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llvm-project/clang/test/utils/update_cc_test_checks/Inputs/explicit-template-instantiation.cpp.expected
Florian Hahn 67aa314bce
[IRGen] Do not overwrite existing attributes in CGCall. 
When adding new attributes, existing attributes are dropped. While
this appears to be a longstanding issue, this was highlighted by D105169
which dropped a lot of attributes due to adding the new noundef
attribute.

Ahmed Bougacha (@ab) tracked down the issue and provided the fix in
CGCall.cpp. I bundled it up and updated the tests.
2022-01-20 13:45:19 +00:00

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
// RUN: %clang_cc1 -triple=x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
template <typename T>
struct Foo {
private:
T x;
public:
Foo(T x) : x(x) {}
~Foo() {}
T get() { return x; }
void set(T _x) { x = _x; }
};
template <typename T>
struct Bar {
private:
struct Foo<T> foo;
public:
Bar(T x) : foo(x) {}
~Bar() {}
T get() { return foo.get(); }
void set(T _x) { foo.set(_x); }
};
template <typename T>
struct Baz : Foo<T> {
public:
Baz(T x) : Foo<T>(x) {}
~Baz() {}
};
// These two specializations should generate lines for all of Foo's methods.
// CHECK-LABEL: @_ZN3FooIcEC1Ec(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo*, align 8
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i8, align 1
// CHECK-NEXT: store %struct.Foo* [[THIS:%.*]], %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i8 [[X:%.*]], i8* [[X_ADDR]], align 1
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo*, %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i8, i8* [[X_ADDR]], align 1
// CHECK-NEXT: call void @_ZN3FooIcEC2Ec(%struct.Foo* noundef nonnull align 1 dereferenceable(1) [[THIS1]], i8 noundef signext [[TMP0]])
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3FooIcED1Ev(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo*, align 8
// CHECK-NEXT: store %struct.Foo* [[THIS:%.*]], %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo*, %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3FooIcED2Ev(%struct.Foo* noundef nonnull align 1 dereferenceable(1) [[THIS1]]) #[[ATTR2:[0-9]+]]
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3FooIcE3getEv(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo*, align 8
// CHECK-NEXT: store %struct.Foo* [[THIS:%.*]], %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo*, %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[STRUCT_FOO:%.*]], %struct.Foo* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[TMP0:%.*]] = load i8, i8* [[X]], align 1
// CHECK-NEXT: ret i8 [[TMP0]]
//
// CHECK-LABEL: @_ZN3FooIcE3setEc(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo*, align 8
// CHECK-NEXT: [[_X_ADDR:%.*]] = alloca i8, align 1
// CHECK-NEXT: store %struct.Foo* [[THIS:%.*]], %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i8 [[_X:%.*]], i8* [[_X_ADDR]], align 1
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo*, %struct.Foo** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i8, i8* [[_X_ADDR]], align 1
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[STRUCT_FOO:%.*]], %struct.Foo* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: store i8 [[TMP0]], i8* [[X]], align 1
// CHECK-NEXT: ret void
//
template struct Foo<char>;
// CHECK-LABEL: @_ZN3FooIsEC1Es(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo.0*, align 8
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i16, align 2
// CHECK-NEXT: store %struct.Foo.0* [[THIS:%.*]], %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i16 [[X:%.*]], i16* [[X_ADDR]], align 2
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo.0*, %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[X_ADDR]], align 2
// CHECK-NEXT: call void @_ZN3FooIsEC2Es(%struct.Foo.0* noundef nonnull align 2 dereferenceable(2) [[THIS1]], i16 noundef signext [[TMP0]])
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3FooIsED1Ev(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo.0*, align 8
// CHECK-NEXT: store %struct.Foo.0* [[THIS:%.*]], %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo.0*, %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3FooIsED2Ev(%struct.Foo.0* noundef nonnull align 2 dereferenceable(2) [[THIS1]]) #[[ATTR2]]
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3FooIsE3getEv(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo.0*, align 8
// CHECK-NEXT: store %struct.Foo.0* [[THIS:%.*]], %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo.0*, %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[STRUCT_FOO_0:%.*]], %struct.Foo.0* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[X]], align 2
// CHECK-NEXT: ret i16 [[TMP0]]
//
// CHECK-LABEL: @_ZN3FooIsE3setEs(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Foo.0*, align 8
// CHECK-NEXT: [[_X_ADDR:%.*]] = alloca i16, align 2
// CHECK-NEXT: store %struct.Foo.0* [[THIS:%.*]], %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i16 [[_X:%.*]], i16* [[_X_ADDR]], align 2
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Foo.0*, %struct.Foo.0** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[_X_ADDR]], align 2
// CHECK-NEXT: [[X:%.*]] = getelementptr inbounds [[STRUCT_FOO_0:%.*]], %struct.Foo.0* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: store i16 [[TMP0]], i16* [[X]], align 2
// CHECK-NEXT: ret void
//
template struct Foo<short>;
// This should not generate lines for the implicit specialization of Foo, but
// should generate lines for the explicit specialization of Bar.
// CHECK-LABEL: @_ZN3BarIiEC1Ei(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Bar*, align 8
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store %struct.Bar* [[THIS:%.*]], %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[X:%.*]], i32* [[X_ADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Bar*, %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[X_ADDR]], align 4
// CHECK-NEXT: call void @_ZN3BarIiEC2Ei(%struct.Bar* noundef nonnull align 4 dereferenceable(4) [[THIS1]], i32 noundef [[TMP0]])
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3BarIiED1Ev(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Bar*, align 8
// CHECK-NEXT: store %struct.Bar* [[THIS:%.*]], %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Bar*, %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3BarIiED2Ev(%struct.Bar* noundef nonnull align 4 dereferenceable(4) [[THIS1]]) #[[ATTR2]]
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3BarIiE3getEv(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Bar*, align 8
// CHECK-NEXT: store %struct.Bar* [[THIS:%.*]], %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Bar*, %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[FOO:%.*]] = getelementptr inbounds [[STRUCT_BAR:%.*]], %struct.Bar* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[CALL:%.*]] = call noundef i32 @_ZN3FooIiE3getEv(%struct.Foo.1* noundef nonnull align 4 dereferenceable(4) [[FOO]])
// CHECK-NEXT: ret i32 [[CALL]]
//
// CHECK-LABEL: @_ZN3BarIiE3setEi(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Bar*, align 8
// CHECK-NEXT: [[_X_ADDR:%.*]] = alloca i32, align 4
// CHECK-NEXT: store %struct.Bar* [[THIS:%.*]], %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i32 [[_X:%.*]], i32* [[_X_ADDR]], align 4
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Bar*, %struct.Bar** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[FOO:%.*]] = getelementptr inbounds [[STRUCT_BAR:%.*]], %struct.Bar* [[THIS1]], i32 0, i32 0
// CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[_X_ADDR]], align 4
// CHECK-NEXT: call void @_ZN3FooIiE3setEi(%struct.Foo.1* noundef nonnull align 4 dereferenceable(4) [[FOO]], i32 noundef [[TMP0]])
// CHECK-NEXT: ret void
//
template struct Bar<int>;
// This should not generate lines for the implicit specialization of Foo, but
// should generate lines for the explicit specialization of Baz.
// CHECK-LABEL: @_ZN3BazIlEC1El(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Baz*, align 8
// CHECK-NEXT: [[X_ADDR:%.*]] = alloca i64, align 8
// CHECK-NEXT: store %struct.Baz* [[THIS:%.*]], %struct.Baz** [[THIS_ADDR]], align 8
// CHECK-NEXT: store i64 [[X:%.*]], i64* [[X_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Baz*, %struct.Baz** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[TMP0:%.*]] = load i64, i64* [[X_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3BazIlEC2El(%struct.Baz* noundef nonnull align 8 dereferenceable(8) [[THIS1]], i64 noundef [[TMP0]])
// CHECK-NEXT: ret void
//
// CHECK-LABEL: @_ZN3BazIlED1Ev(
// CHECK-NEXT: entry:
// CHECK-NEXT: [[THIS_ADDR:%.*]] = alloca %struct.Baz*, align 8
// CHECK-NEXT: store %struct.Baz* [[THIS:%.*]], %struct.Baz** [[THIS_ADDR]], align 8
// CHECK-NEXT: [[THIS1:%.*]] = load %struct.Baz*, %struct.Baz** [[THIS_ADDR]], align 8
// CHECK-NEXT: call void @_ZN3BazIlED2Ev(%struct.Baz* noundef nonnull align 8 dereferenceable(8) [[THIS1]]) #[[ATTR2]]
// CHECK-NEXT: ret void
//
template struct Baz<long>;
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