hoy updated this revision to Diff 313488.
hoy added a comment.
Fixing IR test failure.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D93656/new/
https://reviews.llvm.org/D93656
Files:
clang/lib/CodeGen/BackendUtil.cpp
llvm/include/llvm/Passes/PassBuilder.h
llvm/lib/Passes/PassBuilder.cpp
llvm/test/Transforms/UniqueLinkageNames/unique-internal-linkage-names.ll
Index: llvm/test/Transforms/UniqueLinkageNames/unique-internal-linkage-names.ll
===================================================================
--- /dev/null
+++ llvm/test/Transforms/UniqueLinkageNames/unique-internal-linkage-names.ll
@@ -0,0 +1,36 @@
+; RUN: opt -S -passes=unique-internal-linkage-names < %s | FileCheck %s
+
+define internal i32 @foo() !dbg !15 {
+entry:
+ ret i32 0, !dbg !18
+}
+
+define dso_local i32 (...)* @bar() !dbg !7 {
+entry:
+ ret i32 (...)* bitcast (i32 ()* @foo to i32 (...)*), !dbg !14
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, enums: !2)
+!1 = !DIFile(filename: "test.c", directory: "")
+!2 = !{}
+!3 = !{i32 7, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"wchar_size", i32 4}
+!7 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 9, type: !8, scopeLine: 9, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!8 = !DISubroutineType(types: !9)
+!9 = !{!10}
+!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
+!11 = !DISubroutineType(types: !12)
+!12 = !{!13, null}
+!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!14 = !DILocation(line: 10, column: 3, scope: !7)
+!15 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 5, type: !16, scopeLine: 5, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
+!16 = !DISubroutineType(types: !17)
+!17 = !{!13}
+!18 = !DILocation(line: 6, column: 3, scope: !15)
+
+; CHECK: define internal i32 @foo.__uniq.{{[0-9a-f]+}}()
+; CHECK: ret {{.*}} @foo.__uniq.{{[0-9a-f]+}} {{.*}}
Index: llvm/lib/Passes/PassBuilder.cpp
===================================================================
--- llvm/lib/Passes/PassBuilder.cpp
+++ llvm/lib/Passes/PassBuilder.cpp
@@ -1001,6 +1001,11 @@
ThinLTOPhase Phase) {
ModulePassManager MPM(DebugLogging);
+ // Add UniqueInternalLinkageNames Pass which renames internal linkage
+ // symbols with unique names.
+ if (PTO.UniqueLinkageNames)
+ MPM.addPass(UniqueInternalLinkageNamesPass());
+
// Place pseudo probe instrumentation as the first pass of the pipeline to
// minimize the impact of optimization changes.
if (PGOOpt && PGOOpt->PseudoProbeForProfiling &&
@@ -1764,6 +1769,11 @@
ModulePassManager MPM(DebugLogging);
+ // Add UniqueInternalLinkageNames Pass which renames internal linkage
+ // symbols with unique names.
+ if (PTO.UniqueLinkageNames)
+ MPM.addPass(UniqueInternalLinkageNamesPass());
+
if (PGOOpt && (PGOOpt->Action == PGOOptions::IRInstr ||
PGOOpt->Action == PGOOptions::IRUse))
addPGOInstrPassesForO0(
Index: llvm/include/llvm/Passes/PassBuilder.h
===================================================================
--- llvm/include/llvm/Passes/PassBuilder.h
+++ llvm/include/llvm/Passes/PassBuilder.h
@@ -127,6 +127,9 @@
/// Tuning option to enable/disable function merging. Its default value is
/// false.
bool MergeFunctions;
+
+ /// Uniquefy function linkage name. Its default value is false.
+ bool UniqueLinkageNames;
};
/// This class provides access to building LLVM's passes.
Index: clang/lib/CodeGen/BackendUtil.cpp
===================================================================
--- clang/lib/CodeGen/BackendUtil.cpp
+++ clang/lib/CodeGen/BackendUtil.cpp
@@ -1144,6 +1144,7 @@
// non-integrated assemblers don't recognize .cgprofile section.
PTO.CallGraphProfile = !CodeGenOpts.DisableIntegratedAS;
PTO.Coroutines = LangOpts.Coroutines;
+ PTO.UniqueLinkageNames = CodeGenOpts.UniqueInternalLinkageNames;
PassInstrumentationCallbacks PIC;
StandardInstrumentations SI(CodeGenOpts.DebugPassManager);
@@ -1325,11 +1326,6 @@
MPM = PB.buildPerModuleDefaultPipeline(Level);
}
- // Add UniqueInternalLinkageNames Pass which renames internal linkage
- // symbols with unique names.
- if (CodeGenOpts.UniqueInternalLinkageNames)
- MPM.addPass(UniqueInternalLinkageNamesPass());
-
if (!CodeGenOpts.MemoryProfileOutput.empty()) {
MPM.addPass(createModuleToFunctionPassAdaptor(MemProfilerPass()));
MPM.addPass(ModuleMemProfilerPass());
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