1 ; FIXME: Fix machine verifier issues and remove -verify-machineinstrs=0. PR39439.
2 ; RUN: llc -mtriple i386-windows-gnu -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s
3 ; RUN: llc -mtriple x86_64-windows-gnu -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s -check-prefix CHECK-X64
4 ; RUN: llc -mtriple x86_64-linux -exception-model sjlj -filetype asm -o - %s -verify-machineinstrs=0 | FileCheck %s -check-prefix CHECK-X64-LINUX
6 declare void @_Z20function_that_throwsv()
7 declare i32 @__gxx_personality_sj0(...)
8 declare i8* @__cxa_begin_catch(i8*)
9 declare void @__cxa_end_catch()
11 define void @_Z8functionv() personality i8* bitcast (i32 (...)* @__gxx_personality_sj0 to i8*) {
13 invoke void @_Z20function_that_throwsv()
14 to label %try.cont unwind label %lpad
17 %0 = landingpad { i8*, i32 }
19 %1 = extractvalue { i8*, i32 } %0, 0
20 %2 = tail call i8* @__cxa_begin_catch(i8* %1)
21 tail call void @__cxa_end_catch()
28 ; struct _Unwind_FunctionContext {
29 ; +00 struct _Unwind_FunctionContext *prev; -64(%ebp)
30 ; +04 uint32_t __callsite; -60(%ebp)
31 ; +08 uint32_t __buffer[4]; -56(%ebp)
32 ; +24 __personality_routine __personality; -40(%ebp)
33 ; +28 uintptr_t __lsda; -36(%ebp)
34 ; +32 void *__jbuf[]; -32(%ebp)
38 ; CHECK-LABEL: __Z8functionv:
39 ; struct _Unwind_FunctionContext UFC;
41 ; UFC.__personality = __gxx_personality_sj0
42 ; CHECK: movl $___gxx_personality_sj0, -40(%ebp)
44 ; CHECK: movl $[[LSDA:GCC_except_table[0-9]+]], -36(%ebp)
45 ; UFC.__jbuf[0] = $ebp
46 ; CHECK: movl %ebp, -32(%ebp)
47 ; UFC.__jbuf[2] = $esp
48 ; CHECK: movl %esp, -24(%ebp)
49 ; UFC.__jbuf[1] = $EIP
50 ; CHECK: movl $[[RESUME:LBB[0-9]+_[0-9]+]], -28(%ebp)
52 ; CHECK: movl $1, -60(%ebp)
53 ; _Unwind_SjLj_Register(&UFC);
54 ; CHECK: leal -64(%ebp), %eax
56 ; CHECK: calll __Unwind_SjLj_Register
57 ; CHECK: addl $4, %esp
58 ; function_that_throws();
59 ; CHECK: calll __Z20function_that_throwsv
60 ; _Unwind_SjLj_Unregister(&UFC);
61 ; CHECK: leal -64(%ebp), %eax
62 ; CHECK: calll __Unwind_SjLj_Unregister
65 ; CHECK: leal -64(%ebp), %esi
66 ; assert(UFC.__callsite < 1);
67 ; CHECK: movl -60(%ebp), %eax
68 ; CHECK: cmpl $1, %eax
69 ; CHECK: jb [[CONT:LBB[0-9]+_[0-9]+]]
72 ; *Handlers[UFC.__callsite]
76 ; struct _Unwind_FunctionContext {
77 ; +00 struct _Unwind_FunctionContext *prev; -312(%rbp)
78 ; +08 uint32_t __callsite; -304(%rbp)
79 ; +12 uint32_t __buffer[4]; -300(%rbp)
80 ; +32 __personality_routine __personality; -280(%rbp)
81 ; +40 uintptr_t __lsda; -272(%rbp)
82 ; +48 void *__jbuf[]; -264(%rbp)
86 ; CHECK-X64-LABEL: _Z8functionv:
87 ; struct _Unwind_FunctionContext UFC;
89 ; UFC.__personality = __gxx_personality_sj0
90 ; CHECK-X64: leaq __gxx_personality_sj0(%rip), %rax
91 ; CHECK-X64: movq %rax, -280(%rbp)
93 ; CHECK-X64: leaq [[LSDA:GCC_except_table[0-9]+]](%rip), %rax
94 ; CHECK-X64: movq %rax, -272(%rbp)
95 ; UFC.__jbuf[0] = $rbp
96 ; CHECK-X64: movq %rbp, -264(%rbp)
97 ; UFC.__jbuf[2] = $rsp
98 ; CHECK-X64: movq %rsp, -248(%rbp)
99 ; UFC.__jbuf[1] = $RIP
100 ; CHECK-X64: leaq .[[RESUME:LBB[0-9]+_[0-9]+]](%rip), %rax
101 ; CHECK-X64: movq %rax, -256(%rbp)
103 ; CHECK-X64: movl $1, -304(%rbp)
104 ; _Unwind_SjLj_Register(&UFC);
105 ; CHECK-X64: leaq -312(%rbp), %rcx
106 ; CHECK-X64: callq _Unwind_SjLj_Register
107 ; function_that_throws();
108 ; CHECK-X64: callq _Z20function_that_throwsv
109 ; _Unwind_SjLj_Unregister(&UFC);
110 ; CHECK-X64: leaq -312(%rbp), %rcx
111 ; CHECK-X64: callq _Unwind_SjLj_Unregister
113 ; CHECK-X64: [[RESUME]]:
114 ; assert(UFC.__callsite < 1);
115 ; CHECK-X64: movl -304(%rbp), %eax
116 ; CHECK-X64: cmpl $1, %eax
117 ; CHECK-X64: jb .[[CONT:LBB[0-9]+_[0-9]+]]
119 ; CHECK-X64: [[CONT]]:
120 ; *Handlers[UFC.__callsite]
121 ; CHECK-X64: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx
122 ; CHECK-X64: movl (%rcx,%rax,4), %eax
124 ; CHECK-X64: addq %rcx, %rax
125 ; CHECK-X64: jmpq *%rax
127 ; CHECK-X64-LINUX: .[[RESUME:LBB[0-9]+_[0-9]+]]:
128 ; assert(UFC.__callsite < 1);
129 ; CHECK-X64-LINUX: movl -120(%rbp), %eax
130 ; CHECK-X64-LINUX: cmpl $1, %eax
131 ; CHECK-X64-LINUX: jb .[[CONT:LBB[0-9]+_[0-9]+]]
132 ; CHECK-X64-LINUX: ud2
133 ; CHECK-X64-LINUX: [[CONT]]:
134 ; *Handlers[UFC.__callsite]
135 ; CHECK-X64-LINUX: leaq .[[TABLE:LJTI[0-9]+_[0-9]+]](%rip), %rcx
136 ; CHECK-X64-LINUX: jmpq *(%rcx,%rax,8)