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180f0bc045
Move tests for llvm-reduce to tools folder Reviewed By: fhahn, lebedev.ri Differential Revision: https://reviews.llvm.org/D99632
27 lines
868 B
LLVM
27 lines
868 B
LLVM
; Test that llvm-reduce can remove uninteresting instructions.
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;
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; RUN: llvm-reduce --test %python --test-arg %p/Inputs/remove-instructions.py %s -o %t
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; RUN: cat %t | FileCheck -implicit-check-not=uninteresting %s
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; REQUIRES: plugins
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; We're testing all direct uses of %interesting are conserved. The terminator
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; (ret) must also be preserved.
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; CHECK-COUNT-5: %interesting
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; CHECK: ret
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define i32 @main() #0 {
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entry:
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%uninteresting1 = alloca i32, align 4
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%interesting = alloca i32, align 4
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%uninteresting2 = alloca i32, align 4
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store i32 0, i32* %uninteresting1, align 4
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store i32 0, i32* %interesting, align 4
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%0 = load i32, i32* %interesting, align 4
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%uninteresting3 = add nsw i32 %0, 1
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store i32 %uninteresting3, i32* %interesting, align 4
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%1 = load i32, i32* %interesting, align 4
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store i32 %1, i32* %uninteresting2, align 4
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ret i32 0
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}
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