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Testcase for a missed level raise opportunity

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1932 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2002-03-21 21:20:04 +00:00
parent 9e77f7e08b
commit 6e848eac1b
1 changed files with 25 additions and 0 deletions
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test/Transforms/LevelRaise/2002-03-21-MissedRaise.ll Normal file
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; This example should be raised to return a Hash directly without casting. To
; successful, all cast instructions should be eliminated from this testcase.
;
; RUN: if as < %s | opt -raise | dis | grep cast
; RUN: then exit 1
; RUN: else exit 0
; RUN: fi
%Hash = type { { uint, sbyte *, \2 } * *, int (uint) *, int } *
%hash = type { { uint, sbyte *, \2 } * *, int (uint) *, int }
%hash_el = type { uint, sbyte *, \2 } *
implementation
%Hash "MakeHash"(int %size, int (uint) * %map)
begin
%reg112 = malloc sbyte, uint 24 ; <sbyte *> [#uses=5]
%reg115 = malloc sbyte, uint 96 ; <sbyte *> [#uses=1]
%cast237 = cast sbyte * %reg112 to sbyte * * ; <sbyte * *> [#uses=1]
store sbyte * %reg115, sbyte * * %cast237
%cast246 = cast sbyte * %reg112 to %Hash ; <%Hash> [#uses=1]
ret %Hash %cast246
end