xref: /llvm-project/llvm/test/CodeGen/PowerPC/aix-exception.ll (revision 8f6f5ec77615e2ae137d0b1e306abbac6f7fc0e8)
1; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
2; RUN:     -mattr=-altivec -simplifycfg-require-and-preserve-domtree=1 < %s | \
3; RUN:   FileCheck --check-prefixes=ASM,ASMNFS,ASM32 %s
4
5; RUN: llc -verify-machineinstrs -mtriple powerpc64-ibm-aix-xcoff -mcpu=pwr4 \
6; RUN:     -mattr=-altivec -simplifycfg-require-and-preserve-domtree=1 < %s | \
7; RUN:   FileCheck --check-prefixes=ASM,ASMNFS,ASM64 %s
8
9; RUN: llc -verify-machineinstrs -mtriple powerpc-ibm-aix-xcoff -mcpu=pwr4 \
10; RUN:     -mattr=-altivec -simplifycfg-require-and-preserve-domtree=1 \
11; RUN:     -function-sections < %s | \
12; RUN:   FileCheck --check-prefixes=ASM,ASMFS,ASM32 %s
13
14; RUN: llc -verify-machineinstrs -mtriple powerpc64-ibm-aix-xcoff -mcpu=pwr4 \
15; RUN:     -mattr=-altivec -simplifycfg-require-and-preserve-domtree=1 \
16; RUN:     -function-sections < %s | \
17; RUN:   FileCheck --check-prefixes=ASM,ASMFS,ASM64 %s
18
19@_ZTIi = external constant ptr
20
21define void @_Z9throwFuncv() {
22entry:
23  %exception = call ptr @__cxa_allocate_exception(i32 4) #2
24  store i32 1, ptr %exception, align 16
25  call void @__cxa_throw(ptr %exception, ptr @_ZTIi, ptr null) #3
26  unreachable
27}
28
29; ASMNFS: ._Z9throwFuncv:
30; ASMFS:    .csect ._Z9throwFuncv[PR],5
31; ASM:      bl .__cxa_allocate_exception[PR]
32; ASM:      nop
33; ASM32:    lwz 4, L..C0(2)
34; ASM64:    ld 4, L..C0(2)
35; ASM:      bl .__cxa_throw[PR]
36; ASM:      nop
37
38define i32 @_Z9catchFuncv() personality ptr @__xlcxx_personality_v1 {
39entry:
40  %retval = alloca i32, align 4
41  %exn.slot = alloca ptr, align 4
42  %ehselector.slot = alloca i32, align 4
43  %0 = alloca i32, align 4
44  invoke void @_Z9throwFuncv()
45          to label %invoke.cont unwind label %lpad
46
47invoke.cont:                                      ; preds = %entry
48  br label %try.cont
49
50lpad:                                             ; preds = %entry
51  %1 = landingpad { ptr, i32 }
52          catch ptr @_ZTIi
53  %2 = extractvalue { ptr, i32 } %1, 0
54  store ptr %2, ptr %exn.slot, align 4
55  %3 = extractvalue { ptr, i32 } %1, 1
56  store i32 %3, ptr %ehselector.slot, align 4
57  br label %catch.dispatch
58
59catch.dispatch:                                   ; preds = %lpad
60  %sel = load i32, ptr %ehselector.slot, align 4
61  %4 = call i32 @llvm.eh.typeid.for(ptr @_ZTIi) #2
62  %matches = icmp eq i32 %sel, %4
63  br i1 %matches, label %catch, label %eh.resume
64
65catch:                                            ; preds = %catch.dispatch
66  %exn = load ptr, ptr %exn.slot, align 4
67  %5 = call ptr @__cxa_begin_catch(ptr %exn) #2
68  %6 = load i32, ptr %5, align 4
69  store i32 %6, ptr %0, align 4
70  store i32 2, ptr %retval, align 4
71  call void @__cxa_end_catch() #2
72  br label %return
73
74try.cont:                                         ; preds = %invoke.cont
75  store i32 1, ptr %retval, align 4
76  br label %return
77
78return:                                           ; preds = %try.cont, %catch
79  %7 = load i32, ptr %retval, align 4
80  ret i32 %7
81
82eh.resume:                                        ; preds = %catch.dispatch
83  %exn1 = load ptr, ptr %exn.slot, align 4
84  %sel2 = load i32, ptr %ehselector.slot, align 4
85  %lpad.val = insertvalue { ptr, i32 } undef, ptr %exn1, 0
86  %lpad.val3 = insertvalue { ptr, i32 } %lpad.val, i32 %sel2, 1
87  resume { ptr, i32 } %lpad.val3
88}
89
90; ASMNFS: ._Z9catchFuncv:
91; ASMFS:        .csect ._Z9catchFuncv[PR],5
92; ASM:  L..func_begin0:
93; ASM:  # %bb.0:                                # %entry
94; ASM:  	mflr 0
95; ASM:  L..tmp0:
96; ASM:  	bl ._Z9throwFuncv
97; ASM:  	nop
98; ASM:  L..tmp1:
99; ASM:  # %bb.1:                                # %invoke.cont
100; ASM:  	li 3, 1
101; ASM:  L..BB1_2:                               # %return
102; ASM:  	mtlr 0
103; ASM:  	blr
104; ASM:  L..BB1_3:                               # %lpad
105; ASM:  L..tmp2:
106; ASM:  	bl .__cxa_begin_catch[PR]
107; ASM:  	nop
108; ASM:  	bl .__cxa_end_catch[PR]
109; ASM:  	nop
110; ASM:  	b L..BB1_2
111
112; ASM:  L.._Z9catchFuncv0:
113; ASM:    .vbyte  4, 0x00000000                   # Traceback table begin
114; ASM:    .byte   0x00                            # Version = 0
115; ASM:    .byte   0x09                            # Language = CPlusPlus
116; ASM:    .byte   0x20                            # -IsGlobaLinkage, -IsOutOfLineEpilogOrPrologue
117; ASM:                                    # +HasTraceBackTableOffset, -IsInternalProcedure
118; ASM:                                    # -HasControlledStorage, -IsTOCless
119; ASM:                                    # -IsFloatingPointPresent
120; ASM:                                    # -IsFloatingPointOperationLogOrAbortEnabled
121; ASM:    .byte   0x41                            # -IsInterruptHandler, +IsFunctionNamePresent, -IsAllocaUsed
122; ASM:                                    # OnConditionDirective = 0, -IsCRSaved, +IsLRSaved
123; ASM:    .byte   0x80                            # +IsBackChainStored, -IsFixup, NumOfFPRsSaved = 0
124; ASM:    .byte   0x80                            # +HasExtensionTable, -HasVectorInfo, NumOfGPRsSaved = 0
125; ASM:    .byte   0x00                            # NumberOfFixedParms = 0
126; ASM:    .byte   0x01                            # NumberOfFPParms = 0, +HasParmsOnStack
127; ASMNFS: .vbyte  4, L.._Z9catchFuncv0-._Z9catchFuncv # Function size
128; ASMFS:  .vbyte  4, L.._Z9catchFuncv0-._Z9catchFuncv[PR] # Function size
129; ASM:    .vbyte  2, 0x000d                       # Function name len = 13
130; ASM:    .byte   "_Z9catchFuncv"                 # Function Name
131; ASM:    .byte   0x08                            # ExtensionTableFlag = TB_EH_INFO
132; ASM:    .align  2
133; ASM32:  .vbyte  4, L..C1-TOC[TC0]               # EHInfo Table
134; ASM64:  .vbyte  8, L..C1-TOC[TC0]               # EHInfo Table
135; ASM:  L..func_end0:
136
137; ASMNFS:  	.csect .gcc_except_table[RO],2
138; ASMFS:  	.csect .gcc_except_table._Z9catchFuncv[RO],2
139; ASM:  	.align	2
140; ASM:  GCC_except_table1:
141; ASM:  L..exception0:
142; ASM:  	.byte	255                             # @LPStart Encoding = omit
143; ASM32:	.byte	187                             # @TType Encoding = indirect datarel sdata4
144; ASM64:  .byte	188                             # @TType Encoding = indirect datarel sdata8
145; ASM32: 	.byte 37
146; ASM64:  .byte	41
147; ASM:  	.byte	3                               # Call site Encoding = udata4
148; ASM:  	.byte 26
149; ASM:  	.vbyte	4, L..tmp0-L..func_begin0       # >> Call Site 1 <<
150; ASM:  	.vbyte	4, L..tmp1-L..tmp0              #   Call between L..tmp0 and L..tmp1
151; ASM:  	.vbyte	4, L..tmp2-L..func_begin0       #     jumps to L..tmp2
152; ASM:  	.byte	1                               #   On action: 1
153; ASM:  	.vbyte	4, L..tmp1-L..func_begin0       # >> Call Site 2 <<
154; ASM:  	.vbyte	4, L..func_end0-L..tmp1         #   Call between L..tmp1 and L..func_end0
155; ASM:  	.vbyte	4, 0                            #     has no landing pad
156; ASM:  	.byte	0                               #   On action: cleanup
157; ASM:  L..cst_end0:
158; ASM:  	.byte	1                               # >> Action Record 1 <<
159; ASM:                                          #   Catch TypeInfo 1
160; ASM:  	.byte	0                               #   No further actions
161; ASM:  	.align	2
162; ASM:                                          # >> Catch TypeInfos <<
163; ASM32:	.vbyte	4, L..C0-TOC[TC0]               # TypeInfo 1
164; ASM64: 	.vbyte	8, L..C0-TOC[TC0]               # TypeInfo 1
165; ASM:  L..ttbase0:
166; ASM:  	.align	2
167
168; ASMNFS:  	.csect .eh_info_table[RW],2
169; ASMFS:  	.csect .eh_info_table._Z9catchFuncv[RW],2
170; ASM:  __ehinfo.1:
171; ASM:  	.vbyte	4, 0
172; ASM32:  .align  2
173; ASM32:  .vbyte	4, GCC_except_table1
174; ASM32:  .vbyte	4, __xlcxx_personality_v1[DS]
175; ASM64:  .align	3
176; ASM64:  .vbyte	8, GCC_except_table1
177; ASM64:  .vbyte	8, __xlcxx_personality_v1[DS]
178
179; ASM:    .toc
180; ASM:  L..C0:
181; ASM:    .tc _ZTIi[TC],_ZTIi[UA]
182; ASM:  L..C1:
183; ASM:    .tc __ehinfo.1[TE],__ehinfo.1
184
185declare ptr @__cxa_allocate_exception(i32)
186declare void @__cxa_throw(ptr, ptr, ptr)
187declare i32 @__xlcxx_personality_v1(...)
188declare i32 @llvm.eh.typeid.for(ptr)
189declare ptr @__cxa_begin_catch(ptr)
190declare void @__cxa_end_catch()
191