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TestRunner tests). This makes creating the new test database class easier to implement. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8841 91177308-0d34-0410-b5e6-96231b3b80d8
17 lines
460 B
LLVM
17 lines
460 B
LLVM
; A test for "physical subtyping" used in some C programs...
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;
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; RUN: analyze %s -tddatastructure
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;
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%ST = type { int, int* } ; "Subtype"
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%DT = type { int, int*, int } ; "derived type"
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int %test(%DT* %DT) {
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%DTp = getelementptr %DT* %DT, long 0, ubyte 0
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%A = load int* %DTp
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%ST = cast %DT* %DT to %ST*
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%STp = getelementptr %ST* %ST, long 0, ubyte 0
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%B = load int* %STp
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%C = sub int %A, %B ; A & B are equal, %C = 0
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ret int %C
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}
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