1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt < %s -instcombine -S | FileCheck %s 3target 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" 4 5declare noalias i8* @malloc(i32) nounwind 6declare noalias i8* @_Znwm(i64) ; new(unsigned long) 7declare i32 @__gxx_personality_v0(...) 8declare void @__cxa_call_unexpected(i8*) 9declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly 10 11define i64 @f1(i8 **%esc) { 12; CHECK-LABEL: @f1( 13; CHECK-NEXT: [[CALL:%.*]] = call dereferenceable_or_null(4) i8* @malloc(i32 4) 14; CHECK-NEXT: store i8* [[CALL]], i8** [[ESC:%.*]], align 8 15; CHECK-NEXT: ret i64 4 16; 17 %call = call i8* @malloc(i32 4) 18 store i8* %call, i8** %esc 19 %size = call i64 @llvm.objectsize.i64(i8* %call, i1 false) 20 ret i64 %size 21} 22 23 24define i64 @f2(i8** %esc) nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { 25; CHECK-LABEL: @f2( 26; CHECK-NEXT: entry: 27; CHECK-NEXT: [[CALL:%.*]] = invoke noalias dereferenceable(13) i8* @_Znwm(i64 13) 28; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]] 29; CHECK: invoke.cont: 30; CHECK-NEXT: store i8* [[CALL]], i8** [[ESC:%.*]], align 8 31; CHECK-NEXT: ret i64 13 32; CHECK: lpad: 33; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 } 34; CHECK-NEXT: filter [0 x i8*] zeroinitializer 35; CHECK-NEXT: [[TMP1:%.*]] = extractvalue { i8*, i32 } [[TMP0]], 0 36; CHECK-NEXT: tail call void @__cxa_call_unexpected(i8* [[TMP1]]) #3 37; CHECK-NEXT: unreachable 38; 39entry: 40 %call = invoke noalias i8* @_Znwm(i64 13) 41 to label %invoke.cont unwind label %lpad 42 43invoke.cont: 44 store i8* %call, i8** %esc 45 %0 = tail call i64 @llvm.objectsize.i64(i8* %call, i1 false) 46 ret i64 %0 47 48lpad: 49 %1 = landingpad { i8*, i32 } 50 filter [0 x i8*] zeroinitializer 51 %2 = extractvalue { i8*, i32 } %1, 0 52 tail call void @__cxa_call_unexpected(i8* %2) noreturn nounwind 53 unreachable 54} 55