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Don't use ConstantExpr::getShift anymore

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10791 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-01-12 19:08:43 +00:00
parent 3edd3979e1
commit b16689b647
3 changed files with 7 additions and 26 deletions
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29
lib/Transforms/Scalar/SCCP.cpp
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@@ -596,19 +596,11 @@ void SCCP::visitBinaryOperator(Instruction &I) {
Result.markOverdefined();
break; // Cannot fold this operation over the PHI nodes!
} else if (In1.isConstant() && In2.isConstant()) {
Constant *Val = 0;
if (isa<BinaryOperator>(I))
Val = ConstantExpr::get(I.getOpcode(), In1.getConstant(),
In2.getConstant());
else {
assert(isa<ShiftInst>(I) &&
"Can only handle binops and shifts here!");
Val = ConstantExpr::getShift(I.getOpcode(), In1.getConstant(),
In2.getConstant());
}
Constant *V = ConstantExpr::get(I.getOpcode(), In1.getConstant(),
In2.getConstant());
if (Result.isUndefined())
Result.markConstant(Val);
else if (Result.isConstant() && Result.getConstant() != Val) {
Result.markConstant(V);
else if (Result.isConstant() && Result.getConstant() != V) {
Result.markOverdefined();
break;
}
@@ -652,17 +644,8 @@ void SCCP::visitBinaryOperator(Instruction &I) {
markOverdefined(IV, &I);
} else if (V1State.isConstant() && V2State.isConstant()) {
Constant *Result = 0;
if (isa<BinaryOperator>(I))
Result = ConstantExpr::get(I.getOpcode(), V1State.getConstant(),
V2State.getConstant());
else {
assert (isa<ShiftInst>(I) && "Can only handle binops and shifts here!");
Result = ConstantExpr::getShift(I.getOpcode(), V1State.getConstant(),
V2State.getConstant());
}
markConstant(IV, &I, Result); // This instruction constant folds!
markConstant(IV, &I, ConstantExpr::get(I.getOpcode(), V1State.getConstant(),
V2State.getConstant()));
}
}