1 files changed, 119 insertions, 0 deletions
diff --git a/test/llvm-pass-dump-parser-tests.ts b/test/llvm-pass-dump-parser-tests.ts
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+++ b/test/llvm-pass-dump-parser-tests.ts
@@ -0,0 +1,119 @@
+// Copyright (c) 2023, Compiler Explorer Authors
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+//     * Redistributions of source code must retain the above copyright notice,
+//       this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above copyright
+//       notice, this list of conditions and the following disclaimer in the
+//       documentation and/or other materials provided with the distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+
+import {LlvmPassDumpParser} from '../lib/parsers/llvm-pass-dump-parser';
+import * as properties from '../lib/properties';
+
+const languages = {
+    'c++': {id: 'c++'},
+};
+
+function deepCopy(obj) {
+    return JSON.parse(JSON.stringify(obj));
+}
+
+describe('llvm-pass-dump-parser filter', function () {
+    let llvmPassDumpParser;
+
+    before(() => {
+        const fakeProps = new properties.CompilerProps(languages, properties.fakeProps({}));
+        const compilerProps = (fakeProps.get as any).bind(fakeProps, 'c++');
+        llvmPassDumpParser = new LlvmPassDumpParser(compilerProps);
+    });
+    // prettier-ignore
+    const rawFuncIR = [
+        {text: '  # Machine code for function f(S1&, S2 const&): NoPHIs, TracksLiveness, TiedOpsRewritten'},
+        {text: 'define dso_local void @f(S1&, S2 const&)(%struct.S1* noundef nonnull align 8 dereferenceable(16) %s1, %struct.S2* noundef nonnull align 8 dereferenceable(16) %s2) #0 !dbg !7 {'},
+        {text: 'entry:'},
+        {text: '  %s1.addr = alloca %struct.S1*, align 8'},
+        {text: '  store %struct.S1* %s1, %struct.S1** %s1.addr, align 8, !tbaa !32'},
+        {text: '  call void @llvm.dbg.declare(metadata %struct.S1** %s1.addr, metadata !30, metadata !DIExpression()), !dbg !36'},
+        {text: '  call void @llvm.dbg.value(metadata %struct.S1* %s1, metadata !30, metadata !DIExpression()), !dbg !32'},
+        {text: '  DBG_VALUE $rdi, $noreg, !"s1", !DIExpression(), debug-location !32; example.cpp:0 line no:7'},
+        {text: '  store %struct.S2* %s2, %struct.S2** %s2.addr, align 8, !tbaa !32'},
+        {text: '  %0 = load %struct.S2*, %struct.S2** %s2.addr, align 8, !dbg !38, !tbaa !32'},
+        {text: '  %a = getelementptr inbounds %struct.S2, %struct.S2* %0, i32 0, i32 0, !dbg !39'},
+        {text: '  %1 = load i64, i64* %t, align 8, !dbg !40, !tbaa !41'},
+        {text: '  %2 = load %struct.S1*, %struct.S1** %s1.addr, align 8, !dbg !46, !tbaa !32'},
+        {text: '  store i64 %1, i64* %t2, align 8, !dbg !49, !tbaa !50'},
+        {text: '  %t3 = getelementptr inbounds %struct.Wrapper2, %struct.Wrapper2* %b, i32 0, i32 0, !dbg !54'},
+        {text: '  ret void, !dbg !61'},
+    ];
+
+    it('should not filter out dbg metadata', function () {
+        const options = {filterDebugInfo: false};
+        // prettier-ignore
+        llvmPassDumpParser
+            .applyIrFilters(deepCopy(rawFuncIR), options)
+            .should.deep.equal(rawFuncIR);
+    });
+
+    it('should filter out dbg metadata too', function () {
+        const options = {filterDebugInfo: true};
+        // prettier-ignore
+        llvmPassDumpParser
+            .applyIrFilters(deepCopy(rawFuncIR), options)
+            .should.deep.equal([
+                {text: '  # Machine code for function f(S1&, S2 const&): NoPHIs, TracksLiveness, TiedOpsRewritten'},
+                {text: 'define dso_local void @f(S1&, S2 const&)(%struct.S1* noundef nonnull align 8 dereferenceable(16) %s1, %struct.S2* noundef nonnull align 8 dereferenceable(16) %s2) {'},
+                {text: 'entry:'},
+                {text: '  %s1.addr = alloca %struct.S1*, align 8'},
+                {text: '  store %struct.S1* %s1, %struct.S1** %s1.addr, align 8, !tbaa !32'},
+                {text: '  store %struct.S2* %s2, %struct.S2** %s2.addr, align 8, !tbaa !32'},
+                {text: '  %0 = load %struct.S2*, %struct.S2** %s2.addr, align 8, !tbaa !32'},
+                {text: '  %a = getelementptr inbounds %struct.S2, %struct.S2* %0, i32 0, i32 0'},
+                {text: '  %1 = load i64, i64* %t, align 8, !tbaa !41'},
+                {text: '  %2 = load %struct.S1*, %struct.S1** %s1.addr, align 8, !tbaa !32'},
+                {text: '  store i64 %1, i64* %t2, align 8, !tbaa !50'},
+                {text: '  %t3 = getelementptr inbounds %struct.Wrapper2, %struct.Wrapper2* %b, i32 0, i32 0'},
+                {text: '  ret void'},
+            ]);
+    });
+
+    it('should filter out instruction metadata and object attribute group, leave debug instructions in place', function () {
+        // 'hide IR metadata' aims to decrease more visual noise than `hide debug info`
+        const options = {filterDebugInfo: false, filterIRMetadata: true};
+        // prettier-ignore
+        llvmPassDumpParser
+            .applyIrFilters(deepCopy(rawFuncIR), options)
+            .should.deep.equal([
+                {text: '  # Machine code for function f(S1&, S2 const&): NoPHIs, TracksLiveness, TiedOpsRewritten'},
+                {text: 'define dso_local void @f(S1&, S2 const&)(%struct.S1* noundef nonnull align 8 dereferenceable(16) %s1, %struct.S2* noundef nonnull align 8 dereferenceable(16) %s2) {'},
+                {text: 'entry:'},
+                {text: '  %s1.addr = alloca %struct.S1*, align 8'},
+                {text: '  store %struct.S1* %s1, %struct.S1** %s1.addr, align 8'},
+                {text: '  call void @llvm.dbg.declare(metadata %struct.S1** %s1.addr, metadata !30, metadata !DIExpression())'},
+                {text: '  call void @llvm.dbg.value(metadata %struct.S1* %s1, metadata !30, metadata !DIExpression())'},
+                {text: '  DBG_VALUE $rdi, $noreg, !"s1", !DIExpression(), debug-location !32; example.cpp:0 line no:7'},
+                {text: '  store %struct.S2* %s2, %struct.S2** %s2.addr, align 8'},
+                {text: '  %0 = load %struct.S2*, %struct.S2** %s2.addr, align 8'},
+                {text: '  %a = getelementptr inbounds %struct.S2, %struct.S2* %0, i32 0, i32 0'},
+                {text: '  %1 = load i64, i64* %t, align 8'},
+                {text: '  %2 = load %struct.S1*, %struct.S1** %s1.addr, align 8'},
+                {text: '  store i64 %1, i64* %t2, align 8'},
+                {text: '  %t3 = getelementptr inbounds %struct.Wrapper2, %struct.Wrapper2* %b, i32 0, i32 0'},
+                {text: '  ret void'},
+            ]);
+    });
+});