2012-07-31 10:44:24 +08:00
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// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -emit-llvm -o - | FileCheck %s
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2012-07-31 09:54:04 +08:00
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struct foo {
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template<typename T>
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__attribute__ ((regparm (3))) foo(T x) {}
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__attribute__ ((regparm (3))) foo();
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__attribute__ ((regparm (3))) ~foo();
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};
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foo::foo() {
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[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition
Summary:
Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults
to -fsemantic-interposition).
Users need to specify -fsemantic-interposition to get semantic
interposition behavior.
Semantic interposition is currently a best-effort feature. There may
still be some cases where it is not handled well.
Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert
Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D73865
2020-02-03 04:23:47 +08:00
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// CHECK-LABEL: define dso_local void @_ZN3fooC2Ev(%struct.foo* inreg %this)
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// CHECK-LABEL: define dso_local void @_ZN3fooC1Ev(%struct.foo* inreg %this)
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2012-07-31 09:54:04 +08:00
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}
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foo::~foo() {
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[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition
Summary:
Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults
to -fsemantic-interposition).
Users need to specify -fsemantic-interposition to get semantic
interposition behavior.
Semantic interposition is currently a best-effort feature. There may
still be some cases where it is not handled well.
Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert
Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D73865
2020-02-03 04:23:47 +08:00
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// CHECK-LABEL: define dso_local void @_ZN3fooD2Ev(%struct.foo* inreg %this)
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// CHECK-LABEL: define dso_local void @_ZN3fooD1Ev(%struct.foo* inreg %this)
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2012-07-31 09:54:04 +08:00
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}
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void dummy() {
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// FIXME: how can we explicitly instantiate a template constructor? Gcc and
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// older clangs accept:
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// template foo::foo(int x);
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foo x(10);
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[CodeGenModule] Assume dso_local for -fpic -fno-semantic-interposition
Summary:
Clang -fpic defaults to -fno-semantic-interposition (GCC -fpic defaults
to -fsemantic-interposition).
Users need to specify -fsemantic-interposition to get semantic
interposition behavior.
Semantic interposition is currently a best-effort feature. There may
still be some cases where it is not handled well.
Reviewers: peter.smith, rnk, serge-sans-paille, sfertile, jfb, jdoerfert
Subscribers: dschuff, jyknight, dylanmckay, nemanjai, jvesely, kbarton, fedor.sergeev, asb, rbar, johnrusso, simoncook, sabuasal, niosHD, jrtc27, zzheng, edward-jones, atanasyan, rogfer01, MartinMosbeck, brucehoult, the_o, arphaman, PkmX, jocewei, jsji, Jim, lenary, s.egerton, pzheng, sameer.abuasal, apazos, luismarques, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D73865
2020-02-03 04:23:47 +08:00
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// CHECK-LABEL: define linkonce_odr dso_local void @_ZN3fooC1IiEET_(%struct.foo* inreg %this, i32 inreg %x)
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// CHECK-LABEL: define linkonce_odr dso_local void @_ZN3fooC2IiEET_(%struct.foo* inreg %this, i32 inreg %x)
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2012-07-31 09:54:04 +08:00
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}
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