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