f452c9622f
canonicalize-neg-const.ll had some issues. The script somehow decided to delete half the run line and merge it with the example expression (which it also deleted most of).
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; RUN: opt < %s -inline -instcombine -reassociate -dse -disable-output
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; PR12245
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@a = common global i32 0, align 4
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@d = common global i32 0, align 4
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define i32 @fn2() nounwind uwtable ssp {
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entry:
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%0 = load i32, ptr @a, align 4
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%dec = add nsw i32 %0, -1
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store i32 %dec, ptr @a, align 4
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%1 = load i32, ptr @d, align 4
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%sub = sub nsw i32 %dec, %1
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store i32 %sub, ptr @d, align 4
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%2 = load i32, ptr @a, align 4
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%dec1 = add nsw i32 %2, -1
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store i32 %dec1, ptr @a, align 4
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%3 = load i32, ptr @d, align 4
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%sub2 = sub nsw i32 %dec1, %3
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store i32 %sub2, ptr @d, align 4
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%4 = load i32, ptr @a, align 4
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%dec3 = add nsw i32 %4, -1
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store i32 %dec3, ptr @a, align 4
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%5 = load i32, ptr @d, align 4
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%sub4 = sub nsw i32 %dec3, %5
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store i32 %sub4, ptr @d, align 4
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%6 = load i32, ptr @a, align 4
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%dec5 = add nsw i32 %6, -1
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store i32 %dec5, ptr @a, align 4
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%7 = load i32, ptr @d, align 4
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%sub6 = sub nsw i32 %dec5, %7
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store i32 %sub6, ptr @d, align 4
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%8 = load i32, ptr @a, align 4
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%dec7 = add nsw i32 %8, -1
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store i32 %dec7, ptr @a, align 4
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%9 = load i32, ptr @d, align 4
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%sub8 = sub nsw i32 %dec7, %9
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store i32 %sub8, ptr @d, align 4
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ret i32 0
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}
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define i32 @fn1() nounwind uwtable ssp {
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entry:
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%call = call i32 @fn2()
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ret i32 %call
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}
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