReplaceInstWithInst(Other, I);
Ret = Other;
} else {
@ -266,10 +281,6 @@ Instruction *GCSE::EliminateCSE(Instruction *I, Instruction *Other) {
return 0;
}
if (isa<LoadInst>(Ret))
++NumLoadRemoved; // Keep track of loads eliminated
if (isa<CallInst>(Ret))
++NumCallRemoved; // Keep track of calls eliminated
++NumInstRemoved; // Keep track of number of instructions eliminated
// Add all users of Ret to the worklist...