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-rw-r--r--include/llvm/Transforms/Utils/IntegerDivision.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Utils/IntegerDivision.h b/include/llvm/Transforms/Utils/IntegerDivision.h
index 8d3f53e6f9..cecc8075de 100644
--- a/include/llvm/Transforms/Utils/IntegerDivision.h
+++ b/include/llvm/Transforms/Utils/IntegerDivision.h
@@ -23,6 +23,16 @@ namespace llvm {
namespace llvm {
+ /// Generate code to calculate the remainder of two integers, replacing Rem
+ /// with the generated code. This currently generates code using the udiv
+ /// expansion, but future work includes generating more specialized code,
+ /// e.g. when more information about the operands are known. Currently only
+ /// implements 32bit scalar division (due to udiv's limitation), but future
+ /// work is removing this limitation.
+ ///
+ /// @brief Replace Rem with generated code.
+ bool expandRemainder(BinaryOperator *Rem);
+
/// Generate code to divide two integers, replacing Div with the generated
/// code. This currently generates code similarly to compiler-rt's
/// implementations, but future work includes generating more specialized code