; RUN: llc -mtriple=x86_64-apple-macosx10.5.0 < %s
; rdar://12968664
define void @t() nounwind uwtable ssp {
br label %4
; <label>:1 ; preds = %4, %2
ret void
; <label>:2 ; preds = %6, %5, %3, %2
switch i32 undef, label %2 [
i32 1090573978, label %1
i32 1090573938, label %3
i32 1090573957, label %5
]
; <label>:3 ; preds = %4, %2
br i1 undef, label %2, label %4
; <label>:4 ; preds = %6, %5, %3, %0
switch i32 undef, label %11 [
i32 1090573938, label %3
i32 1090573957, label %5
i32 1090573978, label %1
i32 165205179, label %6
]
; <label>:5 ; preds = %4, %2
br i1 undef, label %2, label %4
; <label>:6 ; preds = %4
%7 = icmp eq i32 undef, 590901838
%8 = or i1 false, %7
%9 = or i1 true, %8
%10 = xor i1 %8, %9
br i1 %10, label %4, label %2
; <label>:11 ; preds = %11, %4
br label %11
}
; PR15608
@global = external constant [2 x i8]
define void @PR15608() {
bb:
br label %bb3
bb1: ; No predecessors!
%constexpr = ptrtoint ptr @global to i64
%constexpr1 = zext i64 %constexpr to i384
%constexpr2 = shl i384 %constexpr1, 192
%constexpr3 = or i384 %constexpr2, 425269881901436522087161771558896140289
%constexpr4 = lshr i384 %constexpr3, 128
%constexpr5 = trunc i384 %constexpr4 to i128
%constexpr6 = lshr i128 %constexpr5, 64
%constexpr7 = trunc i128 %constexpr6 to i64
%constexpr8 = zext i64 %constexpr7 to i192
%constexpr9 = shl i192 %constexpr8, 64
%constexpr10 = or i192 %constexpr9, 1
%constexpr11 = lshr i192 %constexpr10, 128
%constexpr12 = trunc i192 %constexpr11 to i1
%constexpr13 = zext i1 %constexpr12 to i64
%constexpr14 = xor i64 %constexpr13, 1
%constexpr15 = icmp ult i64 %constexpr14, 1
br i1 %constexpr15, label %bb2, label %bb3
bb2: ; preds = %bb1
unreachable
bb3: ; preds = %bb1, %bb
%constexpr16 = ptrtoint ptr @global to i64
%constexpr17 = zext i64 %constexpr16 to i384
%constexpr18 = shl i384 %constexpr17, 192
%constexpr19 = or i384 %constexpr18, 425269881901436522087161771558896140289
%constexpr20 = lshr i384 %constexpr19, 128
%constexpr21 = trunc i384 %constexpr20 to i128
%constexpr22 = lshr i128 %constexpr21, 64
%constexpr23 = trunc i128 %constexpr22 to i64
%constexpr24 = zext i64 %constexpr23 to i192
%constexpr25 = shl i192 %constexpr24, 64
%constexpr26 = or i192 %constexpr25, 1
%constexpr27 = lshr i192 %constexpr26, 128
%constexpr28 = trunc i192 %constexpr27 to i1
%constexpr29 = and i192 %constexpr26, -340282366920938463463374607431768211457
%constexpr30 = zext i1 %constexpr28 to i192
%constexpr31 = shl i192 %constexpr30, 128
%constexpr32 = or i192 %constexpr29, %constexpr31
%constexpr33 = lshr i192 %constexpr32, 128
%constexpr34 = trunc i192 %constexpr33 to i1
%constexpr35 = xor i1 %constexpr28, %constexpr34
br i1 %constexpr35, label %bb7, label %phi.constexpr
phi.constexpr: ; preds = %bb3
%constexpr36 = ptrtoint ptr @global to i64
%constexpr37 = zext i64 %constexpr36 to i384
%constexpr38 = shl i384 %constexpr37, 192
%constexpr39 = or i384 %constexpr38, 425269881901436522087161771558896140289
%constexpr40 = lshr i384 %constexpr39, 128
%constexpr41 = trunc i384 %constexpr40 to i128
%constexpr42 = lshr i128 %constexpr41, 64
%constexpr43 = trunc i128 %constexpr42 to i64
%constexpr44 = zext i64 %constexpr43 to i192
%constexpr45 = shl i192 %constexpr44, 64
%constexpr46 = or i192 %constexpr45, 1
%constexpr47 = and i192 %constexpr46, -340282366920938463463374607431768211457
%constexpr48 = lshr i192 %constexpr46, 128
%constexpr49 = trunc i192 %constexpr48 to i1
%constexpr50 = zext i1 %constexpr49 to i192
%constexpr51 = shl i192 %constexpr50, 128
%constexpr52 = or i192 %constexpr47, %constexpr51
%constexpr53 = lshr i192 %constexpr52, 128
%constexpr54 = trunc i192 %constexpr53 to i1
br label %bb4
bb4: ; preds = %phi.constexpr, %bb6
%tmp = phi i1 [ true, %bb6 ], [ %constexpr54, %phi.constexpr ]
br i1 false, label %bb8, label %bb5
bb5: ; preds = %bb4
br i1 %tmp, label %bb8, label %bb6
bb6: ; preds = %bb5
br i1 false, label %bb8, label %bb4
bb7: ; preds = %bb3
unreachable
bb8: ; preds = %bb6, %bb5, %bb4
unreachable
}
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