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Reid Spencerd7c2c2f2006-12-02 20:34:08 +00001; This test checks to make sure that constant exprs fold in some simple
2; situations
Chris Lattner75d14122004-01-13 05:32:27 +00003
Reid Spencer69ccadd2006-12-02 04:23:10 +00004; RUN: llvm-upgrade < %s | llvm-as | llvm-dis | not grep '(' &&
Reid Spencerd7c2c2f2006-12-02 20:34:08 +00005; RUN: llvm-upgrade < %s | llvm-as
Chris Lattner75d14122004-01-13 05:32:27 +00006
7%A = global long 0
8
9global long* cast (long add (long cast (long* %A to long), long 0) to long*) ; X + 0 == X
10global long* cast (long sub (long cast (long* %A to long), long 0) to long*) ; X - 0 == X
11global long* cast (long mul (long cast (long* %A to long), long 0) to long*) ; X * 0 == 0
12global long* cast (long div (long cast (long* %A to long), long 1) to long*) ; X / 1 == X
13global long* cast (long rem (long cast (long* %A to long), long 1) to long*) ; X % 1 == 0
14global long* cast (long and (long cast (long* %A to long), long 0) to long*) ; X & 0 == 0
15global long* cast (long and (long cast (long* %A to long), long -1) to long*) ; X & -1 == X
16global long or (long cast (long* %A to long), long -1) ; X | -1 == -1
17global long* cast (long xor (long cast (long* %A to long), long 0) to long*) ; X ^ 0 == X
18
19%Ty = type { int, int }
20%B = external global %Ty
21
22global bool setlt (long* %A, long* getelementptr (long* %A, long 1)) ; true
23global bool setlt (long* %A, long* getelementptr (long* %A, long 0)) ; false
Reid Spencere5d4efa2006-11-23 15:14:52 +000024global bool setlt (int* getelementptr (%Ty* %B, long 0, uint 0),
25 int* getelementptr (%Ty* %B, long 0, uint 1)) ; true
Chris Lattner28d85f12004-07-08 15:38:23 +000026;global bool setne (long* %A, long* cast (%Ty* %B to long*)) ; true
Chris Lattner75d14122004-01-13 05:32:27 +000027
Chris Lattner63540f52006-01-05 07:46:46 +000028global bool seteq ({ short }* cast (int 1 to { short }*), { short }* null)
29global bool setlt ({ short }* cast (int 1 to { short }*), { short }* cast (int 2 to { short }*))
30