[llvm-commits] CVS: llvm/test/Regression/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll

[Chris Lattner]

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

2004-05-13-DontUnrollTooMuch.ll added (r1.1)

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Log message:

New testcase that used to cause the unroller to try to unroll the loop 2G times.  :(


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Diffs of the changes:  (+15 -0)

Index: llvm/test/Regression/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
diff -c /dev/null llvm/test/Regression/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll:1.1
*** /dev/null	Thu May 13 15:43:25 2004
--- llvm/test/Regression/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll	Thu May 13 15:43:15 2004
***************
*** 0 ****
--- 1,15 ----
+ ; RUN: llvm-as < %s | opt -loop-unroll -disable-output
+ 
+ int %main() {
+ entry:
+         br label %no_exit
+ 
+ no_exit:                ; preds = %entry, %no_exit
+         %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ]            ; <uint> [#uses=1]
+         %indvar.next = add uint %indvar, 1              ; <uint> [#uses=2]
+         %exitcond = setne uint %indvar.next, 2147483648         ; <bool> [#uses=1]
+         br bool %exitcond, label %no_exit, label %loopexit
+ 
+ loopexit:               ; preds = %no_exit
+         ret int 0
+ }