cf8ff75bad
Thanks to D77248, we can bypass the use of stubs altogether and use PLT relocations if they are available for the target. LLVM and LLD support the R_AARCH64_PLT32 relocation, so we can also guarantee a static PLT relocation on AArch64. Not emitting these stubs saves a lot of extra binary size. Differential Revision: https://reviews.llvm.org/D83812
27 lines
1.2 KiB
C++
27 lines
1.2 KiB
C++
// Inline comdat method definition example.
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// The VTable is in a comdat and defined anywhere the inline definition is.
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// RUN: %clang_cc1 %s -triple=aarch64-unknown-fuchsia -O1 -S -o - -emit-llvm -fexperimental-relative-c++-abi-vtables | FileCheck %s
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// CHECK: $_ZTV1A = comdat any
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// CHECK: $_ZTS1A = comdat any
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// CHECK: $_ZTI1A = comdat any
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// CHECK: $_ZTI1A.rtti_proxy = comdat any
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// The VTable is linkonce_odr and in a comdat here bc it’s key function is inline defined.
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// CHECK: @_ZTV1A.local = linkonce_odr hidden unnamed_addr constant { [3 x i32] } { [3 x i32] [i32 0, i32 trunc (i64 sub (i64 ptrtoint ({ i8*, i8* }** @_ZTI1A.rtti_proxy to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [3 x i32] }, { [3 x i32] }* @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32), i32 trunc (i64 sub (i64 ptrtoint (void (%class.A*)* dso_local_equivalent @_ZN1A3fooEv to i64), i64 ptrtoint (i32* getelementptr inbounds ({ [3 x i32] }, { [3 x i32] }* @_ZTV1A.local, i32 0, i32 0, i32 2) to i64)) to i32)] }, comdat($_ZTV1A), align 4
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// CHECK: @_ZTV1A = linkonce_odr unnamed_addr alias { [3 x i32] }, { [3 x i32] }* @_ZTV1A.local
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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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inline void A::foo() {}
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void func() {
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A a;
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A_foo(&a);
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}
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