diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2011-02-20 13:06:31 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2011-02-20 13:06:31 +0000 |
| commit | bca07a4524feb4edec581062d631a13116320a24 (patch) | |
| tree | a9243275843fbeaa590afc07ee888e006b8d54ea /test/CodeGenCXX/constructor-init.cpp | |
| parent | 998bc5802ecdd65ce3b270f6c69a8ae8557f0a10 (diff) | |
Notes
Diffstat (limited to 'test/CodeGenCXX/constructor-init.cpp')
| -rw-r--r-- | test/CodeGenCXX/constructor-init.cpp | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/test/CodeGenCXX/constructor-init.cpp b/test/CodeGenCXX/constructor-init.cpp index 284b8b5938f94..47e3b7b0bb908 100644 --- a/test/CodeGenCXX/constructor-init.cpp +++ b/test/CodeGenCXX/constructor-init.cpp @@ -81,6 +81,38 @@ void f() { // CHECK: ret void } +// Make sure we initialize the vtable pointer if it's required by a +// base initializer. +namespace InitVTable { + struct A { A(int); }; + struct B : A { + virtual int foo(); + B(); + B(int); + }; + + // CHECK: define void @_ZN10InitVTable1BC2Ev(%"struct.InitVTable::B"* %this) unnamed_addr + // CHECK: [[T0:%.*]] = bitcast [[B:%.*]]* [[THIS:%.*]] to i8*** + // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK: [[VTBL:%.*]] = load i32 ([[B]]*)*** {{%.*}} + // CHECK-NEXT: [[FNP:%.*]] = getelementptr inbounds i32 ([[B]]*)** [[VTBL]], i64 0 + // CHECK-NEXT: [[FN:%.*]] = load 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 i8*** + // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK-NEXT: ret void + B::B() : A(foo()) {} + + // CHECK: define void @_ZN10InitVTable1BC2Ei(%"struct.InitVTable::B"* %this, i32 %x) unnamed_addr + // CHECK: [[ARG:%.*]] = add nsw i32 {{%.*}}, 5 + // CHECK-NEXT: call void @_ZN10InitVTable1AC2Ei({{.*}}* {{%.*}}, i32 [[ARG]]) + // CHECK-NEXT: [[T0:%.*]] = bitcast [[B]]* {{%.*}} to i8*** + // CHECK-NEXT: store i8** getelementptr inbounds ([3 x i8*]* @_ZTVN10InitVTable1BE, i64 0, i64 2), i8*** [[T0]] + // CHECK-NEXT: ret void + B::B(int x) : A(x + 5) {} +} + template<typename T> struct X { X(const X &); @@ -93,7 +125,7 @@ template<typename T> struct X; // Make sure that the instantiated constructor initializes start and // end properly. -// CHECK: define linkonce_odr void @_ZN1XIiEC2ERKS0_ +// CHECK: define linkonce_odr void @_ZN1XIiEC2ERKS0_(%struct.X* %this, %struct.X* %other) unnamed_addr // CHECK: {{store.*null}} // CHECK: {{store.*null}} // CHECK: ret |