1 ; RUN: opt -basic-aa -gvn -S < %s | FileCheck %s
2 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"
4 %"class.llvm::SmallVector" = type { %"class.llvm::SmallVectorImpl", [1 x %"union.llvm::SmallVectorBase::U"] }
5 %"class.llvm::SmallVectorImpl" = type { %"class.llvm::SmallVectorTemplateBase" }
6 %"class.llvm::SmallVectorTemplateBase" = type { %"class.llvm::SmallVectorTemplateCommon" }
7 %"class.llvm::SmallVectorTemplateCommon" = type { %"class.llvm::SmallVectorBase" }
8 %"class.llvm::SmallVectorBase" = type { i8*, i8*, i8*, %"union.llvm::SmallVectorBase::U" }
9 %"union.llvm::SmallVectorBase::U" = type { x86_fp80 }
11 ; Function Attrs: ssp uwtable
12 define void @_Z4testv() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) {
15 ; CHECK: br i1 true, label %new.notnull.i11, label %if.end.i14
19 %sv = alloca %"class.llvm::SmallVector", align 16
20 %0 = bitcast %"class.llvm::SmallVector"* %sv to i8*
21 call void @llvm.lifetime.start.p0i8(i64 64, i8* %0) #1
22 %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
23 %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
24 %1 = bitcast %"union.llvm::SmallVectorBase::U"* %FirstEl.i.i.i.i.i.i to i8*
25 store i8* %1, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
26 %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
27 store i8* %1, i8** %EndX.i.i.i.i.i.i, align 8, !tbaa !4
28 %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
29 %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
30 %add.ptr.i.i.i.i.i.i = bitcast %"union.llvm::SmallVectorBase::U"* %add.ptr.i.i.i.i2.i.i to i8*
31 store i8* %add.ptr.i.i.i.i.i.i, i8** %CapacityX.i.i.i.i.i.i, align 16, !tbaa !4
32 %EndX.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 1
33 %2 = load i8*, i8** %EndX.i, align 8, !tbaa !4
34 %CapacityX.i = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0, i32 2
35 %cmp.i = icmp ult i8* %2, %add.ptr.i.i.i.i.i.i
36 br i1 %cmp.i, label %Retry.i, label %if.end.i
38 Retry.i: ; preds = %.noexc, %entry
39 %3 = phi i8* [ %2, %entry ], [ %.pre.i, %.noexc ]
40 %new.isnull.i = icmp eq i8* %3, null
41 br i1 %new.isnull.i, label %invoke.cont, label %new.notnull.i
43 new.notnull.i: ; preds = %Retry.i
44 %4 = bitcast i8* %3 to i32*
45 store i32 1, i32* %4, align 4, !tbaa !5
48 if.end.i: ; preds = %entry
49 %5 = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0
50 invoke void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"* %5, i64 0, i64 4)
51 to label %.noexc unwind label %lpad
53 .noexc: ; preds = %if.end.i
54 %.pre.i = load i8*, i8** %EndX.i, align 8, !tbaa !4
57 invoke.cont: ; preds = %new.notnull.i, %Retry.i
58 %add.ptr.i = getelementptr inbounds i8, i8* %3, i64 4
59 store i8* %add.ptr.i, i8** %EndX.i, align 8, !tbaa !4
60 %6 = load i8*, i8** %CapacityX.i, align 16, !tbaa !4
61 %cmp.i8 = icmp ult i8* %add.ptr.i, %6
62 br i1 %cmp.i8, label %new.notnull.i11, label %if.end.i14
64 Retry.i10: ; preds = %if.end.i14
65 %.pre.i13 = load i8*, i8** %EndX.i, align 8, !tbaa !4
66 %new.isnull.i9 = icmp eq i8* %.pre.i13, null
67 br i1 %new.isnull.i9, label %invoke.cont2, label %new.notnull.i11
69 new.notnull.i11: ; preds = %invoke.cont, %Retry.i10
70 %7 = phi i8* [ %.pre.i13, %Retry.i10 ], [ %add.ptr.i, %invoke.cont ]
71 %8 = bitcast i8* %7 to i32*
72 store i32 2, i32* %8, align 4, !tbaa !5
73 br label %invoke.cont2
75 if.end.i14: ; preds = %invoke.cont
76 %9 = getelementptr inbounds %"class.llvm::SmallVector", %"class.llvm::SmallVector"* %sv, i64 0, i32 0, i32 0, i32 0, i32 0
77 invoke void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"* %9, i64 0, i64 4)
78 to label %Retry.i10 unwind label %lpad
80 invoke.cont2: ; preds = %new.notnull.i11, %Retry.i10
81 %10 = phi i8* [ null, %Retry.i10 ], [ %7, %new.notnull.i11 ]
82 %add.ptr.i12 = getelementptr inbounds i8, i8* %10, i64 4
83 store i8* %add.ptr.i12, i8** %EndX.i, align 8, !tbaa !4
84 invoke void @_Z1gRN4llvm11SmallVectorIiLj8EEE(%"class.llvm::SmallVector"* %sv)
85 to label %invoke.cont3 unwind label %lpad
87 invoke.cont3: ; preds = %invoke.cont2
88 %11 = load i8*, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
89 %cmp.i.i.i.i19 = icmp eq i8* %11, %1
90 br i1 %cmp.i.i.i.i19, label %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit21, label %if.then.i.i.i20
92 if.then.i.i.i20: ; preds = %invoke.cont3
93 call void @free(i8* %11) #1
94 br label %_ZN4llvm11SmallVectorIiLj8EED1Ev.exit21
96 _ZN4llvm11SmallVectorIiLj8EED1Ev.exit21: ; preds = %invoke.cont3, %if.then.i.i.i20
97 call void @llvm.lifetime.end.p0i8(i64 64, i8* %0) #1
100 lpad: ; preds = %if.end.i14, %if.end.i, %invoke.cont2
101 %12 = landingpad { i8*, i32 }
103 %13 = load i8*, i8** %BeginX.i.i.i.i.i.i, align 16, !tbaa !4
104 %cmp.i.i.i.i = icmp eq i8* %13, %1
105 br i1 %cmp.i.i.i.i, label %eh.resume, label %if.then.i.i.i
107 if.then.i.i.i: ; preds = %lpad
108 call void @free(i8* %13) #1
111 eh.resume: ; preds = %if.then.i.i.i, %lpad
112 resume { i8*, i32 } %12
115 ; Function Attrs: nounwind
116 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #1
118 declare i32 @__gxx_personality_v0(...)
120 declare void @_Z1gRN4llvm11SmallVectorIiLj8EEE(%"class.llvm::SmallVector"*) #2
122 ; Function Attrs: nounwind
123 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture) #1
125 declare void @_ZN4llvm15SmallVectorBase8grow_podEmm(%"class.llvm::SmallVectorBase"*, i64, i64) #2
127 ; Function Attrs: nounwind
128 declare void @free(i8* nocapture) #3
130 attributes #0 = { ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
131 attributes #1 = { nounwind }
132 attributes #2 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
133 attributes #3 = { nounwind "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
135 !0 = !{!"any pointer", !1}
136 !1 = !{!"omnipotent char", !2}
137 !2 = !{!"Simple C/C++ TBAA"}
139 !4 = !{!0, !0, i64 0}
140 !5 = !{!3, !3, i64 0}