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; RUN: opt -S -jump-threading -dce < %s | FileCheck %s
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"
target triple = "x86_64-apple-darwin10.4"
%"struct.llvm::PATypeHolder" = type { %"struct.llvm::Type"* }
%"struct.llvm::PointerIntPair<llvm::Use**,2u,llvm::Use::PrevPtrTag,llvm::PointerLikeTypeTraits<llvm::Use**> >" = type { i64 }
%"struct.llvm::Type" = type opaque
%"struct.llvm::Use" = type { %"struct.llvm::Value"*, %"struct.llvm::Use"*, %"struct.llvm::PointerIntPair<llvm::Use**,2u,llvm::Use::PrevPtrTag,llvm::PointerLikeTypeTraits<llvm::Use**> >" }
%"struct.llvm::Value" = type { i32 (...)**, i8, i8, i16, %"struct.llvm::PATypeHolder", %"struct.llvm::Use"*, %"struct.llvm::ValueName"* }
%"struct.llvm::ValueName" = type opaque
@_ZZN4llvm4castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_E8__func__ = internal constant [5 x i8] c"cast\00", align 8 ; <[5 x i8]*> [#uses=1]
@.str = private constant [31 x i8] c"include/llvm/Support/Casting.h\00", align 8 ; <[31 x i8]*> [#uses=1]
@.str1 = private constant [59 x i8] c"isa<X>(Val) && \22cast<Ty>() argument of incompatible type!\22\00", align 8 ; <[59 x i8]*> [#uses=1]
; CHECK: Z3fooPN4llvm5ValueE
define zeroext i8 @_Z3fooPN4llvm5ValueE(%"struct.llvm::Value"* %V) ssp {
entry:
%0 = getelementptr inbounds %"struct.llvm::Value", %"struct.llvm::Value"* %V, i64 0, i32 1 ; <i8*> [#uses=1]
%1 = load i8, i8* %0, align 8 ; <i8> [#uses=2]
%2 = icmp ugt i8 %1, 20 ; <i1> [#uses=1]
br i1 %2, label %bb.i, label %bb2
bb.i: ; preds = %entry
%toBoolnot.i.i = icmp ult i8 %1, 21 ; <i1> [#uses=1]
br i1 %toBoolnot.i.i, label %bb6.i.i, label %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit
; CHECK-NOT: assert
bb6.i.i: ; preds = %bb.i
tail call void @__assert_rtn(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @_ZZN4llvm4castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_E8__func__, i64 0, i64 0), i8* getelementptr inbounds ([31 x i8], [31 x i8]* @.str, i64 0, i64 0), i32 202, i8* getelementptr inbounds ([59 x i8], [59 x i8]* @.str1, i64 0, i64 0)) noreturn
unreachable
_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit: ; preds = %bb.i
; CHECK-NOT: null
%3 = icmp eq %"struct.llvm::Value"* %V, null ; <i1> [#uses=1]
br i1 %3, label %bb2, label %bb
bb: ; preds = %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit
tail call void @_ZNK4llvm5Value4dumpEv(%"struct.llvm::Value"* %V)
; CHECK: ret
ret i8 1
bb2: ; preds = %entry, %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit
ret i8 0
}
declare void @__assert_rtn(i8*, i8*, i32, i8*) noreturn
declare void @_ZNK4llvm5Value4dumpEv(%"struct.llvm::Value"*)
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