derek.holloway
7502bf64a4
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183 lines
7.3 KiB
LLVM
183 lines
7.3 KiB
LLVM
; RUN: opt -S -passes=wholeprogramdevirt -whole-program-visibility %s | FileCheck %s
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target datalayout = "e-p:64:64"
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; CHECK: [[VT1DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [8 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf1i32], [8 x i8] c"\02\00\00\00\03\00\00\00" }, !type [[T8:![0-9]+]]
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@vt1 = constant [4 x ptr] [
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ptr null,
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ptr @vf0i1,
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ptr @vf1i1,
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ptr @vf1i32
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], !type !1
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; CHECK: [[VT2DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [8 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf2i32], [8 x i8] c"\01\00\00\00\04\00\00\00" }, !type [[T0:![0-9]+]]
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@vt2 = constant [3 x ptr] [
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ptr @vf1i1,
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ptr @vf0i1,
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ptr @vf2i32
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], !type !0
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; CHECK: [[VT3DATA:@[^ ]*]] = private constant { [0 x i8], [4 x ptr], [8 x i8] } { [0 x i8] zeroinitializer, [4 x ptr] [ptr null, ptr @vf0i1, ptr @vf1i1, ptr @vf3i32], [8 x i8] c"\02\00\00\00\05\00\00\00" }, !type [[T8]]
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@vt3 = constant [4 x ptr] [
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ptr null,
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ptr @vf0i1,
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ptr @vf1i1,
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ptr @vf3i32
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], !type !1
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; CHECK: [[VT4DATA:@[^ ]*]] = private constant { [0 x i8], [3 x ptr], [8 x i8] } { [0 x i8] zeroinitializer, [3 x ptr] [ptr @vf1i1, ptr @vf0i1, ptr @vf4i32], [8 x i8] c"\01\00\00\00\06\00\00\00" }, !type [[T0]]
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@vt4 = constant [3 x ptr] [
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ptr @vf1i1,
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ptr @vf0i1,
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ptr @vf4i32
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], !type !0
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;; Test relative vtables
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; CHECK: [[VT6RELDATA:@[^ ]*]] = private constant { [0 x i8], [4 x i32], [4 x i8] } { [0 x i8] zeroinitializer, [4 x i32] [
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; CHECK-SAME: i32 0,
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf1i1 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32),
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf0i1 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32),
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf2i32 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32)
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; CHECK-SAME: ], [4 x i8] c"\04\00\00\00" }, !type [[TREL:![0-9]+]]
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@vt5_rel = constant [4 x i32] [
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i32 zeroinitializer,
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf1i1 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32),
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf0i1 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32),
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf2i32 to i64), i64 ptrtoint (ptr @vt5_rel to i64)) to i32)
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], !type !3
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; CHECK: [[VT7RELDATA:@[^ ]*]] = private constant { [0 x i8], [3 x i32], [4 x i8] } { [0 x i8] zeroinitializer, [3 x i32] [
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf0i1 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32),
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf1i1 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32),
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; CHECK-SAME: i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf4i32 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32)
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; CHECK-SAME: ], [4 x i8] c"\06\00\00\00" }, !type [[TREL2:![0-9]+]]
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@vt6_rel = constant [3 x i32] [
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf0i1 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32),
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf1i1 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32),
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i32 trunc (i64 sub (i64 ptrtoint (ptr dso_local_equivalent @vf4i32 to i64), i64 ptrtoint (ptr @vt6_rel to i64)) to i32)
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], !type !2
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; CHECK: @vt1 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [8 x i8] }, ptr [[VT1DATA]], i32 0, i32 1)
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; CHECK: @vt2 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [8 x i8] }, ptr [[VT2DATA]], i32 0, i32 1)
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; CHECK: @vt3 = alias [4 x ptr], getelementptr inbounds ({ [0 x i8], [4 x ptr], [8 x i8] }, ptr [[VT3DATA]], i32 0, i32 1)
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; CHECK: @vt4 = alias [3 x ptr], getelementptr inbounds ({ [0 x i8], [3 x ptr], [8 x i8] }, ptr [[VT4DATA]], i32 0, i32 1)
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define i1 @vf0i1(ptr %this) readnone {
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ret i1 0
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}
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define i1 @vf1i1(ptr %this) readnone {
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ret i1 1
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}
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define i32 @vf1i32(ptr %this) readnone {
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ret i32 3
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}
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define i32 @vf2i32(ptr %this) readnone {
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ret i32 4
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}
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define i32 @vf3i32(ptr %this) readnone {
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ret i32 5
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}
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define i32 @vf4i32(ptr %this) readnone {
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ret i32 6
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}
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; CHECK: define i1 @call1(
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define i1 @call1(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
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call void @llvm.assume(i1 %p)
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%fptr = load ptr, ptr %vtable
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; CHECK: [[VTGEP1:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24
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; CHECK: [[VTLOAD1:%[^ ]*]] = load i8, ptr [[VTGEP1]]
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; CHECK: [[VTAND1:%[^ ]*]] = and i8 [[VTLOAD1]], 1
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; CHECK: [[VTCMP1:%[^ ]*]] = icmp ne i8 [[VTAND1]], 0
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%result = call i1 %fptr(ptr %obj)
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; CHECK: ret i1 [[VTCMP1]]
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ret i1 %result
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}
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; CHECK: define i1 @call2(
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define i1 @call2(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
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call void @llvm.assume(i1 %p)
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%fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 1
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%fptr = load ptr, ptr %fptrptr
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; CHECK: [[VTGEP2:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 24
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; CHECK: [[VTLOAD2:%[^ ]*]] = load i8, ptr [[VTGEP2]]
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; CHECK: [[VTAND2:%[^ ]*]] = and i8 [[VTLOAD2]], 2
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; CHECK: [[VTCMP2:%[^ ]*]] = icmp ne i8 [[VTAND2]], 0
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%result = call i1 %fptr(ptr %obj)
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; CHECK: ret i1 [[VTCMP2]]
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ret i1 %result
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}
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; CHECK: define i32 @call3(
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define i32 @call3(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid")
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call void @llvm.assume(i1 %p)
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%fptrptr = getelementptr [3 x ptr], ptr %vtable, i32 0, i32 2
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%fptr = load ptr, ptr %fptrptr
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; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 28
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; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, ptr [[VTGEP3]]
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%result = call i32 %fptr(ptr %obj)
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; CHECK: ret i32 [[VTLOAD3]]
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ret i32 %result
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}
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; CHECK: define i1 @call1_rel(
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define i1 @call1_rel(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2")
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call void @llvm.assume(i1 %p)
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%fptr = call ptr @llvm.load.relative.i32(ptr %vtable, i32 0)
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%result = call i1 %fptr(ptr %obj)
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ret i1 %result
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; CHECK: [[RES:%.*]] = icmp eq ptr %vtable, getelementptr (i8, ptr @vt5_rel, i64 4)
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; CHECK: ret i1 [[RES]]
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}
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; CHECK: define i1 @call2_rel(
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define i1 @call2_rel(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2")
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call void @llvm.assume(i1 %p)
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%fptr = call ptr @llvm.load.relative.i32(ptr %vtable, i32 4)
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%result = call i1 %fptr(ptr %obj)
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ret i1 %result
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; CHECK: [[RES:%[^ ]*]] = icmp eq ptr %vtable, @vt6_rel
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; CHECK: ret i1 [[RES]]
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}
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; CHECK: define i32 @call3_rel(
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define i32 @call3_rel(ptr %obj) {
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%vtable = load ptr, ptr %obj
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%p = call i1 @llvm.type.test(ptr %vtable, metadata !"typeid2")
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call void @llvm.assume(i1 %p)
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%fptr = call ptr @llvm.load.relative.i32(ptr %vtable, i32 8)
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; CHECK: [[VTGEP3:%[^ ]*]] = getelementptr i8, ptr %vtable, i32 12
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; CHECK: [[VTLOAD3:%[^ ]*]] = load i32, ptr [[VTGEP3]]
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%result = call i32 %fptr(ptr %obj)
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; CHECK: ret i32 [[VTLOAD3]]
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ret i32 %result
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}
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declare i1 @llvm.type.test(ptr, metadata)
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declare void @llvm.assume(i1)
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; CHECK: [[T8]] = !{i32 8, !"typeid"}
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; CHECK: [[T0]] = !{i32 0, !"typeid"}
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; CHECK: [[TREL]] = !{i32 4, !"typeid2"}
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; CHECK: [[TREL2]] = !{i32 0, !"typeid2"}
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!0 = !{i32 0, !"typeid"}
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!1 = !{i32 8, !"typeid"}
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!2 = !{i32 0, !"typeid2"}
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!3 = !{i32 4, !"typeid2"}
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