================ @@ -0,0 +1,177 @@ +//===------ HLSLRootSignatureRangeTest.cpp - RootSignature Range tests ----===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "llvm/Frontend/HLSL/HLSLRootSignature.h" +#include "gtest/gtest.h" + +using namespace llvm::hlsl::rootsig; + +namespace { + +TEST(HLSLRootSignatureTest, NoOverlappingInsertTests) { + // Ensures that there is never a reported overlap + ResourceRange::IMap::Allocator Allocator; + ResourceRange Range(Allocator); + + RangeInfo A; + A.LowerBound = 0; + A.UpperBound = 3; + EXPECT_EQ(Range.insert(A), std::nullopt); + + RangeInfo B; + B.LowerBound = 4; + B.UpperBound = 7; + EXPECT_EQ(Range.insert(B), std::nullopt); + + RangeInfo C; + C.LowerBound = 10; + C.UpperBound = RangeInfo::Unbounded; + EXPECT_EQ(Range.insert(C), std::nullopt); + + // A = [0;3] + EXPECT_EQ(Range.lookup(0), &A); + EXPECT_EQ(Range.lookup(2), &A); + EXPECT_EQ(Range.lookup(3), &A); + + // B = [4;7] + EXPECT_EQ(Range.lookup(4), &B); + EXPECT_EQ(Range.lookup(5), &B); + EXPECT_EQ(Range.lookup(7), &B); + + EXPECT_EQ(Range.lookup(8), nullptr); + EXPECT_EQ(Range.lookup(9), nullptr); + + // C = [10;unbounded] + EXPECT_EQ(Range.lookup(10), &C); + EXPECT_EQ(Range.lookup(42), &C); + EXPECT_EQ(Range.lookup(98237423), &C); + EXPECT_EQ(Range.lookup(RangeInfo::Unbounded), &C); +} + +TEST(HLSLRootSignatureTest, SingleOverlappingInsertTests) { + // Ensures that we correctly report an overlap when we insert a range that + // overlaps with one other range but does not cover (replace) it + ResourceRange::IMap::Allocator Allocator; + ResourceRange Range(Allocator); + + RangeInfo A; + A.LowerBound = 1; + A.UpperBound = 5; + EXPECT_EQ(Range.insert(A), std::nullopt); + + RangeInfo B; + B.LowerBound = 0; + B.UpperBound = 2; + EXPECT_EQ(Range.insert(B).value(), &A); + + RangeInfo C; + C.LowerBound = 4; + C.UpperBound = RangeInfo::Unbounded; + EXPECT_EQ(Range.insert(C).value(), &A); + + // A = [1;5] + EXPECT_EQ(Range.lookup(1), &A); + EXPECT_EQ(Range.lookup(2), &A); + EXPECT_EQ(Range.lookup(3), &A); + EXPECT_EQ(Range.lookup(4), &A); + EXPECT_EQ(Range.lookup(5), &A); + + // B = [0;0] + EXPECT_EQ(Range.lookup(0), &B); + + // C = [6; unbounded] ---------------- Icohedron wrote:
```suggestion // C = [6;unbounded] ``` https://github.com/llvm/llvm-project/pull/140957 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
