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Diffstat (limited to 'test/Transforms/IndVarSimplify/loop_evaluate_5.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/loop_evaluate_5.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/loop_evaluate_5.ll b/test/Transforms/IndVarSimplify/loop_evaluate_5.ll new file mode 100644 index 0000000000000..c6ce4a2122da3 --- /dev/null +++ b/test/Transforms/IndVarSimplify/loop_evaluate_5.ll @@ -0,0 +1,32 @@ +; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep {120, %bb2.bb3_crit_edge} +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64" +target triple = "i686-pc-linux-gnu" + +; Indvars should be able to compute an exit value for %tmp1. + +define i32 @testcase(i5 zeroext %k) nounwind readnone { +entry: + br i1 false, label %bb3, label %bb.nph + +bb.nph: ; preds = %entry + br label %bb + +bb: ; preds = %bb2, %bb.nph + %result2 = phi i32 [ %tmp1, %bb2 ], [ 0, %bb.nph ] ; <i32> [#uses=1] + %k_01 = phi i5 [ %indvar_next1, %bb2 ], [ 0, %bb.nph ] ; <i5> [#uses=2] + %tmp2 = zext i5 %k_01 to i32 ; <i32> [#uses=1] + %tmp1 = add i32 %tmp2, %result2 ; <i32> [#uses=2] + %indvar_next1 = add i5 %k_01, 1 ; <i5> [#uses=2] + br label %bb2 + +bb2: ; preds = %bb + %phitmp = icmp eq i5 %indvar_next1, -16 ; <i1> [#uses=1] + br i1 %phitmp, label %bb2.bb3_crit_edge, label %bb + +bb2.bb3_crit_edge: ; preds = %bb2 + br label %bb3 + +bb3: ; preds = %bb2.bb3_crit_edge, %entry + %result.lcssa = phi i32 [ %tmp1, %bb2.bb3_crit_edge ], [ 0, %entry ] ; <i32> [#uses=1] + ret i32 %result.lcssa +} |