[llvm] [SandboxVec] Add barebones Region class. (PR #108899)
Jorge Gorbe Moya via llvm-commits
llvm-commits at lists.llvm.org
Tue Sep 17 14:45:09 PDT 2024
================
@@ -0,0 +1,83 @@
+//===- RegionTest.cpp -----------------------------------------------------===//
+//
+// 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/Transforms/Vectorize/SandboxVectorizer/Region.h"
+#include "llvm/AsmParser/Parser.h"
+#include "llvm/SandboxIR/SandboxIR.h"
+#include "llvm/Support/SourceMgr.h"
+#include "gmock/gmock-matchers.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+struct RegionTest : public testing::Test {
+ LLVMContext C;
+ std::unique_ptr<Module> M;
+
+ void parseIR(LLVMContext &C, const char *IR) {
+ SMDiagnostic Err;
+ M = parseAssemblyString(IR, Err, C);
+ if (!M)
+ Err.print("RegionTest", errs());
+ }
+};
+
+TEST_F(RegionTest, Basic) {
+ parseIR(C, R"IR(
+define i8 @foo(i8 %v0, i8 %v1) {
+ %t0 = add i8 %v0, 1
+ %t1 = add i8 %t0, %v1
+ ret i8 %t1
+}
+)IR");
+ llvm::Function *LLVMF = &*M->getFunction("foo");
+ sandboxir::Context Ctx(C);
+ auto *F = Ctx.createFunction(LLVMF);
+ auto *BB = &*F->begin();
+ auto It = BB->begin();
+ auto *T0 = cast<sandboxir::Instruction>(&*It++);
+ auto *T1 = cast<sandboxir::Instruction>(&*It++);
+ auto *Ret = cast<sandboxir::Instruction>(&*It++);
+ sandboxir::Region Rgn(Ctx, *BB);
+
+ // Check getters
+ EXPECT_EQ(BB, Rgn.getParent());
+ EXPECT_EQ(&Ctx, &Rgn.getContext());
+ EXPECT_EQ(0U, Rgn.getID());
+
+ // Check add / remove / empty.
+ EXPECT_TRUE(Rgn.empty());
+ Rgn.add(T0);
+ EXPECT_FALSE(Rgn.empty());
+ Rgn.remove(T0);
+ EXPECT_TRUE(Rgn.empty());
+
+ // Check iteration.
+ Rgn.add(T0);
+ Rgn.add(T1);
+ Rgn.add(Ret);
+ // Use an ordered matcher because we're supposed to preserve the insertion
+ // order for determinism.
+ EXPECT_THAT(Rgn.insts(), testing::ElementsAre(T0, T1, Ret));
+
+ // Check contains
+ EXPECT_TRUE(Rgn.contains(T0));
+ Rgn.remove(T0);
+ EXPECT_FALSE(Rgn.contains(T0));
+
+#ifndef NDEBUG
+ // Check equality comparison. Insert in reverse order into `Other` to check
+ // that comparison is order-independent.
+ sandboxir::Region Other(Ctx, *BB);
+ Other.add(Ret);
+ Other.add(T1);
----------------
slackito wrote:
Done. I needed to add an `operator!=` for `EXPECT_NE` (and having only one of the two operators would be confusing for users anyway).
https://github.com/llvm/llvm-project/pull/108899
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