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New testcase for a problem discovered in the SPECINT gzip benchmark.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4015 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-10-02 18:32:38 +00:00
parent 275801b2dd
commit 87d9138f01
1 changed files with 16 additions and 0 deletions
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test/Transforms/LevelRaise/2002-10-02-SignExtensionProblem.ll Normal file
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; RUN: if as < %s | opt -raise | dis | grep 4294967295
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
%length_code = uninitialized global [256 x ubyte]
ubyte* %test(uint %length) {
%d = add uint 4294967295, %length
%e = cast uint %d to int
%g = cast int %e to ulong
%j = cast [256 x ubyte]* %length_code to ulong
%l = add ulong %j, %g
%m = cast ulong %l to ubyte*
ret ubyte* %m
}