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31 lines
1.6 KiB
Plaintext
31 lines
1.6 KiB
Plaintext
; This test checks to make sure that constant exprs fold in some simple
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; situations
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; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | not grep '(' &&
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; RUN: llvm-upgrade < %s | llvm-as
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%A = global long 0
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global long* cast (long add (long cast (long* %A to long), long 0) to long*) ; X + 0 == X
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global long* cast (long sub (long cast (long* %A to long), long 0) to long*) ; X - 0 == X
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global long* cast (long mul (long cast (long* %A to long), long 0) to long*) ; X * 0 == 0
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global long* cast (long div (long cast (long* %A to long), long 1) to long*) ; X / 1 == X
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global long* cast (long rem (long cast (long* %A to long), long 1) to long*) ; X % 1 == 0
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global long* cast (long and (long cast (long* %A to long), long 0) to long*) ; X & 0 == 0
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global long* cast (long and (long cast (long* %A to long), long -1) to long*) ; X & -1 == X
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global long or (long cast (long* %A to long), long -1) ; X | -1 == -1
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global long* cast (long xor (long cast (long* %A to long), long 0) to long*) ; X ^ 0 == X
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%Ty = type { int, int }
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%B = external global %Ty
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global bool setlt (long* %A, long* getelementptr (long* %A, long 1)) ; true
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global bool setlt (long* %A, long* getelementptr (long* %A, long 0)) ; false
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global bool setlt (int* getelementptr (%Ty* %B, long 0, uint 0),
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int* getelementptr (%Ty* %B, long 0, uint 1)) ; true
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;global bool setne (long* %A, long* cast (%Ty* %B to long*)) ; true
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global bool seteq ({ short }* cast (int 1 to { short }*), { short }* null)
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global bool setlt ({ short }* cast (int 1 to { short }*), { short }* cast (int 2 to { short }*))
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