117b724b59
caused us to skip layout out a function accurately. If so, flush the type cache for both the function and struct case to ensure that any pointers to the functions get recomputed. This is overconservative, but with this patch clang can build itself again. llvm-svn: 134863
117 lines
2.1 KiB
C++
117 lines
2.1 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
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// rdar://8818236
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namespace rdar8818236 {
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struct S {
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char c2;
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union {
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char c;
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int i;
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};
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};
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// CHECK: @_ZN11rdar88182363fooE = global i64 4
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char S::*foo = &S::c;
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}
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struct A {
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union {
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int a;
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void* b;
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};
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A() : a(0) { }
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};
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A a;
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namespace PR7021 {
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struct X
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{
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union { long l; };
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};
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// CHECK: define void @_ZN6PR70211fENS_1XES0_
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void f(X x, X z) {
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X x1;
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// CHECK: store i64 1, i64
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x1.l = 1;
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
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X x2(x1);
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X x3;
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// CHECK: call void @llvm.memcpy.p0i8.p0i8.i64
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x3 = x1;
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// CHECK: ret void
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}
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}
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namespace test2 {
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struct A {
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struct {
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union {
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int b;
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};
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};
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A();
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};
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A::A() : b(10) { }
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// CHECK: define void @_ZN5test21AC2Ev(
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// CHECK-NOT: }
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// CHECK: store i32 10
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// CHECK: }
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}
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namespace test3 {
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struct A {
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union {
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mutable char fibers[100];
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struct {
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void (*callback)(void*);
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void *callback_value;
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};
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};
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A();
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};
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A::A() : callback(0), callback_value(0) {}
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// CHECK: define void @_ZN5test31AC2Ev(
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// CHECK: [[THIS:%.*]] = load
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// CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[STRUCT:%.*]] = bitcast {{.*}}* [[UNION]] to
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// CHECK-NEXT: [[CALLBACK:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 0
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// CHECK: store {{.*}}* null, {{.*}}** [[CALLBACK]]
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// CHECK-NEXT: [[UNION:%.*]] = getelementptr inbounds {{.*}} [[THIS]], i32 0, i32 0
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// CHECK-NEXT: [[STRUCT:%.*]] = bitcast {{.*}}* [[UNION]] to
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// CHECK-NEXT: [[CVALUE:%.*]] = getelementptr inbounds {{.*}} [[STRUCT]], i32 0, i32 1
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// CHECK-NEXT: store i8* null, i8** [[CVALUE]]
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}
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struct S {
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// CHECK: store i32 42
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// CHECK: store i32 55
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S() : x(42), y(55) {}
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union {
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struct {
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int x;
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union { int y; };
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};
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};
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} s;
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//PR8760
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template <typename T> struct Foo {
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Foo() : ptr(__nullptr) {}
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union {
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T *ptr;
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};
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};
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Foo<int> f;
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