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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
57 lines
2.3 KiB
LLVM
57 lines
2.3 KiB
LLVM
; Test that llvm-reduce can remove uninteresting Global Variables as well as
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; their direct uses (which in turn are replaced with 'undef').
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; RUN: llvm-reduce --test FileCheck --test-arg --check-prefixes=CHECK-ALL,CHECK-INTERESTINGNESS --test-arg %s --test-arg --input-file %s -o %t
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; RUN: cat %t | FileCheck --check-prefixes=CHECK-ALL,CHECK-FINAL --implicit-check-not=uninteresting %s
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$interesting5 = comdat any
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; CHECK-INTERESTINGNESS: @interesting = {{.*}}global i32{{.*}}, align 4
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; CHECK-INTERESTINGNESS: @interesting2 = global i32 0, align 4
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; CHECK-INTERESTINGNESS: @interesting3 = {{.*}}global i32{{.*}}, align 4
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; CHECK-INTERESTINGNESS: @interesting4 = {{.*}}constant i32{{.*}}, align 4
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; CHECK-INTERESTINGNESS: @interesting5 = {{.*}}global i32{{.*}}, align 4
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; CHECK-FINAL: @interesting = external global i32, align 4
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; CHECK-FINAL: @interesting2 = global i32 0, align 4
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; CHECK-FINAL: @interesting3 = external global i32, align 4
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; CHECK-FINAL: @interesting4 = external dso_local constant i32, align 4
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; CHECK-FINAL: @interesting5 = external global i32, align 4
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@interesting = global i32 0, align 4
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@interesting2 = global i32 0, align 4
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@interesting3 = external global i32, align 4
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@interesting4 = private constant i32 2, align 4
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@interesting5 = global i32 2, align 4, comdat
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@uninteresting = global i32 1, align 4
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@uninteresting2 = external global i32, align 4
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define i32 @main() {
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entry:
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%0 = load i32, i32* @uninteresting, align 4
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; CHECK-INTERESTINGNESS: store i32 {{.*}}, i32* @interesting, align 4
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; CHECK-FINAL: store i32 undef, i32* @interesting, align 4
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store i32 %0, i32* @interesting, align 4
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; CHECK-INTERESTINGNESS: store i32 {{.*}}, i32* @interesting3, align 4
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; CHECK-FINAL: store i32 undef, i32* @interesting3, align 4
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store i32 %0, i32* @interesting3, align 4
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; CHECK-ALL: load i32, i32* @interesting, align 4
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%1 = load i32, i32* @interesting, align 4
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store i32 %1, i32* @uninteresting, align 4
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; CHECK-ALL: load i32, i32* @interesting3, align 4
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%2 = load i32, i32* @interesting3, align 4
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store i32 %2, i32* @uninteresting2, align 4
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; CHECK-ALL: store i32 5, i32* @interesting, align 4
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store i32 5, i32* @interesting, align 4
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; CHECK-ALL: store i32 5, i32* @interesting3, align 4
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store i32 5, i32* @interesting3, align 4
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ret i32 0
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}
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