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Diffstat (limited to 'test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll b/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll new file mode 100644 index 0000000..268b8d1 --- /dev/null +++ b/test/Transforms/IndVarSimplify/2007-01-06-TripCount.ll @@ -0,0 +1,38 @@ +; PR1015 +; RUN: opt < %s -indvars -S | not grep {ret i32 0} + +target datalayout = "e-p:32:32" +target triple = "i686-apple-darwin8" +@foo = internal constant [5 x i8] c"\00abc\00" ; <[5 x i8]*> [#uses=1] +@str = internal constant [4 x i8] c"%d\0A\00" ; <[4 x i8]*> [#uses=1] + + +define i32 @test(i32 %J) { +entry: + br label %bb2 + +bb: ; preds = %cond_next, %cond_true + %tmp1 = add i32 %i.0, 1 ; <i32> [#uses=1] + br label %bb2 + +bb2: ; preds = %bb, %entry + %i.0 = phi i32 [ 0, %entry ], [ %tmp1, %bb ] ; <i32> [#uses=4] + %tmp = icmp eq i32 %i.0, 0 ; <i1> [#uses=1] + br i1 %tmp, label %cond_true, label %cond_next + +cond_true: ; preds = %bb2 + br label %bb + +cond_next: ; preds = %bb2 + %tmp2 = getelementptr [5 x i8]* @foo, i32 0, i32 %i.0 ; <i8*> [#uses=1] + %tmp3 = load i8* %tmp2 ; <i8> [#uses=1] + %tmp5 = icmp eq i8 %tmp3, 0 ; <i1> [#uses=1] + br i1 %tmp5, label %bb6, label %bb + +bb6: ; preds = %cond_next + br label %return + +return: ; preds = %bb6 + ret i32 %i.0 +} + |