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Diffstat (limited to 'test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll')
| -rw-r--r-- | test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll b/test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll new file mode 100644 index 0000000..6adb268 --- /dev/null +++ b/test/Transforms/LoopIndexSplit/OneIterLoop3-2007-08-17.ll @@ -0,0 +1,34 @@ +; Loop is elimianted. Save last value assignments, including induction variable. +; RUN: opt < %s -loop-index-split -disable-output -stats | not grep "loop-index-split" + +declare i32 @foo(i32) +declare i32 @bar(i32, i32) + +define void @foobar(i32 %a, i32 %b) { +entry: + br label %bb + +bb: ; preds = %cond_next, %entry + %i.01.0 = phi i32 [ 0, %entry ], [ %tmp8, %cond_next ] ; <i32> [#uses=3] + %tsum.16.0 = phi i32 [ 42, %entry ], [ %tsum.0, %cond_next ] ; <i32> [#uses=2] + %tmp1 = icmp eq i32 %i.01.0, 50 ; <i1> [#uses=1] + br i1 %tmp1, label %cond_true, label %cond_next + +cond_true: ; preds = %bb + %tmp4 = tail call i32 @foo( i32 %i.01.0 ) ; <i32> [#uses=1] + %tmp6 = add i32 %tmp4, %tsum.16.0 ; <i32> [#uses=1] + br label %cond_next + +cond_next: ; preds = %bb, %cond_true + %tsum.0 = phi i32 [ %tmp6, %cond_true ], [ %tsum.16.0, %bb ] ; <i32> [#uses=2] + %tmp8 = add i32 %i.01.0, 1 ; <i32> [#uses=3] + %tmp11 = icmp slt i32 %tmp8, 100 ; <i1> [#uses=1] + br i1 %tmp11, label %bb, label %bb14 + +bb14: ; preds = %cond_next + %tmp8.lcssa = phi i32 [ %tmp8, %cond_next ] ; <i32> [#uses=1] + %tsum.0.lcssa = phi i32 [ %tsum.0, %cond_next ] ; <i32> [#uses=1] + %tmp17 = tail call i32 @bar( i32 %tmp8.lcssa, i32 %tsum.0.lcssa ) ; <i32> [#uses=0] + ret void +} + |