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Diffstat (limited to 'llvm/test/Analysis/ScalarEvolution/2008-11-18-LessThanOrEqual.ll')
| -rw-r--r-- | llvm/test/Analysis/ScalarEvolution/2008-11-18-LessThanOrEqual.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/llvm/test/Analysis/ScalarEvolution/2008-11-18-LessThanOrEqual.ll b/llvm/test/Analysis/ScalarEvolution/2008-11-18-LessThanOrEqual.ll new file mode 100644 index 00000000000..6bacfabd4d7 --- /dev/null +++ b/llvm/test/Analysis/ScalarEvolution/2008-11-18-LessThanOrEqual.ll @@ -0,0 +1,31 @@ +; RUN: llvm-as < %s | opt -analyze -scalar-evolution |& \ +; RUN: grep {Loop bb: (7 + (-1 \\* %argc)) iterations!} + +define i32 @main(i32 %argc, i8** %argv) nounwind { +entry: + %0 = icmp ugt i32 %argc, 7 ; <i1> [#uses=1] + br i1 %0, label %bb2, label %bb.nph + +bb.nph: ; preds = %entry + br label %bb + +bb: ; preds = %bb.nph, %bb1 + %indvar = phi i32 [ 0, %bb.nph ], [ %indvar.next, %bb1 ] ; <i32> [#uses=2] + %argc_addr.04 = add i32 %indvar, %argc ; <i32> [#uses=1] + tail call void (...)* @Test() nounwind + %1 = add i32 %argc_addr.04, 1 ; <i32> [#uses=1] + br label %bb1 + +bb1: ; preds = %bb + %phitmp = icmp ugt i32 %1, 7 ; <i1> [#uses=1] + %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] + br i1 %phitmp, label %bb1.bb2_crit_edge, label %bb + +bb1.bb2_crit_edge: ; preds = %bb1 + br label %bb2 + +bb2: ; preds = %bb1.bb2_crit_edge, %entry + ret i32 0 +} + +declare void @Test(...) |
