This adds -no-opaque-pointers to clang tests whose output will change when opaque pointers are enabled by default. This is intended to be part of the migration approach described in https://discourse.llvm.org/t/enabling-opaque-pointers-by-default/61322/9. The patch has been produced by replacing %clang_cc1 with %clang_cc1 -no-opaque-pointers for tests that fail with opaque pointers enabled. Worth noting that this doesn't cover all tests, there's a remaining ~40 tests not using %clang_cc1 that will need a followup change. Differential Revision: https://reviews.llvm.org/D123115
23 lines
777 B
C++
23 lines
777 B
C++
// Check that we call llvm.load.relative() on a vtable function call.
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// RUN: %clang_cc1 -no-opaque-pointers %s -triple=aarch64-unknown-fuchsia -O3 -S -o - -emit-llvm | FileCheck %s
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// CHECK: define{{.*}} void @_Z5A_fooP1A(%class.A* noundef %a) local_unnamed_addr
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// CHECK-NEXT: entry:
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// CHECK-NEXT: [[this:%[0-9]+]] = bitcast %class.A* %a to i8**
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// CHECK-NEXT: %vtable1 = load i8*, i8** [[this]]
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// CHECK-NEXT: [[func_ptr:%[0-9]+]] = tail call i8* @llvm.load.relative.i32(i8* %vtable1, i32 0)
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// CHECK-NEXT: [[func:%[0-9]+]] = bitcast i8* [[func_ptr]] to void (%class.A*)*
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// CHECK-NEXT: tail call void [[func]](%class.A* {{[^,]*}} %a)
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// CHECK-NEXT: ret void
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// CHECK-NEXT: }
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class A {
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public:
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virtual void foo();
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};
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void A_foo(A *a) {
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a->foo();
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}
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