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Diffstat (limited to 'test/Transforms/IndVarSimplify/loop_evaluate_2.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/loop_evaluate_2.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/loop_evaluate_2.ll b/test/Transforms/IndVarSimplify/loop_evaluate_2.ll new file mode 100644 index 0000000..efcf20a --- /dev/null +++ b/test/Transforms/IndVarSimplify/loop_evaluate_2.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | opt -indvars -loop-deletion -simplifycfg | opt \ +; RUN: -analyze -loops | not grep "^Loop Containing" +; PR1179 + +define i32 @ltst(i32 %x) { +entry: + icmp sgt i32 %x, 0 ; <i1>:0 [#uses=1] + br i1 %0, label %bb.preheader, label %bb8 + +bb.preheader: ; preds = %entry + br label %bb + +bb: ; preds = %bb, %bb.preheader + %i.01.0 = phi i32 [ %tmp4, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %j.03.0 = phi i32 [ %tmp2, %bb ], [ 0, %bb.preheader ] ; <i32> [#uses=1] + %tmp4 = add i32 %i.01.0, 1 ; <i32> [#uses=2] + %tmp2 = add i32 %j.03.0, 1 ; <i32> [#uses=2] + icmp slt i32 %tmp4, %x ; <i1>:1 [#uses=1] + br i1 %1, label %bb, label %bb8.loopexit + +bb8.loopexit: ; preds = %bb + br label %bb8 + +bb8: ; preds = %bb8.loopexit, %entry + %j.03.1 = phi i32 [ 0, %entry ], [ %tmp2, %bb8.loopexit ] ; <i32> [#uses=1] + ret i32 %j.03.1 +} + |