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[AMDGPU][SplitModule] Fix potential divide by zero #117602

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Merged
merged 1 commit into from
Nov 26, 2024
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[AMDGPU][SplitModule] Fix potential divide by zero #117602

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3 changes: 2 additions & 1 deletion llvm/lib/Target/AMDGPU/AMDGPUSplitModule.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,8 @@ static constexpr unsigned InvalidPID = -1;
/// \param Dem denominator
/// \returns a printable object to print (Num/Dem) using "%0.2f".
static auto formatRatioOf(CostType Num, CostType Dem) {
return format("%0.2f", (static_cast<double>(Num) / Dem) * 100);
CostType DemOr1 = Dem ? Dem : 1;
return format("%0.2f", (static_cast<double>(Num) / DemOr1) * 100);
}

/// Checks whether a given function is non-copyable.
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