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1; RUN: opt -S -passes=jump-threading,dce < %s | FileCheck %s2target 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"3target triple = "x86_64-apple-darwin10.4"4 5%"struct.llvm::PATypeHolder" = type { ptr }6%"struct.llvm::PointerIntPair<llvm::Use**,2u,llvm::Use::PrevPtrTag,llvm::PointerLikeTypeTraits<llvm::Use**> >" = type { i64 }7%"struct.llvm::Type" = type opaque8%"struct.llvm::Use" = type { ptr, ptr, %"struct.llvm::PointerIntPair<llvm::Use**,2u,llvm::Use::PrevPtrTag,llvm::PointerLikeTypeTraits<llvm::Use**> >" }9%"struct.llvm::Value" = type { ptr, i8, i8, i16, %"struct.llvm::PATypeHolder", ptr, ptr }10%"struct.llvm::ValueName" = type opaque11 12@_ZZN4llvm4castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_E8__func__ = internal constant [5 x i8] c"cast\00", align 8 ; <ptr> [#uses=1]13@.str = private constant [31 x i8] c"include/llvm/Support/Casting.h\00", align 8 ; <ptr> [#uses=1]14@.str1 = private constant [59 x i8] c"isa<X>(Val) && \22cast<Ty>() argument of incompatible type!\22\00", align 8 ; <ptr> [#uses=1]15 16; CHECK: Z3fooPN4llvm5ValueE17define zeroext i8 @_Z3fooPN4llvm5ValueE(ptr %V) ssp {18entry:19 %0 = getelementptr inbounds %"struct.llvm::Value", ptr %V, i64 0, i32 1 ; <ptr> [#uses=1]20 %1 = load i8, ptr %0, align 8 ; <i8> [#uses=2]21 %2 = icmp ugt i8 %1, 20 ; <i1> [#uses=1]22 br i1 %2, label %bb.i, label %bb223 24bb.i: ; preds = %entry25 %toBoolnot.i.i = icmp ult i8 %1, 21 ; <i1> [#uses=1]26 br i1 %toBoolnot.i.i, label %bb6.i.i, label %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit27 28; CHECK-NOT: assert29bb6.i.i: ; preds = %bb.i30 tail call void @__assert_rtn(ptr @_ZZN4llvm4castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_E8__func__, ptr @.str, i32 202, ptr @.str1) noreturn31 unreachable32 33_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit: ; preds = %bb.i34; CHECK-NOT: null35 %3 = icmp eq ptr %V, null ; <i1> [#uses=1]36 br i1 %3, label %bb2, label %bb37 38bb: ; preds = %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit39 tail call void @_ZNK4llvm5Value4dumpEv(ptr %V)40; CHECK: ret41 ret i8 142 43bb2: ; preds = %entry, %_ZN4llvm8dyn_castINS_11InstructionEPNS_5ValueEEENS_10cast_rettyIT_T0_E8ret_typeERKS6_.exit44 ret i8 045}46 47declare void @__assert_rtn(ptr, ptr, i32, ptr) noreturn48 49declare void @_ZNK4llvm5Value4dumpEv(ptr)50