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28d85f1c49
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14689 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
1.4 KiB
Plaintext
26 lines
1.4 KiB
Plaintext
; This test checks to make sure that constant exprs fold in some simple situations
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; RUN: llvm-as < %s | llvm-dis | not grep '('
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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, ubyte 0),
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int* getelementptr (%Ty* %B, long 0, ubyte 1)) ; true
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;global bool setne (long* %A, long* cast (%Ty* %B to long*)) ; true
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