diff options
Diffstat (limited to 'include/llvm/Analysis/TargetTransformInfo.h')
| -rw-r--r-- | include/llvm/Analysis/TargetTransformInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Analysis/TargetTransformInfo.h b/include/llvm/Analysis/TargetTransformInfo.h index b11674898f..2ac6ffa333 100644 --- a/include/llvm/Analysis/TargetTransformInfo.h +++ b/include/llvm/Analysis/TargetTransformInfo.h @@ -198,11 +198,23 @@ public: /// The cost threshold for the unrolled loop when optimizing for size (set /// to UINT_MAX to disable). unsigned OptSizeThreshold; + /// The cost threshold for the unrolled loop, like Threshold, but used + /// for partial/runtime unrolling (set to UINT_MAX to disable). + unsigned PartialThreshold; + /// The cost threshold for the unrolled loop when optimizing for size, like + /// OptSizeThreshold, but used for partial/runtime unrolling (set to UINT_MAX + /// to disable). + unsigned PartialOptSizeThreshold; /// A forced unrolling factor (the number of concatenated bodies of the /// original loop in the unrolled loop body). When set to 0, the unrolling /// transformation will select an unrolling factor based on the current cost /// threshold and other factors. unsigned Count; + // Set the maximum unrolling factor. The unrolling factor may be selected + // using the appropriate cost threshold, but may not exceed this number + // (set to UINT_MAX to disable). This does not apply in cases where the + // loop is being fully unrolled. + unsigned MaxCount; /// Allow partial unrolling (unrolling of loops to expand the size of the /// loop body, not only to eliminate small constant-trip-count loops). bool Partial; |