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[sil-optimizer] Add FP comparison support in constant folder #69828

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Merged
merged 3 commits into from
Nov 28, 2023
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[sil-optimizer] Add FP comparison support in constant folder #69828

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97a5a83
[sil-optimizer] Add FP comparison support in constant folder
jkshtj Nov 13, 2023
c800dd7
[sil-optimizer] Add validation tests for constant folded FP arithmetic
jkshtj Nov 16, 2023
cc3c51e
[sil-optimizer] Don't constant fold eq comparisons b/w inf and non-inf
jkshtj Nov 20, 2023
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8 changes: 7 additions & 1 deletion include/swift/SILOptimizer/Utils/ConstantFolding.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,10 +31,16 @@ class SILOptFunctionBuilder;
/// The \p ID must be the ID of a binary bit-operation builtin.
APInt constantFoldBitOperation(APInt lhs, APInt rhs, BuiltinValueKind ID);

/// Evaluates the constant result of a floating point comparison.
///
/// The \p ID must be the ID of a floating point builtin operation.
APInt constantFoldComparisonFloat(APFloat lhs, APFloat rhs,
BuiltinValueKind ID);

/// Evaluates the constant result of an integer comparison.
///
/// The \p ID must be the ID of an integer builtin operation.
APInt constantFoldComparison(APInt lhs, APInt rhs, BuiltinValueKind ID);
APInt constantFoldComparisonInt(APInt lhs, APInt rhs, BuiltinValueKind ID);

/// Evaluates the constant result of a binary operation with overflow.
///
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