Revert r245257 "Generating assumption loads of vptr after ctor call"

It caused PR24479

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@245260 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 173 deletions

diff --git a/test/CodeGenCXX/vtable-assume-load.cpp b/test/CodeGenCXX/vtable-assume-load.cpp
deleted file mode 100644
index 80789baa30..0000000000
--- a/test/CodeGenCXX/vtable-assume-load.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o %t.ll -O1 -disable-llvm-optzns -fms-extensions
-// RUN: %clang_cc1 %s -triple i686-pc-win32 -emit-llvm -o %t.ms.ll -O1 -disable-llvm-optzns -fms-extensions
-
-// RUN: FileCheck --check-prefix=CHECK1 --input-file=%t.ll %s
-// RUN: FileCheck --check-prefix=CHECK2 --input-file=%t.ll %s
-// RUN: FileCheck --check-prefix=CHECK3 --input-file=%t.ll %s
-// RUN: FileCheck --check-prefix=CHECK4 --input-file=%t.ll %s
-// RUN: FileCheck --check-prefix=CHECK-MS --input-file=%t.ms.ll %s
-
-namespace test1 {
-
-struct A {
-  A();
-  virtual void foo();
-};
-
-struct B : A {
-  virtual void foo();
-};
-
-void g(A *a) { a->foo(); }
-
-// CHECK1-LABEL: define void @_ZN5test14fooAEv()
-// CHECK1: call void @_ZN5test11AC1Ev(%"struct.test1::A"* %a)
-// CHECK1: %vtable = load i8**, i8*** %1
-// CHECK1: %cmp.vtables = icmp eq i8** %vtable, getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTVN5test11AE, i64 0, i64 2)
-// CHECK1: call void @llvm.assume(i1 %cmp.vtables)
-// CHECK1-LABEL: }
-
-void fooA() {
-  A a;
-  g(&a);
-}
-
-// CHECK1-LABEL: define void @_ZN5test14fooBEv()
-// CHECK1: call void @_ZN5test11BC1Ev(%"struct.test1::B"* %b)
-// CHECK1: %vtable = load i8**, i8*** %1
-// CHECK1: %cmp.vtables = icmp eq i8** %vtable, getelementptr inbounds ([3 x i8*], [3 x i8*]* @_ZTVN5test11BE, i64 0, i64 2)
-// CHECK1: call void @llvm.assume(i1 %cmp.vtables)
-// CHECK1-LABEL: }
-
-void fooB() {
-  B b;
-  g(&b);
-}
-// there should not be any assumes in the ctor that calls base ctor
-// CHECK1-LABEL: define linkonce_odr void @_ZN5test11BC2Ev(%"struct.test1::B"* %this)
-// CHECK1-NOT: @llvm.assume(
-// CHECK1-LABEL: }
-}
-namespace test2 {
-struct A {
-  A();
-  virtual void foo();
-};
-
-struct B {
-  B();
-  virtual void bar();
-};
-
-struct C : A, B {
-  C();
-  virtual void foo();
-};
-void g(A *a) { a->foo(); }
-void h(B *b) { b->bar(); }
-
-// CHECK2-LABEL: define void @_ZN5test24testEv()
-// CHECK2: call void @_ZN5test21CC1Ev(%"struct.test2::C"* %c)
-// CHECK2: vtable = load i8**, i8*** %1
-// CHECK2: %cmp.vtables = icmp eq i8** %vtable, getelementptr inbounds ([6 x i8*], [6 x i8*]* @_ZTVN5test21CE, i64 0, i64 2)
-// CHECK2: call void @llvm.assume(i1 %cmp.vtables)
-
-// CHECK2: %2 = bitcast %"struct.test2::C"* %c to i8*
-// CHECK2: %add.ptr = getelementptr inbounds i8, i8* %2, i64 8
-// CHECK2: %3 = bitcast i8* %add.ptr to i8***
-// CHECK2: %vtable1 = load i8**, i8*** %3
-// CHECK2: %cmp.vtables2 = icmp eq i8** %vtable1, getelementptr inbounds ([6 x i8*], [6 x i8*]* @_ZTVN5test21CE, i64 0, i64 5)
-// CHECK2: call void @llvm.assume(i1 %cmp.vtables2)
-
-// CHECK2: call void @_ZN5test21gEPNS_1AE(
-// CHECK2-LABEL: }
-
-void test() {
-  C c;
-  g(&c);
-  h(&c);
-}
-}
-
-namespace test3 {
-struct A {
-  A();
-};
-
-struct B : A {
-  B();
-  virtual void foo();
-};
-
-struct C : virtual A, B {
-  C();
-  virtual void foo();
-};
-void g(B *a) { a->foo(); }
-
-// CHECK3-LABEL: define void @_ZN5test34testEv()
-// CHECK3: call void @_ZN5test31CC1Ev(%"struct.test3::C"* %c)
-// CHECK3: %cmp.vtables = icmp eq i8** %vtable, getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTVN5test31CE, i64 0, i64 3)
-// CHECK3: call void @llvm.assume(i1 %cmp.vtables)
-// CHECK3-LABLEL: }
-void test() {
-  C c;
-  g(&c);
-}
-} // test3
-
-namespace test4 {
-struct A {
-  A();
-  virtual void foo();
-};
-
-struct B : virtual A {
-  B();
-  virtual void foo();
-};
-struct C : B {
-  C();
-  virtual void foo();
-};
-
-void g(C *c) { c->foo(); }
-
-// CHECK4-LABEL: define void @_ZN5test44testEv()
-// CHECK4: call void @_ZN5test41CC1Ev(%"struct.test4::C"* %c)
-// CHECK4: %vtable = load i8**, i8*** %1
-// CHECK4: %cmp.vtables = icmp eq i8** %vtable, getelementptr inbounds ([5 x i8*], [5 x i8*]* @_ZTVN5test41CE, i64 0, i64 4)
-// CHECK4: call void @llvm.assume(i1 %cmp.vtables)
-
-// CHECK4: %2 = bitcast %"struct.test4::C"* %c to i8***
-// CHECK4: %vtable1 = load i8**, i8*** %2
-// CHECK4: %cmp.vtables2 = icmp eq i8** %vtable1, getelementptr inbounds ([5 x i8*], [5 x i8*]* @_ZTVN5test41CE, i64 0, i64 4)
-// CHECK4: call void @llvm.assume(i1 %cmp.vtables2)
-// CHECK4-LABEL: }
-
-void test() {
-  C c;
-  g(&c);
-}
-} // test4
-
-namespace test5 {
-
-struct __declspec(novtable) S {
-  virtual void foo();
-};
-
-void g(S &s) { s.foo(); }
-
-// if struct has novtable specifier, then we can't generate assumes
-// CHECK-MS-LABEL: define void @"\01?test@test5@@YAXXZ"()
-// CHECK-MS: call x86_thiscallcc %"struct.test5::S"* @"\01??0S@test5@@QAE@XZ"(
-// CHECK-MS-NOT: @llvm.assume
-// CHECK-MS-LABEL: }
-
-void test() {
-  S s;
-  g(s);
-}
-
-} // test5