1 ; RUN: opt < %s -instcombine -S 2 3 ; Make sure that we don't crash when optimizing the vectors of pointers. 4 5 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" 6 target triple = "x86_64-apple-macosx10.8.0" 7 8 %struct.hoge = type { double*, double*, double*, double** } 9 10 define void @widget(%struct.hoge* nocapture %arg) nounwind uwtable ssp { 11 bb: 12 %tmp = getelementptr inbounds %struct.hoge* %arg, i64 0, i32 0 13 br i1 undef, label %bb1, label %bb17 14 15 bb1: ; preds = %bb 16 br i1 undef, label %bb2, label %bb3 17 18 bb2: ; preds = %bb1 19 br label %bb17 20 21 bb3: ; preds = %bb1 22 %tmp4 = bitcast double** %tmp to <2 x double*>* 23 %tmp5 = load <2 x double*>* %tmp4, align 8 24 %tmp6 = ptrtoint <2 x double*> %tmp5 to <2 x i64> 25 %tmp7 = sub <2 x i64> zeroinitializer, %tmp6 26 %tmp8 = ashr exact <2 x i64> %tmp7, <i64 3, i64 3> 27 %tmp9 = extractelement <2 x i64> %tmp8, i32 0 28 %tmp10 = add nsw i64 undef, %tmp9 29 br i1 undef, label %bb11, label %bb12 30 31 bb11: ; preds = %bb3 32 br label %bb13 33 34 bb12: ; preds = %bb3 35 br label %bb13 36 37 bb13: ; preds = %bb12, %bb11 38 br i1 undef, label %bb16, label %bb14 39 40 bb14: ; preds = %bb13 41 br i1 undef, label %bb16, label %bb15 42 43 bb15: ; preds = %bb14 44 br label %bb16 45 46 bb16: ; preds = %bb15, %bb14, %bb13 47 unreachable 48 49 bb17: ; preds = %bb2, %bb 50 ret void 51 } 52
