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new testcase miscompiled by instcombine

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28018 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-28 22:17:20 +00:00
parent 25b8b8cb2c
commit c624b5a049
1 changed files with 10 additions and 0 deletions
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test/Transforms/InstCombine/2006-04-28-ShiftShiftLongLong.ll Normal file
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; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep shl &&
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep cast
; This cannot be turned into a sign extending cast!
long %test(long %X) {
%Y = shl long %X, ubyte 16
%Z = shr long %Y, ubyte 16
ret long %Z
}