Revision 9a94756d01d9071ff1610bfc4cb170bd47f701a8 authored by Alexander Root on 21 July 2022, 15:01:16 UTC, committed by GitHub on 21 July 2022, 15:01:16 UTC
* use pmaddubsw 8-bit horizontal widening adds * add SSE3 versions too * add pmaddubsw tests
1 parent 967c3bf
PartitionLoops.h
#ifndef PARTITION_LOOPS_H
#define PARTITION_LOOPS_H
/** \file
* Defines a lowering pass that partitions loop bodies into three
* to handle boundary conditions: A prologue, a simplified
* steady-stage, and an epilogue.
*/
#include "Expr.h"
namespace Halide {
namespace Internal {
/** Return true if an expression uses a likely tag that isn't captured
* by an enclosing Select, Min, or Max. */
bool has_uncaptured_likely_tag(const Expr &e);
/** Return true if an expression uses a likely tag. */
bool has_likely_tag(const Expr &e);
/** Partitions loop bodies into a prologue, a steady state, and an
* epilogue. Finds the steady state by hunting for use of clamped
* ramps, or the 'likely' intrinsic. */
Stmt partition_loops(Stmt s);
} // namespace Internal
} // namespace Halide
#endif
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