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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
20 lines
422 B
LLVM
20 lines
422 B
LLVM
; RUN: opt < %s -instcombine -S | grep {store i8} | count 2
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define i32 @a(i8* %s) nounwind {
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entry:
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store i8 0, i8* %s, align 1 ; This store cannot be eliminated!
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%tmp3 = call i32 @strlen( i8* %s ) nounwind readonly
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%tmp5 = icmp ne i32 %tmp3, 0
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br i1 %tmp5, label %bb, label %bb8
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bb: ; preds = %entry
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store i8 0, i8* %s, align 1
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br label %bb8
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bb8:
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ret i32 %tmp3
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}
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declare i32 @strlen(i8*) nounwind readonly
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