1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -instcombine -S | FileCheck %s
3 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-S128"
5 declare noalias i8* @malloc(i32) nounwind
6 declare noalias i8* @_Znwm(i64) ; new(unsigned long)
7 declare i32 @__gxx_personality_v0(...)
8 declare void @__cxa_call_unexpected(i8*)
9 declare i64 @llvm.objectsize.i64(i8*, i1) nounwind readonly
11 define i64 @f1(i8 **%esc) {
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
17 %call = call i8* @malloc(i32 4)
18 store i8* %call, i8** %esc
19 %size = call i64 @llvm.objectsize.i64(i8* %call, i1 false)
24 define i64 @f2(i8** %esc) nounwind uwtable ssp personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
27 ; CHECK-NEXT: [[CALL:%.*]] = invoke noalias dereferenceable(13) i8* @_Znwm(i64 13)
28 ; CHECK-NEXT: to label [[INVOKE_CONT:%.*]] unwind label [[LPAD:%.*]]
30 ; CHECK-NEXT: store i8* [[CALL]], i8** [[ESC:%.*]], align 8
31 ; CHECK-NEXT: ret i64 13
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
40 %call = invoke noalias i8* @_Znwm(i64 13)
41 to label %invoke.cont unwind label %lpad
44 store i8* %call, i8** %esc
45 %0 = tail call i64 @llvm.objectsize.i64(i8* %call, i1 false)
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