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new testcase

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llvm-svn: 27981
This commit is contained in:
Chris Lattner 2006-04-26 18:32:59 +00:00
parent 3abec16563
commit 24beb0433f
1 changed files with 28 additions and 0 deletions
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test/Regression/Transforms/IndVarsSimplify/complex-scev.ll Normal file
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; The i induction variable looks like a wrap-around, but it really is just
; a simple affine IV. Make sure that indvars eliminates it.
; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep phi | wc -l | grep 1
void %foo() {
entry:
br label %bb6
bb6: ; preds = %cond_true, %entry
%j.0 = phi int [ 1, %entry ], [ %tmp5, %cond_true ] ; <int> [#uses=3]
%i.0 = phi int [ 0, %entry ], [ %j.0, %cond_true ] ; <int> [#uses=1]
%tmp7 = call int (...)* %foo2( ) ; <int> [#uses=1]
%tmp = setne int %tmp7, 0 ; <bool> [#uses=1]
br bool %tmp, label %cond_true, label %return
cond_true: ; preds = %bb6
%tmp2 = call int (...)* %bar( int %i.0, int %j.0 ) ; <int> [#uses=0]
%tmp5 = add int %j.0, 1 ; <int> [#uses=1]
br label %bb6
return: ; preds = %bb6
ret void
}
declare int %bar(...)
declare int %foo2(...)