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Regression test for PR#596: Make sure that negation of a minus doesn't

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turn into a C predecrement operator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22438 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
John Criswell 2005-07-14 19:56:03 +00:00
parent ce4e1e419e
commit 8bf0f64923
1 changed files with 19 additions and 0 deletions
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test/CodeGen/CBackend/2005-07-14-NegationToMinusMinus.ll Normal file
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; RUN: llvm-as < %s | llc -march=c | not grep "\-\-65535"
; ModuleID = '<stdin>'
target endian = little
target pointersize = 32
target triple = "i686-pc-linux-gnu"
implementation ; Functions:
declare void %func(int)
void %funcb() {
entry:
%tmp.1 = sub int 0, -65535 ; <int> [#uses=1]
call void %func( int %tmp.1 )
br label %return
return: ; preds = %entry
ret void
}