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Diffstat (limited to 'test/Transforms/IndVarSimplify/2012-10-19-congruent-constant.ll')
-rw-r--r-- | test/Transforms/IndVarSimplify/2012-10-19-congruent-constant.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Transforms/IndVarSimplify/2012-10-19-congruent-constant.ll b/test/Transforms/IndVarSimplify/2012-10-19-congruent-constant.ll new file mode 100644 index 0000000000000..5c478669d2986 --- /dev/null +++ b/test/Transforms/IndVarSimplify/2012-10-19-congruent-constant.ll @@ -0,0 +1,27 @@ +; RUN: opt -S -indvars < %s | FileCheck %s + +; PR12627 +define void @test1(i32 %x) nounwind uwtable ssp { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %phi1 = phi i1 [ false, %entry ], [ %cmpa, %for.body ] + %phi2 = phi i1 [ false, %entry ], [ %cmpb, %for.body ] + %i.07 = phi i32 [ 0, %entry ], [ %inc, %for.body ] + tail call void @aux(i1 %phi1, i1 %phi2) nounwind + %cmpa = icmp sgt i32 %i.07, 200 + %cmpb = icmp sgt i32 %i.07, 100 + %inc = add nsw i32 %i.07, 1 + %exitcond = icmp eq i32 %inc, 100 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret void + +; CHECK: @test1 +; CHECK-NOT: phi i1 +; CHECK: call void @aux(i1 false, i1 false) +} + +declare void @aux(i1, i1) |