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1; RUN: opt < %s -passes=instcombine -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-S128"3 4declare i32 @__gxx_personality_v0(...)5declare void @__cxa_call_unexpected(ptr)6declare i64 @llvm.objectsize.i64(ptr, i1) nounwind readonly7declare ptr @_Znwm(i64)8 9 10; CHECK-LABEL: @f1(11define i64 @f1() nounwind uwtable ssp personality ptr @__gxx_personality_v0 {12entry:13; CHECK: nvoke noalias ptr undef()14 %call = invoke noalias ptr undef()15 to label %invoke.cont unwind label %lpad16 17invoke.cont:18; CHECK: ret i64 019 %0 = tail call i64 @llvm.objectsize.i64(ptr %call, i1 false)20 ret i64 %021 22lpad:23 %1 = landingpad { ptr, i32 }24 filter [0 x ptr] zeroinitializer25 %2 = extractvalue { ptr, i32 } %1, 026 tail call void @__cxa_call_unexpected(ptr %2) noreturn nounwind27 unreachable28}29 30; CHECK-LABEL: @f2(31define i64 @f2() nounwind uwtable ssp personality ptr @__gxx_personality_v0 {32entry:33; CHECK: nvoke noalias ptr null()34 %call = invoke noalias ptr null()35 to label %invoke.cont unwind label %lpad36 37invoke.cont:38; CHECK: ret i64 039 %0 = tail call i64 @llvm.objectsize.i64(ptr %call, i1 false)40 ret i64 %041 42lpad:43 %1 = landingpad { ptr, i32 }44 filter [0 x ptr] zeroinitializer45 %2 = extractvalue { ptr, i32 } %1, 046 tail call void @__cxa_call_unexpected(ptr %2) noreturn nounwind47 unreachable48}49 50; CHECK-LABEL: @f2_no_null_opt(51define i64 @f2_no_null_opt() nounwind uwtable ssp #0 personality ptr @__gxx_personality_v0 {52entry:53; CHECK: invoke noalias ptr null()54 %call = invoke noalias ptr null()55 to label %invoke.cont unwind label %lpad56 57invoke.cont:58; CHECK: call i64 @llvm.objectsize.i64.p0(ptr %call, i1 false, i1 false, i1 false)59 %0 = tail call i64 @llvm.objectsize.i64(ptr %call, i1 false)60 ret i64 %061 62lpad:63 %1 = landingpad { ptr, i32 }64 filter [0 x ptr] zeroinitializer65 %2 = extractvalue { ptr, i32 } %1, 066 tail call void @__cxa_call_unexpected(ptr %2) noreturn nounwind67 unreachable68}69attributes #0 = { null_pointer_is_valid }70 71; CHECK-LABEL: @f3(72define void @f3() nounwind uwtable ssp personality ptr @__gxx_personality_v0 {73; CHECK: invoke void @llvm.donothing()74 %call = invoke noalias ptr @_Znwm(i64 13)75 to label %invoke.cont unwind label %lpad76 77invoke.cont:78 ret void79 80lpad:81 %1 = landingpad { ptr, i32 }82 filter [0 x ptr] zeroinitializer83 %2 = extractvalue { ptr, i32 } %1, 084 tail call void @__cxa_call_unexpected(ptr %2) noreturn nounwind85 unreachable86}87