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[CodeGen] Fix warnings in isPow2VectorType and getPow2VectorType

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We should either call getVectorMinNumElements() or
getVectorElementCount().

Differential Revision: https://reviews.llvm.org/D81945
This commit is contained in:
David Sherwood
2020-06-18 09:17:06 +01:00
parent 945d20f7ab
commit ae22e84163
1 changed files with 4 additions and 5 deletions
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llvm/include/llvm/CodeGen/ValueTypes.h
+4 -5
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@@ -389,7 +389,7 @@ namespace llvm {
/// Returns true if the given vector is a power of 2.
bool isPow2VectorType() const {
unsigned NElts = getVectorNumElements();
unsigned NElts = getVectorMinNumElements();
return !(NElts & (NElts - 1));
}
@@ -397,10 +397,9 @@ namespace llvm {
/// and returns that type.
EVT getPow2VectorType(LLVMContext &Context) const {
if (!isPow2VectorType()) {
unsigned NElts = getVectorNumElements();
unsigned Pow2NElts = 1 << Log2_32_Ceil(NElts);
return EVT::getVectorVT(Context, getVectorElementType(), Pow2NElts,
isScalableVector());
ElementCount NElts = getVectorElementCount();
NElts.Min = 1 << Log2_32_Ceil(NElts.Min);
return EVT::getVectorVT(Context, getVectorElementType(), NElts);
}
else {
return *this;