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Fixes crash when SSA value has size of zero

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In the case of an invalid SSA destination size, the IR validation pass
would catch it and then when printing the IR it would crash with a
divide by zero.
Fixes that.
This commit is contained in:
Ryan Houdek committed 2020-09-22 18:20:32 -07:00
1 parent bad3b7da0c
commit adb9b111ca
1 file changed
+10 -2
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External/FEXCore/Source/Interface/IR/IR.cpp
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+10 -2
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@@ -70,10 +70,14 @@ static void PrintArg(std::stringstream *out, IRListView<false> const* IR, Ordere
if (IROp->HasDest) {
uint32_t ElementSize = IROp->ElementSize;
uint32_t NumElements = IROp->Size;
if (!IROp->ElementSize) {
ElementSize = IROp->Size;
}
uint32_t NumElements = IROp->Size / ElementSize;
if (ElementSize) {
NumElements /= ElementSize;
}
*out << " i" << std::dec << (ElementSize * 8);
@@ -153,10 +157,14 @@ void Dump(std::stringstream *out, IRListView<false> const* IR, IR::RegisterAlloc
if (IROp->HasDest) {
uint32_t ElementSize = IROp->ElementSize;
uint32_t NumElements = IROp->Size;
if (!IROp->ElementSize) {
ElementSize = IROp->Size;
}
uint32_t NumElements = IROp->Size / ElementSize;
if (ElementSize) {
NumElements /= ElementSize;
}
*out << "%ssa" << std::to_string(ID);