1; RUN: opt < %s -instcombine -S | FileCheck %s
2target 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 noalias i8* @malloc(i32) nounwind
5declare noalias i8* @_Znwm(i64)  ; new(unsigned long)
6declare i32 @__gxx_personality_v0(...)
7declare void @__cxa_call_unexpected(i8*)
8declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly
9
10; CHECK-LABEL: @f1(
11define i64 @f1(i8 **%esc) {
12  %call = call i8* @malloc(i32 4)
13  store i8* %call, i8** %esc
14  %size = call i64 @llvm.objectsize.i64(i8* %call, i1 false)
15; CHECK: ret i64 4
16  ret i64 %size
17}
18
19
20; CHECK-LABEL: @f2(
21define i64 @f2(i8** %esc) nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
22entry:
23; CHECK: invoke noalias i8* @_Znwm(i64 13)
24  %call = invoke noalias i8* @_Znwm(i64 13)
25          to label %invoke.cont unwind label %lpad
26
27invoke.cont:
28; CHECK: ret i64 13
29  store i8* %call, i8** %esc
30  %0 = tail call i64 @llvm.objectsize.i64(i8* %call, i1 false)
31  ret i64 %0
32
33lpad:
34  %1 = landingpad { i8*, i32 }
35          filter [0 x i8*] zeroinitializer
36  %2 = extractvalue { i8*, i32 } %1, 0
37  tail call void @__cxa_call_unexpected(i8* %2) noreturn nounwind
38  unreachable
39}
40