CodeGen: Start using inrange annotations on vtable getelementptr.
This annotation allows the optimizer to split vtable groups, as permitted by
a change to the Itanium ABI [1] that prevents compilers from adjusting virtual
table pointers between virtual tables.
[1] https://github.com/MentorEmbedded/cxx-abi/pull/7
Differential Revision: https://reviews.llvm.org/D24431
llvm-svn: 289585
diff --git a/clang/test/CodeGenCXX/constructor-init.cpp b/clang/test/CodeGenCXX/constructor-init.cpp
index 507ad43..c121755 100644
--- a/clang/test/CodeGenCXX/constructor-init.cpp
+++ b/clang/test/CodeGenCXX/constructor-init.cpp
@@ -95,14 +95,14 @@
// CHECK-LABEL: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* %this) unnamed_addr
// CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i32 (...)***
- // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
+ // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
// CHECK: [[VTBL:%.*]] = load i32 ([[B]]*)**, i32 ([[B]]*)*** {{%.*}}
// CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)*, i32 ([[B]]*)** [[VTBL]], i64 0
// CHECK-NEXT: [[FN:%.*]] = load i32 ([[B]]*)*, i32 ([[B]]*)** [[FNP]]
// CHECK-NEXT: [[ARG:%.*]] = call i32 [[FN]]([[B]]* [[THIS]])
// CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]])
// CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* [[THIS]] to i32 (...)***
- // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
+ // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
// CHECK-NEXT: ret void
B::B() : A(foo()) {}
@@ -110,7 +110,7 @@
// CHECK: [[ARG:%.*]] = add nsw i32 {{%.*}}, 5
// CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]])
// CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i32 (...)***
- // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
+ // CHECK-NEXT: store i32 (...)** bitcast (i8** getelementptr inbounds ({ [3 x i8*] }, { [3 x i8*] }* @_ZTVN10InitVTable1BE, i32 0, inrange i32 0, i32 2) to i32 (...)**), i32 (...)*** [[T0]]
// CHECK-NEXT: ret void
B::B(int x) : A(x + 5) {}
}