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Diffstat (limited to 'test/Transforms/LoopUnswitch/basictest.ll')
| -rw-r--r-- | test/Transforms/LoopUnswitch/basictest.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnswitch/basictest.ll b/test/Transforms/LoopUnswitch/basictest.ll new file mode 100644 index 0000000..1e6f2cf --- /dev/null +++ b/test/Transforms/LoopUnswitch/basictest.ll @@ -0,0 +1,31 @@ +; RUN: opt < %s -loop-unswitch -disable-output + +define i32 @test(i32* %A, i1 %C) { +entry: + br label %no_exit +no_exit: ; preds = %no_exit.backedge, %entry + %i.0.0 = phi i32 [ 0, %entry ], [ %i.0.0.be, %no_exit.backedge ] ; <i32> [#uses=3] + %gep.upgrd.1 = zext i32 %i.0.0 to i64 ; <i64> [#uses=1] + %tmp.7 = getelementptr i32* %A, i64 %gep.upgrd.1 ; <i32*> [#uses=4] + %tmp.13 = load i32* %tmp.7 ; <i32> [#uses=2] + %tmp.14 = add i32 %tmp.13, 1 ; <i32> [#uses=1] + store i32 %tmp.14, i32* %tmp.7 + br i1 %C, label %then, label %endif +then: ; preds = %no_exit + %tmp.29 = load i32* %tmp.7 ; <i32> [#uses=1] + %tmp.30 = add i32 %tmp.29, 2 ; <i32> [#uses=1] + store i32 %tmp.30, i32* %tmp.7 + %inc9 = add i32 %i.0.0, 1 ; <i32> [#uses=2] + %tmp.112 = icmp ult i32 %inc9, 100000 ; <i1> [#uses=1] + br i1 %tmp.112, label %no_exit.backedge, label %return +no_exit.backedge: ; preds = %endif, %then + %i.0.0.be = phi i32 [ %inc9, %then ], [ %inc, %endif ] ; <i32> [#uses=1] + br label %no_exit +endif: ; preds = %no_exit + %inc = add i32 %i.0.0, 1 ; <i32> [#uses=2] + %tmp.1 = icmp ult i32 %inc, 100000 ; <i1> [#uses=1] + br i1 %tmp.1, label %no_exit.backedge, label %return +return: ; preds = %endif, %then + ret i32 %tmp.13 +} + |