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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4280 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.2 KiB
LLVM
43 lines
1.2 KiB
LLVM
; This testcase tests for various features the basicaa test should be able to
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; determine, as noted in the comments.
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; RUN: if as < %s | opt -basicaa -load-vn -gcse -instcombine -dce | dis | grep REMOVE
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; RUN: then exit 1
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; RUN: else exit 0
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; RUN: fi
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; Array test: Test that operations on one local array do not invalidate
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; operations on another array. Important for scientific codes.
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;
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int %different_array_test(long %A, long %B) {
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%Array1 = alloca int, uint 100
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%Array2 = alloca int, uint 200
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%pointer = getelementptr int* %Array1, long %A
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%val = load int* %pointer
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%pointer2 = getelementptr int* %Array2, long %B
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store int 7, int* %pointer2
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%REMOVE = load int* %pointer ; redundant with above load
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%retval = sub int %REMOVE, %val
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ret int %retval
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}
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; Constant index test: Constant indexes into the same array should not
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; interfere with each other. Again, important for scientific codes.
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;
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int %constant_array_index_test() {
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%Array = alloca int, uint 100
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%P1 = getelementptr int* %Array, long 7
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%P2 = getelementptr int* %Array, long 6
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%A = load int* %P1
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store int 1, int* %P2 ; Should not invalidate load
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%BREMOVE = load int* %P1
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%Val = sub int %A, %BREMOVE
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ret int %Val
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}
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