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c432043c07
This introduces an analysis pass that wraps IRSimilarityIdentifier, and adds a printer pass to examine in what function similarities are being found. Test for what the printer pass can find are in test/Analysis/IRSimilarityIdentifier. Reviewed by: paquette, jroelofs Differential Revision: https://reviews.llvm.org/D86973
38 lines
1.2 KiB
LLVM
38 lines
1.2 KiB
LLVM
; RUN: opt -disable-output -S -passes=print-ir-similarity < %s 2>&1 | FileCheck --allow-empty %s
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; Check to make sure that the IRSimilarityIdentifier and IRSimilarityPrinterPass
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; return items only within the same function when there are different sets of
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; instructions in functions.
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; CHECK: 2 candidates of length 3. Found in:
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; CHECK-NEXT: Function: turtle, Basic Block: (unnamed)
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; CHECK-NEXT: Function: turtle, Basic Block: (unnamed)
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; CHECK-NEXT: 2 candidates of length 5. Found in:
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; CHECK-NEXT: Function: fish, Basic Block: entry
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; CHECK-NEXT: Function: fish, Basic Block: entry
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define linkonce_odr void @fish() {
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entry:
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%0 = alloca i32, align 4
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca i32, align 4
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%4 = alloca i32, align 4
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%5 = alloca i32, align 4
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store i32 6, i32* %0, align 4
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store i32 1, i32* %1, align 4
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store i32 2, i32* %2, align 4
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store i32 3, i32* %3, align 4
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store i32 4, i32* %4, align 4
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store i32 5, i32* %5, align 4
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ret void
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}
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define void @turtle(i32* %0, i32* %1, i32* %2, i32* %3) {
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%a = load i32, i32* %0
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%b = load i32, i32* %1
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%c = load i32, i32* %2
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%d = load i32, i32* %3
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ret void
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}
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