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136 lines
5.9 KiB
C++
136 lines
5.9 KiB
C++
// RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,LINUX
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// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macos -emit-llvm %s -o - | FileCheck %s --check-prefixes=ITANIUM,DARWIN
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// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
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// DARWIN-NOT: comdat
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// Aliases for ifuncs
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// ITANIUM: @_Z10overloadedi.ifunc = weak_odr alias i32 (i32), ptr @_Z10overloadedi
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// ITANIUM: @_Z10overloadedPKc.ifunc = weak_odr alias i32 (ptr), ptr @_Z10overloadedPKc
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// ITANIUM: @_ZN1CIssE3fooEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN1CIssE3fooEv
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// ITANIUM: @_ZN1CIisE3fooEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN1CIisE3fooEv
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// ITANIUM: @_ZN1CIdfE3fooEv.ifunc = weak_odr alias i32 (ptr), ptr @_ZN1CIdfE3fooEv
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// Overloaded ifuncs
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// ITANIUM: @_Z10overloadedi = weak_odr ifunc i32 (i32), ptr @_Z10overloadedi.resolver
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// ITANIUM: @_Z10overloadedPKc = weak_odr ifunc i32 (ptr), ptr @_Z10overloadedPKc.resolver
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// struct 'C' ifuncs, note the 'float, U' one doesn't get one.
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// ITANIUM: @_ZN1CIssE3fooEv = weak_odr ifunc i32 (ptr), ptr @_ZN1CIssE3fooEv.resolver
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// ITANIUM: @_ZN1CIisE3fooEv = weak_odr ifunc i32 (ptr), ptr @_ZN1CIisE3fooEv.resolver
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// ITANIUM: @_ZN1CIdfE3fooEv = weak_odr ifunc i32 (ptr), ptr @_ZN1CIdfE3fooEv.resolver
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int __attribute__((target_clones("sse4.2", "default"))) overloaded(int) { return 1; }
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// ITANIUM: define {{.*}}i32 @_Z10overloadedi.sse4.2.0(i32{{.+}})
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// ITANIUM: define {{.*}}i32 @_Z10overloadedi.default.1(i32{{.+}})
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// ITANIUM: define weak_odr ptr @_Z10overloadedi.resolver()
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// LINUX-SAME: comdat
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// ITANIUM: ret ptr @_Z10overloadedi.sse4.2.0
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// ITANIUM: ret ptr @_Z10overloadedi.default.1
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// WINDOWS: define dso_local noundef i32 @"?overloaded@@YAHH@Z.sse4.2.0"(i32{{.+}})
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// WINDOWS: define dso_local noundef i32 @"?overloaded@@YAHH@Z.default.1"(i32{{.+}})
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// WINDOWS: define weak_odr dso_local i32 @"?overloaded@@YAHH@Z"(i32{{.+}}) comdat
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// WINDOWS: call i32 @"?overloaded@@YAHH@Z.sse4.2.0"
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// WINDOWS: call i32 @"?overloaded@@YAHH@Z.default.1"
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int __attribute__((target_clones("arch=ivybridge", "default"))) overloaded(const char *) { return 2; }
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// ITANIUM: define {{.*}}i32 @_Z10overloadedPKc.arch_ivybridge.0(ptr{{.+}})
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// ITANIUM: define {{.*}}i32 @_Z10overloadedPKc.default.1(ptr{{.+}})
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// ITANIUM: define weak_odr ptr @_Z10overloadedPKc.resolver()
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// LINUX-SAME: comdat
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// ITANIUM: ret ptr @_Z10overloadedPKc.arch_ivybridge.0
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// ITANIUM: ret ptr @_Z10overloadedPKc.default.1
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// WINDOWS: define dso_local noundef i32 @"?overloaded@@YAHPEBD@Z.arch_ivybridge.0"(ptr{{.+}})
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// WINDOWS: define dso_local noundef i32 @"?overloaded@@YAHPEBD@Z.default.1"(ptr{{.+}})
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// WINDOWS: define weak_odr dso_local i32 @"?overloaded@@YAHPEBD@Z"(ptr{{.+}}) comdat
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// WINDOWS: call i32 @"?overloaded@@YAHPEBD@Z.arch_ivybridge.0"
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// WINDOWS: call i32 @"?overloaded@@YAHPEBD@Z.default.1"
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void use_overloaded() {
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overloaded(1);
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// ITANIUM: call noundef i32 @_Z10overloadedi
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// WINDOWS: call noundef i32 @"?overloaded@@YAHH@Z"
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overloaded(nullptr);
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// ITANIUM: call noundef i32 @_Z10overloadedPKc
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// WINDOWS: call noundef i32 @"?overloaded@@YAHPEBD@Z"
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}
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template<typename T, typename U>
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struct C {
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int __attribute__((target_clones("sse4.2", "default"))) foo(){ return 1;}
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};
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template<typename U>
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struct C<int, U> {
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int __attribute__((target_clones("sse4.2", "default"))) foo(){ return 2;}
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};
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template<typename U>
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struct C<float, U> {
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int foo(){ return 2;}
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};
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template<>
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struct C<double, float> {
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int __attribute__((target_clones("sse4.2", "default"))) foo(){ return 3;}
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};
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void uses_specialized() {
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C<short, short> c;
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c.foo();
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// ITANIUM: call noundef i32 @_ZN1CIssE3fooEv(ptr
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// WINDOWS: call noundef i32 @"?foo@?$C@FF@@QEAAHXZ"(ptr
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C<int, short> c2;
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c2.foo();
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// ITANIUM: call noundef i32 @_ZN1CIisE3fooEv(ptr
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// WINDOWS: call noundef i32 @"?foo@?$C@HF@@QEAAHXZ"(ptr
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C<float, short> c3;
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c3.foo();
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// Note this is not an ifunc/mv
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// ITANIUM: call noundef i32 @_ZN1CIfsE3fooEv(ptr
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// WINDOWS: call noundef i32 @"?foo@?$C@MF@@QEAAHXZ"(ptr
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C<double, float> c4;
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c4.foo();
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// ITANIUM: call noundef i32 @_ZN1CIdfE3fooEv(ptr
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// WINDOWS: call noundef i32 @"?foo@?$C@NM@@QEAAHXZ"(ptr
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}
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// ITANIUM: define weak_odr ptr @_ZN1CIssE3fooEv.resolver()
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// LINUX-SAME: comdat
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// ITANIUM: ret ptr @_ZN1CIssE3fooEv.sse4.2.0
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// ITANIUM: ret ptr @_ZN1CIssE3fooEv.default.1
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@FF@@QEAAHXZ"(ptr
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// WINDOWS: call i32 @"?foo@?$C@FF@@QEAAHXZ.sse4.2.0"
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// WINDOWS: call i32 @"?foo@?$C@FF@@QEAAHXZ.default.1"
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// ITANIUM: define weak_odr ptr @_ZN1CIisE3fooEv.resolver()
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// LINUX-SAME: comdat
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// ITANIUM: ret ptr @_ZN1CIisE3fooEv.sse4.2.0
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// ITANIUM: ret ptr @_ZN1CIisE3fooEv.default.1
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@HF@@QEAAHXZ"(ptr
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// WINDOWS: call i32 @"?foo@?$C@HF@@QEAAHXZ.sse4.2.0"
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// WINDOWS: call i32 @"?foo@?$C@HF@@QEAAHXZ.default.1"
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// ITANIUM: define weak_odr ptr @_ZN1CIdfE3fooEv.resolver()
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// LINUX-SAME: comdat
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// ITANIUM: ret ptr @_ZN1CIdfE3fooEv.sse4.2.0
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// ITANIUM: ret ptr @_ZN1CIdfE3fooEv.default.1
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@NM@@QEAAHXZ"(ptr
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// WINDOWS: call i32 @"?foo@?$C@NM@@QEAAHXZ.sse4.2.0"
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// WINDOWS: call i32 @"?foo@?$C@NM@@QEAAHXZ.default.1"
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// ITANIUM: define {{.*}}i32 @_ZN1CIssE3fooEv.sse4.2.0(ptr
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// ITANIUM: define {{.*}}i32 @_ZN1CIssE3fooEv.default.1(ptr
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// ITANIUM: define {{.*}}i32 @_ZN1CIisE3fooEv.sse4.2.0(ptr
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// ITANIUM: define {{.*}}i32 @_ZN1CIisE3fooEv.default.1(ptr
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// ITANIUM: define {{.*}}i32 @_ZN1CIdfE3fooEv.sse4.2.0(ptr
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// ITANIUM: define {{.*}}i32 @_ZN1CIdfE3fooEv.default.1(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@FF@@QEAAHXZ.sse4.2.0"(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@FF@@QEAAHXZ.default.1"(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@HF@@QEAAHXZ.sse4.2.0"(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@HF@@QEAAHXZ.default.1"(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@NM@@QEAAHXZ.sse4.2.0"(ptr
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// WINDOWS: define {{.*}}i32 @"?foo@?$C@NM@@QEAAHXZ.default.1"(ptr
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