[llvm-commits] CVS: llvm/test/Regression/Transforms/IndVarsSimplify/complex-scev.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/IndVarsSimplify:

complex-scev.ll added (r1.1)
---
Log message:

new testcase


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Diffs of the changes:  (+28 -0)

 complex-scev.ll |   28 ++++++++++++++++++++++++++++
 1 files changed, 28 insertions(+)


Index: llvm/test/Regression/Transforms/IndVarsSimplify/complex-scev.ll
diff -c /dev/null llvm/test/Regression/Transforms/IndVarsSimplify/complex-scev.ll:1.1
*** /dev/null	Wed Apr 26 13:33:09 2006
--- llvm/test/Regression/Transforms/IndVarsSimplify/complex-scev.ll	Wed Apr 26 13:32:59 2006
***************
*** 0 ****
--- 1,28 ----
+ ; 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(...)