| ; RUN: opt < %s -instcombine -S |
| |
| ; Make sure that we don't crash when optimizing the vectors of pointers. |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.8.0" |
| |
| %struct.hoge = type { double*, double*, double*, double** } |
| |
| define void @widget(%struct.hoge* nocapture %arg) nounwind uwtable ssp { |
| bb: |
| %tmp = getelementptr inbounds %struct.hoge, %struct.hoge* %arg, i64 0, i32 0 |
| br i1 undef, label %bb1, label %bb17 |
| |
| bb1: ; preds = %bb |
| br i1 undef, label %bb2, label %bb3 |
| |
| bb2: ; preds = %bb1 |
| br label %bb17 |
| |
| bb3: ; preds = %bb1 |
| %tmp4 = bitcast double** %tmp to <2 x double*>* |
| %tmp5 = load <2 x double*>, <2 x double*>* %tmp4, align 8 |
| %tmp6 = ptrtoint <2 x double*> %tmp5 to <2 x i64> |
| %tmp7 = sub <2 x i64> zeroinitializer, %tmp6 |
| %tmp8 = ashr exact <2 x i64> %tmp7, <i64 3, i64 3> |
| %tmp9 = extractelement <2 x i64> %tmp8, i32 0 |
| %tmp10 = add nsw i64 undef, %tmp9 |
| br i1 undef, label %bb11, label %bb12 |
| |
| bb11: ; preds = %bb3 |
| br label %bb13 |
| |
| bb12: ; preds = %bb3 |
| br label %bb13 |
| |
| bb13: ; preds = %bb12, %bb11 |
| br i1 undef, label %bb16, label %bb14 |
| |
| bb14: ; preds = %bb13 |
| br i1 undef, label %bb16, label %bb15 |
| |
| bb15: ; preds = %bb14 |
| br label %bb16 |
| |
| bb16: ; preds = %bb15, %bb14, %bb13 |
| unreachable |
| |
| bb17: ; preds = %bb2, %bb |
| ret void |
| } |
