forked from OSchip/llvm-project
61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
//===- ScheduleOptimizerTest.cpp ------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "polly/ScheduleOptimizer.h"
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#include "gtest/gtest.h"
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#include "isl/stream.h"
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#include "isl/val.h"
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using namespace isl;
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namespace {
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TEST(ScheduleOptimizer, getPartialTilePrefixes) {
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isl_ctx *ctx = isl_ctx_alloc();
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{
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// Verify that for a loop with 3 iterations starting at 0 that is
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// pre-vectorized (strip-mined with a factor of 2), we correctly identify
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// that only the first two iterations are full vector iterations.
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isl::map Schedule(
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ctx, "{[i] -> [floor(i/2), i - 2 * floor(i/2)] : 0 <= i < 3 }");
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isl::set ScheduleRange = Schedule.range();
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isl::set Result = getPartialTilePrefixes(ScheduleRange, 2);
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EXPECT_TRUE(Result.is_equal(isl::set(ctx, "{[0]}")));
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}
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{
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// Verify that for a loop with 3 iterations starting at 1 that is
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// pre-vectorized (strip-mined with a factor of 2), we correctly identify
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// that only the last two iterations are full vector iterations.
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isl::map Schedule(
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ctx, "{[i] -> [floor(i/2), i - 2 * floor(i/2)] : 1 <= i < 4 }");
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isl::set ScheduleRange = Schedule.range();
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isl::set Result = getPartialTilePrefixes(ScheduleRange, 2);
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EXPECT_TRUE(Result.is_equal(isl::set(ctx, "{[1]}")));
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}
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{
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// Verify that for a loop with 6 iterations starting at 1 that is
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// pre-vectorized (strip-mined with a factor of 2), we correctly identify
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// that all but the first and the last iteration are full vector iterations.
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isl::map Schedule(
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ctx, "{[i] -> [floor(i/2), i - 2 * floor(i/2)] : 1 <= i < 6 }");
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isl::set ScheduleRange = Schedule.range();
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isl::set Result = getPartialTilePrefixes(ScheduleRange, 2);
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EXPECT_TRUE(Result.is_equal(isl::set(ctx, "{[1]; [2]}")));
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}
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isl_ctx_free(ctx);
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}
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} // anonymous namespace
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