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Diffstat (limited to 'test/Transforms/SCCP/2002-05-02-EdgeFailure.ll')
| -rw-r--r-- | test/Transforms/SCCP/2002-05-02-EdgeFailure.ll | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/test/Transforms/SCCP/2002-05-02-EdgeFailure.ll b/test/Transforms/SCCP/2002-05-02-EdgeFailure.ll deleted file mode 100644 index bb0cf04f67..0000000000 --- a/test/Transforms/SCCP/2002-05-02-EdgeFailure.ll +++ /dev/null @@ -1,26 +0,0 @@ -; edgefailure - This function illustrates how SCCP is not doing it's job. This -; function should be optimized almost completely away: the loop should be -; analyzed to detect that the body executes exactly once, and thus the branch -; can be eliminated and code becomes trivially dead. This is distilled from a -; real benchmark (mst from Olden benchmark, MakeGraph function). When SCCP is -; fixed, this should be eliminated by a single SCCP application. -; -; RUN: opt < %s -sccp -S | not grep loop - -define i32* @test() { -bb1: - %A = malloc i32 ; <i32*> [#uses=2] - br label %bb2 -bb2: ; preds = %bb2, %bb1 - ;; Always 0 - %i = phi i32 [ %i2, %bb2 ], [ 0, %bb1 ] ; <i32> [#uses=2] - ;; Always 1 - %i2 = add i32 %i, 1 ; <i32> [#uses=2] - store i32 %i, i32* %A - ;; Always false - %loop = icmp sle i32 %i2, 0 ; <i1> [#uses=1] - br i1 %loop, label %bb2, label %bb3 -bb3: ; preds = %bb2 - ret i32* %A -} - |