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Implement some helpers

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llvm-svn: 13738
This commit is contained in:
Chris Lattner 2004-05-25 05:32:43 +00:00
parent 0185a86e38
commit 84431acbf1
1 changed files with 10 additions and 0 deletions
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10
lib/VMCore/Constants.cpp
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@ -372,7 +372,17 @@ Constant *ConstantExpr::getShr(Constant *C1, Constant *C2) {
return get(Instruction::Shr, C1, C2);
}
Constant *ConstantExpr::getUShr(Constant *C1, Constant *C2) {
if (C1->getType()->isUnsigned()) return getShr(C1, C2);
return getCast(getShr(getCast(C1,
C1->getType()->getUnsignedVersion()), C2), C1->getType());
}
Constant *ConstantExpr::getSShr(Constant *C1, Constant *C2) {
if (C1->getType()->isSigned()) return getShr(C1, C2);
return getCast(getShr(getCast(C1,
C1->getType()->getSignedVersion()), C2), C1->getType());
}
//===----------------------------------------------------------------------===//