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
|
; RUN: opt -basicaa -gvn -S < %s | FileCheck %s
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"
%"class.llvm::SmallVector" = type { %"class.llvm::SmallVectorImpl", [1 x %"union.llvm::SmallVectorBase::U"] }
%"class.llvm::SmallVectorImpl" = type { %"class.llvm::SmallVectorTemplateBase" }
%"class.llvm::SmallVectorTemplateBase" = type { %"class.llvm::SmallVectorTemplateCommon" }
%"class.llvm::SmallVectorTemplateCommon" = type { %"class.llvm::SmallVectorBase" }
%"class.llvm::SmallVectorBase" = type { i8*, i8*, i8*, %"union.llvm::SmallVectorBase::U" }
%"union.llvm::SmallVectorBase::U" = type { x86_fp80 }
; Function Attrs: ssp uwtable
define void @_Z4testv() #0 {
; CHECK: @_Z4testv()
; CHECK: invoke.cont:
; CHECK: br i1 true, label %new.notnull.i11, label %if.end.i14
; CHECK: Retry.i10:
entry:
%sv = alloca %"class.llvm::SmallVector", align 16
%0 = bitcast %"class.llvm::SmallVector"* %sv to i8*
call void @llvm.lifetime.start(i64 64, i8* %0) #1
%BeginX.i.i.i.i.i.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 0
%FirstEl.i.i.i.i.i.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 3
%1 = bitcast %"union.llvm::SmallVectorBase::U"* %FirstEl.i.i.i.i.i.i to i8*
store i8* %1, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
%EndX.i.i.i.i.i.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 1
store i8* %1, i8** %EndX.i.i.i.i.i.i, align 8, !tbaa !4
%CapacityX.i.i.i.i.i.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 2
%add.ptr.i.i.i.i2.i.i = getelementptr inbounds %"union.llvm::SmallVectorBase::U", %"union.llvm::SmallVectorBase::U"* %FirstEl.i.i.i.i.i.i, i64 2
%add.ptr.i.i.i.i.i.i = bitcast %"union.llvm::SmallVectorBase::U"* %add.ptr.i.i.i.i2.i.i to i8*
store i8* %add.ptr.i.i.i.i.i.i, i8** %CapacityX.i.i.i.i.i.i, align 16, !tbaa !4
%EndX.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 1
%2 = load i8*, i8** %EndX.i, align 8, !tbaa !4
%CapacityX.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 2
%cmp.i = icmp ult i8* %2, %add.ptr.i.i.i.i.i.i
br i1 %cmp.i, label %Retry.i, label %if.end.i
Retry.i: ; preds = %.noexc, %entry
%3 = phi i8* [ %2, %entry ], [ %.pre.i, %.noexc ]
%new.isnull.i = icmp eq i8* %3, null
br i1 %new.isnull.i, label %invoke.cont, label %new.notnull.i
new.notnull.i: ; preds = %Retry.i
%4 = bitcast i8* %3 to i32*
store i32 1, i32* %4, align 4, !tbaa !5
br label %invoke.cont
if.end.i: ; preds = %entry
%5 = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0
invoke void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"* %5, i64 0, i64 4)
to label %.noexc unwind label %lpad
.noexc: ; preds = %if.end.i
%.pre.i = load i8*, i8** %EndX.i, align 8, !tbaa !4
br label %Retry.i
invoke.cont: ; preds = %new.notnull.i, %Retry.i
%add.ptr.i = getelementptr inbounds i8, i8* %3, i64 4
store i8* %add.ptr.i, i8** %EndX.i, align 8, !tbaa !4
%6 = load i8*, i8** %CapacityX.i, align 16, !tbaa !4
%cmp.i8 = icmp ult i8* %add.ptr.i, %6
br i1 %cmp.i8, label %new.notnull.i11, label %if.end.i14
Retry.i10: ; preds = %if.end.i14
%.pre.i13 = load i8*, i8** %EndX.i, align 8, !tbaa !4
%new.isnull.i9 = icmp eq i8* %.pre.i13, null
br i1 %new.isnull.i9, label %invoke.cont2, label %new.notnull.i11
new.notnull.i11: ; preds = %invoke.cont, %Retry.i10
%7 = phi i8* [ %.pre.i13, %Retry.i10 ], [ %add.ptr.i, %invoke.cont ]
%8 = bitcast i8* %7 to i32*
store i32 2, i32* %8, align 4, !tbaa !5
br label %invoke.cont2
if.end.i14: ; preds = %invoke.cont
%9 = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0
invoke void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"* %9, i64 0, i64 4)
to label %Retry.i10 unwind label %lpad
invoke.cont2: ; preds = %new.notnull.i11, %Retry.i10
%10 = phi i8* [ null, %Retry.i10 ], [ %7, %new.notnull.i11 ]
%add.ptr.i12 = getelementptr inbounds i8, i8* %10, i64 4
store i8* %add.ptr.i12, i8** %EndX.i, align 8, !tbaa !4
invoke void @_Z1gRN4llvm11SmallVectorIiLj8EEE(%"class.llvm::SmallVector"* %sv)
to label %invoke.cont3 unwind label %lpad
invoke.cont3: ; preds = %invoke.cont2
%11 = load i8*, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
%cmp.i.i.i.i19 = icmp eq i8* %11, %1
br i1 %cmp.i.i.i.i19, label %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit21, label %if.then.i.i.i20
if.then.i.i.i20: ; preds = %invoke.cont3
call void @free(i8* %11) #1
br label %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit21
_ZN4llvm11SmallVectorIiLj8EED1Ev.exit21: ; preds = %invoke.cont3, %if.then.i.i.i20
call void @llvm.lifetime.end(i64 64, i8* %0) #1
ret void
lpad: ; preds = %if.end.i14, %if.end.i, %invoke.cont2
%12 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
cleanup
%13 = load i8*, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
%cmp.i.i.i.i = icmp eq i8* %13, %1
br i1 %cmp.i.i.i.i, label %eh.resume, label %if.then.i.i.i
if.then.i.i.i: ; preds = %lpad
call void @free(i8* %13) #1
br label %eh.resume
eh.resume: ; preds = %if.then.i.i.i, %lpad
resume { i8*, i32 } %12
}
; Function Attrs: nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture) #1
declare i32 @__gxx_personality_v0(...)
declare void @_Z1gRN4llvm11SmallVectorIiLj8EEE(%"class.llvm::SmallVector"*) #2
; Function Attrs: nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) #1
declare void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"*, i64, i64) #2
; Function Attrs: nounwind
declare void @free(i8* nocapture) #3
attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind }
attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #3 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
!0 = !{!"any pointer", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}
!3 = !{!"int", !1}
!4 = !{!0, !0, i64 0}
!5 = !{!3, !3, i64 0}
|
