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62 lines
2.0 KiB
LLVM
62 lines
2.0 KiB
LLVM
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; RUN: llc -mcpu=corei7 -disable-cgp-select2branch < %s
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; We should not crash on this test.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
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target triple = "x86_64-apple-darwin9.0.0"
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@global = external constant [411 x i8], align 1
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define void @snork() nounwind {
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bb:
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br i1 undef, label %bb26, label %bb27
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bb26: ; preds = %bb48, %bb26, %bb
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switch i32 undef, label %bb26 [
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i32 142771596, label %bb28
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]
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bb27: ; preds = %bb48, %bb
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switch i32 undef, label %bb49 [
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i32 142771596, label %bb28
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]
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bb28: ; preds = %bb27, %bb26
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%tmp = load i32, i32* null
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%tmp29 = trunc i32 %tmp to i8
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store i8* undef, i8** undef
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%tmp30 = load i32, i32* null
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%tmp31 = icmp eq i32 %tmp30, 0
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%tmp32 = getelementptr inbounds [411 x i8], [411 x i8]* @global, i32 0, i32 undef
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%tmp33 = load i8, i8* %tmp32, align 1
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%tmp34 = getelementptr inbounds [411 x i8], [411 x i8]* @global, i32 0, i32 0
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%tmp35 = load i8, i8* %tmp34, align 1
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%tmp36 = select i1 %tmp31, i8 %tmp35, i8 %tmp33
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%tmp37 = select i1 undef, i8 %tmp29, i8 %tmp36
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%tmp38 = zext i8 %tmp37 to i32
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%tmp39 = select i1 undef, i32 0, i32 %tmp38
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%tmp40 = getelementptr inbounds i32, i32* null, i32 %tmp39
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%tmp41 = load i32, i32* %tmp40, align 4
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%tmp42 = load i32, i32* undef, align 4
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%tmp43 = load i32, i32* undef
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%tmp44 = xor i32 %tmp42, %tmp43
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%tmp45 = lshr i32 %tmp44, 8
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%tmp46 = lshr i32 %tmp44, 7
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call void @spam()
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unreachable
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bb47: ; No predecessors!
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ret void
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bb48: ; No predecessors!
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br i1 undef, label %bb27, label %bb26
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bb49: ; preds = %bb49, %bb27
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br label %bb49
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bb50: ; preds = %bb50
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br label %bb50
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}
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declare void @spam() noreturn nounwind
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