1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le -verify-machineinstrs | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64 -mcpu=ppc -verify-machineinstrs | FileCheck %s \
; RUN: --check-prefix=BE
%struct.__jmp_buf_tag = type { [64 x i64], i32, %struct.__sigset_t, [8 x i8] }
%struct.__sigset_t = type { [16 x i64] }
@.str = private unnamed_addr constant [33 x i8] c"Successfully returned from main\0A\00", align 1
; Function Attrs: nounwind
define dso_local signext i32 @main(i32 signext %argc, ptr nocapture readnone %argv) local_unnamed_addr #0 {
; CHECK-LABEL: main:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: mfocrf 12, 32
; CHECK-NEXT: std 31, -8(1)
; CHECK-NEXT: stw 12, 8(1)
; CHECK-NEXT: mflr 0
; CHECK-NEXT: stdu 1, -784(1)
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: cmpwi 2, 3, 2
; CHECK-NEXT: li 4, 0
; CHECK-NEXT: # kill: def $r4 killed $r4 killed $x4
; CHECK-NEXT: mr 3, 4
; CHECK-NEXT: std 0, 800(1)
; CHECK-NEXT: mr 31, 1
; CHECK-NEXT: blt 2, .LBB0_3
; CHECK-NEXT: # %bb.1: # %if.end
; CHECK-NEXT: addi 3, 31, 112
; CHECK-NEXT: bl _setjmp
; CHECK-NEXT: nop
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: cmpwi 3, 0
; CHECK-NEXT: crorc 20, 10, 2
; CHECK-NEXT: bc 4, 20, .LBB0_4
; CHECK-NEXT: # %bb.2: # %if.end5
; CHECK-NEXT: addis 3, 2, .L.str@toc@ha
; CHECK-NEXT: addi 3, 3, .L.str@toc@l
; CHECK-NEXT: bl printf
; CHECK-NEXT: nop
; CHECK-NEXT: # kill: def $r3 killed $r3 killed $x3
; CHECK-NEXT: .LBB0_3: # %return
; CHECK-NEXT: # kill: def $r3 killed $r3 def $x3
; CHECK-NEXT: addi 1, 31, 784
; CHECK-NEXT: ld 0, 16(1)
; CHECK-NEXT: lwz 12, 8(1)
; CHECK-NEXT: ld 31, -8(1)
; CHECK-NEXT: mtlr 0
; CHECK-NEXT: mtocrf 32, 12
; CHECK-NEXT: blr
; CHECK-NEXT: .LBB0_4: # %if.then3
; CHECK-NEXT: ld 4, 0(1)
; CHECK-NEXT: stdu 4, -16(1)
; CHECK-NEXT: addi 3, 1, 96
; CHECK-NEXT: li 4, -1
; CHECK-NEXT: stb 4, 0(3)
; CHECK-NEXT: addi 4, 31, 112
; CHECK-NEXT: bl test
; CHECK-NEXT: nop
;
; BE-LABEL: main:
; BE: # %bb.0: # %entry
; BE-NEXT: mfcr 12
; BE-NEXT: mflr 0
; BE-NEXT: std 31, -8(1)
; BE-NEXT: stw 12, 8(1)
; BE-NEXT: stdu 1, -800(1)
; BE-NEXT: li 4, 0
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: # kill: def $r4 killed $r4 killed $x4
; BE-NEXT: cmpwi 2, 3, 2
; BE-NEXT: mr 3, 4
; BE-NEXT: std 0, 816(1)
; BE-NEXT: mr 31, 1
; BE-NEXT: blt 2, .LBB0_3
; BE-NEXT: # %bb.1: # %if.end
; BE-NEXT: addi 3, 31, 128
; BE-NEXT: bl _setjmp
; BE-NEXT: nop
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: cmpwi 3, 0
; BE-NEXT: crorc 20, 10, 2
; BE-NEXT: bc 4, 20, .LBB0_4
; BE-NEXT: # %bb.2: # %if.end5
; BE-NEXT: addis 3, 2, .L.str@toc@ha
; BE-NEXT: addi 3, 3, .L.str@toc@l
; BE-NEXT: bl printf
; BE-NEXT: nop
; BE-NEXT: # kill: def $r3 killed $r3 killed $x3
; BE-NEXT: .LBB0_3: # %return
; BE-NEXT: # kill: def $r3 killed $r3 def $x3
; BE-NEXT: addi 1, 31, 800
; BE-NEXT: ld 0, 16(1)
; BE-NEXT: lwz 12, 8(1)
; BE-NEXT: ld 31, -8(1)
; BE-NEXT: mtlr 0
; BE-NEXT: mtcrf 32, 12 # cr2
; BE-NEXT: blr
; BE-NEXT: .LBB0_4: # %if.then3
; BE-NEXT: ld 4, 0(1)
; BE-NEXT: stdu 4, -16(1)
; BE-NEXT: addi 3, 1, 112
; BE-NEXT: li 4, -1
; BE-NEXT: stb 4, 0(3)
; BE-NEXT: addi 4, 31, 128
; BE-NEXT: bl test
; BE-NEXT: nop
entry:
%env_buffer = alloca [1 x %struct.__jmp_buf_tag], align 16
%cmp = icmp slt i32 %argc, 2
br i1 %cmp, label %return, label %if.end
if.end: ; preds = %entry
call void @llvm.lifetime.start.p0(i64 656, ptr nonnull %env_buffer) #5
%call = call signext i32 @_setjmp(ptr nonnull %env_buffer) #6
%cmp1 = icmp ne i32 %argc, 2
%cmp2 = icmp eq i32 %call, 0
%or.cond = and i1 %cmp1, %cmp2
br i1 %or.cond, label %if.then3, label %if.end5
if.then3: ; preds = %if.end
%0 = alloca [8 x i8], align 16
store i8 -1, ptr %0, align 16
call void @test(ptr nonnull %0, ptr nonnull %env_buffer) #7
unreachable
if.end5: ; preds = %if.end
%call6 = call signext i32 (ptr, ...) @printf(ptr nonnull dereferenceable(1) @.str)
call void @llvm.lifetime.end.p0(i64 656, ptr nonnull %env_buffer) #5
br label %return
return: ; preds = %entry, %if.end5
%retval.0 = phi i32 [ %call6, %if.end5 ], [ 0, %entry ]
ret i32 %retval.0
}
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
; Function Attrs: nounwind returns_twice
declare signext i32 @_setjmp(ptr) local_unnamed_addr
; Function Attrs: noreturn
declare void @test(ptr, ptr) local_unnamed_addr
; Function Attrs: nofree nounwind
declare noundef signext i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr
; Function Attrs: argmemonly nofree nosync nounwind willreturn
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
attributes #0 = { nounwind }
attributes #6 = { nounwind returns_twice }
|
