xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/sjlj-eh.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare void @_Z20function_that_throwsv()
4*9880d681SAndroid Build Coastguard Workerdeclare i32 @__gxx_personality_sj0(...)
5*9880d681SAndroid Build Coastguard Workerdeclare i8* @__cxa_begin_catch(i8*)
6*9880d681SAndroid Build Coastguard Workerdeclare void @__cxa_end_catch()
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerdefine void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
9*9880d681SAndroid Build Coastguard Workerentry:
10*9880d681SAndroid Build Coastguard Worker  invoke void @_Z20function_that_throwsv()
11*9880d681SAndroid Build Coastguard Worker          to label %try.cont unwind label %lpad
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerlpad:
14*9880d681SAndroid Build Coastguard Worker  %0 = landingpad { i8*, i32 }
15*9880d681SAndroid Build Coastguard Worker          catch i8* null
16*9880d681SAndroid Build Coastguard Worker  %1 = extractvalue { i8*, i32 } %0, 0
17*9880d681SAndroid Build Coastguard Worker  %2 = tail call i8* @__cxa_begin_catch(i8* %1)
18*9880d681SAndroid Build Coastguard Worker  tail call void @__cxa_end_catch()
19*9880d681SAndroid Build Coastguard Worker  br label %try.cont
20*9880d681SAndroid Build Coastguard Worker
21*9880d681SAndroid Build Coastguard Workertry.cont:
22*9880d681SAndroid Build Coastguard Worker  ret void
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Worker;     struct _Unwind_FunctionContext {
26*9880d681SAndroid Build Coastguard Worker; +00   struct _Unwind_FunctionContext *prev;   -64(%ebp)
27*9880d681SAndroid Build Coastguard Worker; +04   uintptr_t __callsite;                   -60(%ebp)
28*9880d681SAndroid Build Coastguard Worker; +08   uintptr_t __buffer[4];                  -44(%ebp)
29*9880d681SAndroid Build Coastguard Worker; +28   __personality_routine __personality;    -40(%ebp)
30*9880d681SAndroid Build Coastguard Worker; +32   uintptr_t __lsda;                       -36(%ebp)
31*9880d681SAndroid Build Coastguard Worker; +36   void *__jbuf[];                         -32(%ebp)
32*9880d681SAndroid Build Coastguard Worker;     };
33*9880d681SAndroid Build Coastguard Worker
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: __Z8functionv:
36*9880d681SAndroid Build Coastguard Worker;     struct _Unwind_FunctionContext UFC;
37*9880d681SAndroid Build Coastguard Worker;
38*9880d681SAndroid Build Coastguard Worker;     UFC.__personality = __gxx_personality_sj0
39*9880d681SAndroid Build Coastguard Worker; CHECK: movl $___gxx_personality_sj0, -40(%ebp)
40*9880d681SAndroid Build Coastguard Worker;     UFC.__lsda = $LSDA
41*9880d681SAndroid Build Coastguard Worker; CHECK: movl $[[LSDA:GCC_except_table[0-9]+]], -36(%ebp)
42*9880d681SAndroid Build Coastguard Worker;     UFC.__jbuf[0] = $EBP
43*9880d681SAndroid Build Coastguard Worker; CHECK: movl %ebp, -32(%ebp)
44*9880d681SAndroid Build Coastguard Worker;     UFC.__jbuf[2] = $ESP
45*9880d681SAndroid Build Coastguard Worker; CHECK: movl %esp, -24(%ebp)
46*9880d681SAndroid Build Coastguard Worker;     UFC.__jbuf[1] = $EIP
47*9880d681SAndroid Build Coastguard Worker; CHECK: movl $[[RESUME:LBB[0-9]+_[0-9]+]], -28(%ebp)
48*9880d681SAndroid Build Coastguard Worker;     UFC.__callsite = 1
49*9880d681SAndroid Build Coastguard Worker; CHECK: movl $1, -60(%ebp)
50*9880d681SAndroid Build Coastguard Worker;     _Unwind_SjLj_Register(&UFC);
51*9880d681SAndroid Build Coastguard Worker; CHECK: leal -64(%ebp), %eax
52*9880d681SAndroid Build Coastguard Worker; CHECK: pushl %eax
53*9880d681SAndroid Build Coastguard Worker; CHECK: calll __Unwind_SjLj_Register
54*9880d681SAndroid Build Coastguard Worker; CHECK: addl $4, %esp
55*9880d681SAndroid Build Coastguard Worker;     function_that_throws();
56*9880d681SAndroid Build Coastguard Worker; CHECK: calll __Z20function_that_throwsv
57*9880d681SAndroid Build Coastguard Worker;     _Unwind_SjLj_Unregister(&UFC);
58*9880d681SAndroid Build Coastguard Worker; CHECK: leal -64(%ebp), %eax
59*9880d681SAndroid Build Coastguard Worker; CHECK: calll __Unwind_SjLj_Unregister
60*9880d681SAndroid Build Coastguard Worker;
61*9880d681SAndroid Build Coastguard Worker; CHECK: [[RESUME]]:
62*9880d681SAndroid Build Coastguard Worker; CHECK: leal -64(%ebp), %esi
63*9880d681SAndroid Build Coastguard Worker;     assert(UFC.__callsite <= 1);
64*9880d681SAndroid Build Coastguard Worker; CHECK: movl -60(%ebp), %eax
65*9880d681SAndroid Build Coastguard Worker; CHECK: cmpl $1, %eax
66*9880d681SAndroid Build Coastguard Worker; CHECK: jbe [[CONT:LBB[0-9]+_[0-9]+]]
67*9880d681SAndroid Build Coastguard Worker; CHECK: ud2
68*9880d681SAndroid Build Coastguard Worker; CHECK: [[CONT]]:
69*9880d681SAndroid Build Coastguard Worker;     *Handlers[--UFC.__callsite]
70*9880d681SAndroid Build Coastguard Worker; CHECK: subl $1, %eax
71*9880d681SAndroid Build Coastguard Worker; CHECK: jmpl *LJTI
72*9880d681SAndroid Build Coastguard Worker
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