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[StructuralHashPrinter] Always print 16-digit hash #101655

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Merged
merged 1 commit into from
Aug 2, 2024
Merged

[StructuralHashPrinter] Always print 16-digit hash #101655

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6 changes: 3 additions & 3 deletions llvm/lib/Analysis/StructuralHash.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14,20 +14,20 @@
#include "llvm/Analysis/StructuralHash.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/StructuralHash.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Format.h"

using namespace llvm;

PreservedAnalyses StructuralHashPrinterPass::run(Module &M,
ModuleAnalysisManager &MAM) {
OS << "Module Hash: "
<< Twine::utohexstr(StructuralHash(M, EnableDetailedStructuralHash))
<< format("%016" PRIx64, StructuralHash(M, EnableDetailedStructuralHash))
<< "\n";
for (Function &F : M) {
if (F.isDeclaration())
continue;
OS << "Function " << F.getName() << " Hash: "
<< Twine::utohexstr(StructuralHash(F, EnableDetailedStructuralHash))
<< format("%016" PRIx64, StructuralHash(F, EnableDetailedStructuralHash))
<< "\n";
}
return PreservedAnalyses::all();
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11 changes: 5 additions & 6 deletions llvm/test/Analysis/StructuralHash/structural-hash-printer.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,11 @@ define i32 @f2(i32 %a) {
ret i32 %b
}

; CHECK: Module Hash: {{([a-z0-9]{14,})}}
; CHECK-NEXT: Function f1 Hash: [[F1H:([a-z0-9]{14,})]]
; CHECK: Module Hash: {{([a-f0-9]{16,})}}
; CHECK-NEXT: Function f1 Hash: [[F1H:([a-f0-9]{16,})]]
; CHECK-NEXT: Function f2 Hash: [[F1H]]

; DETAILED-HASH: Module Hash: {{([a-z0-9]{14,})}}
; DETAILED-HASH-NEXT: Function f1 Hash: [[DF1H:([a-z0-9]{14,})]]
; DETAILED-HASH: Module Hash: {{([a-f0-9]{16,})}}
; DETAILED-HASH-NEXT: Function f1 Hash: [[DF1H:([a-f0-9]{16,})]]
; DETAILED-HASH-NOT: [[DF1H]]
; DETAILED-HASH-NEXT: Function f2 Hash: {{([a-z0-9]{14,})}}

; DETAILED-HASH-NEXT: Function f2 Hash: {{([a-f0-9]{16,})}}
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