forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			221 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			221 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
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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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| 
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| struct S {
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|   int __attribute__((target("sse4.2"))) foo(int) { return 0; }
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|   int __attribute__((target("arch=sandybridge"))) foo(int);
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|   int __attribute__((target("arch=ivybridge"))) foo(int) { return 1; }
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|   int __attribute__((target("default"))) foo(int) { return 2; }
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| 
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|   S &__attribute__((target("arch=ivybridge"))) operator=(const S &) {
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|     return *this;
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|   }
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|   S &__attribute__((target("default"))) operator=(const S &) {
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|     return *this;
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|   }
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| };
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| 
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| struct ConvertTo {
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|   __attribute__((target("arch=ivybridge"))) operator S() const {
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|     return S{};
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|   }
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|   __attribute__((target("default"))) operator S() const {
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|     return S{};
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|   }
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| };
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| 
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| int bar() {
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|   S s;
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|   S s2;
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|   s2 = s;
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| 
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|   ConvertTo C;
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|   s2 = static_cast<S>(C);
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| 
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|   return s.foo(0);
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| }
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| 
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| struct S2 {
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|   int __attribute__((target("sse4.2"))) foo(int);
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|   int __attribute__((target("arch=sandybridge"))) foo(int);
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|   int __attribute__((target("arch=ivybridge"))) foo(int);
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|   int __attribute__((target("default"))) foo(int);
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| };
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| 
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| int bar2() {
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|   S2 s;
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|   return s.foo(0);
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| }
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| 
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| int __attribute__((target("sse4.2"))) S2::foo(int) { return 0; }
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| int __attribute__((target("arch=ivybridge"))) S2::foo(int) { return 1; }
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| int __attribute__((target("default"))) S2::foo(int) { return 2; }
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| 
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| template<typename T>
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| struct templ {
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|   int __attribute__((target("sse4.2"))) foo(int) { return 0; }
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|   int __attribute__((target("arch=sandybridge"))) foo(int);
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|   int __attribute__((target("arch=ivybridge"))) foo(int) { return 1; }
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|   int __attribute__((target("default"))) foo(int) { return 2; }
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| };
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| 
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| int templ_use() {
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|   templ<int> a;
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|   templ<double> b;
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|   return a.foo(1) + b.foo(2);
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| }
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| 
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| // LINUX: @_ZN1SaSERKS_.ifunc = weak_odr ifunc %struct.S* (%struct.S*, %struct.S*), %struct.S* (%struct.S*, %struct.S*)* ()* @_ZN1SaSERKS_.resolver
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| // LINUX: @_ZNK9ConvertTocv1SEv.ifunc = weak_odr ifunc void (%struct.ConvertTo*), void (%struct.ConvertTo*)* ()* @_ZNK9ConvertTocv1SEv.resolver
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| // LINUX: @_ZN1S3fooEi.ifunc = weak_odr ifunc i32 (%struct.S*, i32), i32 (%struct.S*, i32)* ()* @_ZN1S3fooEi.resolver
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| // LINUX: @_ZN2S23fooEi.ifunc = weak_odr ifunc i32 (%struct.S2*, i32), i32 (%struct.S2*, i32)* ()* @_ZN2S23fooEi.resolver
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| // Templates:
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| // LINUX: @_ZN5templIiE3fooEi.ifunc = weak_odr ifunc i32 (%struct.templ*, i32), i32 (%struct.templ*, i32)* ()* @_ZN5templIiE3fooEi.resolver
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| // LINUX: @_ZN5templIdE3fooEi.ifunc = weak_odr ifunc i32 (%struct.templ.0*, i32), i32 (%struct.templ.0*, i32)* ()* @_ZN5templIdE3fooEi.resolver
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| 
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| // LINUX: define i32 @_Z3barv()
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| // LINUX: %s = alloca %struct.S, align 1
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| // LINUX: %s2 = alloca %struct.S, align 1
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| // LINUX: %C = alloca %struct.ConvertTo, align 1
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| // LINUX: call dereferenceable(1) %struct.S* @_ZN1SaSERKS_.ifunc(%struct.S* %s2
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| // LINUX: call void @_ZNK9ConvertTocv1SEv.ifunc(%struct.ConvertTo* %C)
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| // LINUX: call dereferenceable(1) %struct.S* @_ZN1SaSERKS_.ifunc(%struct.S* %s2
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| // LINUX: call i32 @_ZN1S3fooEi.ifunc(%struct.S* %s, i32 0)
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| 
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| // WINDOWS: define dso_local i32 @"?bar@@YAHXZ"()
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| // WINDOWS: %s = alloca %struct.S, align 1
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| // WINDOWS: %s2 = alloca %struct.S, align 1
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| // WINDOWS: %C = alloca %struct.ConvertTo, align 1
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| // WINDOWS: call dereferenceable(1) %struct.S* @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(%struct.S* %s2
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| // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ.resolver"(%struct.ConvertTo* %C
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| // WINDOWS: call dereferenceable(1) %struct.S* @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(%struct.S* %s2
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| // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.resolver"(%struct.S* %s, i32 0)
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| 
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| // LINUX: define weak_odr %struct.S* (%struct.S*, %struct.S*)* @_ZN1SaSERKS_.resolver() comdat
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| // LINUX: ret %struct.S* (%struct.S*, %struct.S*)* @_ZN1SaSERKS_.arch_ivybridge
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| // LINUX: ret %struct.S* (%struct.S*, %struct.S*)* @_ZN1SaSERKS_
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| 
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| // WINDOWS: define weak_odr dso_local %struct.S* @"??4S@@QEAAAEAU0@AEBU0@@Z.resolver"(%struct.S* %0, %struct.S* %1)
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| // WINDOWS: call %struct.S* @"??4S@@QEAAAEAU0@AEBU0@@Z.arch_ivybridge"
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| // WINDOWS: call %struct.S* @"??4S@@QEAAAEAU0@AEBU0@@Z"
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| 
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| // LINUX: define weak_odr void (%struct.ConvertTo*)* @_ZNK9ConvertTocv1SEv.resolver() comdat
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| // LINUX: ret void (%struct.ConvertTo*)* @_ZNK9ConvertTocv1SEv.arch_ivybridge
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| // LINUX: ret void (%struct.ConvertTo*)* @_ZNK9ConvertTocv1SEv
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| 
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| // WINDOWS: define weak_odr dso_local void @"??BConvertTo@@QEBA?AUS@@XZ.resolver"(%struct.ConvertTo* %0, %struct.S* %1)
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| // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ.arch_ivybridge"
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| // WINDOWS: call void @"??BConvertTo@@QEBA?AUS@@XZ"
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| 
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| // LINUX: define weak_odr i32 (%struct.S*, i32)* @_ZN1S3fooEi.resolver() comdat
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| // LINUX: ret i32 (%struct.S*, i32)* @_ZN1S3fooEi.arch_sandybridge
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| // LINUX: ret i32 (%struct.S*, i32)* @_ZN1S3fooEi.arch_ivybridge
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| // LINUX: ret i32 (%struct.S*, i32)* @_ZN1S3fooEi.sse4.2
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| // LINUX: ret i32 (%struct.S*, i32)* @_ZN1S3fooEi
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| 
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| // WINDOWS: define weak_odr dso_local i32 @"?foo@S@@QEAAHH@Z.resolver"(%struct.S* %0, i32 %1)
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| // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z.sse4.2"
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| // WINDOWS: call i32 @"?foo@S@@QEAAHH@Z"
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| 
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| // LINUX: define i32 @_Z4bar2v()
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| // LINUX: call i32 @_ZN2S23fooEi.ifunc
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| 
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| // WINDOWS: define dso_local i32 @"?bar2@@YAHXZ"()
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| // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.resolver"
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| 
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| // LINUX: define weak_odr i32 (%struct.S2*, i32)* @_ZN2S23fooEi.resolver() comdat
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| // LINUX: ret i32 (%struct.S2*, i32)* @_ZN2S23fooEi.arch_sandybridge
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| // LINUX: ret i32 (%struct.S2*, i32)* @_ZN2S23fooEi.arch_ivybridge
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| // LINUX: ret i32 (%struct.S2*, i32)* @_ZN2S23fooEi.sse4.2
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| // LINUX: ret i32 (%struct.S2*, i32)* @_ZN2S23fooEi
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| 
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| // WINDOWS: define weak_odr dso_local i32 @"?foo@S2@@QEAAHH@Z.resolver"(%struct.S2* %0, i32 %1)
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| // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z.sse4.2"
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| // WINDOWS: call i32 @"?foo@S2@@QEAAHH@Z"
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| 
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| // LINUX: define i32 @_ZN2S23fooEi.sse4.2(%struct.S2* %this, i32 %0)
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| // LINUX: define i32 @_ZN2S23fooEi.arch_ivybridge(%struct.S2* %this, i32 %0)
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| // LINUX: define i32 @_ZN2S23fooEi(%struct.S2* %this, i32 %0)
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| 
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| // WINDOWS: define dso_local i32 @"?foo@S2@@QEAAHH@Z.sse4.2"(%struct.S2* %this, i32 %0)
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| // WINDOWS: define dso_local i32 @"?foo@S2@@QEAAHH@Z.arch_ivybridge"(%struct.S2* %this, i32 %0)
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| // WINDOWS: define dso_local i32 @"?foo@S2@@QEAAHH@Z"(%struct.S2* %this, i32 %0)
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| 
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| // LINUX: define i32 @_Z9templ_usev()
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| // LINUX: call i32 @_ZN5templIiE3fooEi.ifunc
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| // LINUX: call i32 @_ZN5templIdE3fooEi.ifunc
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| 
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| // WINDOWS: define dso_local i32 @"?templ_use@@YAHXZ"()
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| // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.resolver"
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| // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.resolver"
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| 
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| // LINUX: define weak_odr i32 (%struct.templ*, i32)* @_ZN5templIiE3fooEi.resolver() comdat
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| // LINUX: ret i32 (%struct.templ*, i32)* @_ZN5templIiE3fooEi.arch_sandybridge
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| // LINUX: ret i32 (%struct.templ*, i32)* @_ZN5templIiE3fooEi.arch_ivybridge
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| // LINUX: ret i32 (%struct.templ*, i32)* @_ZN5templIiE3fooEi.sse4.2
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| // LINUX: ret i32 (%struct.templ*, i32)* @_ZN5templIiE3fooEi
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| 
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| // WINDOWS: define weak_odr dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z.resolver"(%struct.templ* %0, i32 %1)
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| // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z.sse4.2"
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| // WINDOWS: call i32 @"?foo@?$templ@H@@QEAAHH@Z"
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| 
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| // LINUX: define weak_odr i32 (%struct.templ.0*, i32)* @_ZN5templIdE3fooEi.resolver() comdat
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| // LINUX: ret i32 (%struct.templ.0*, i32)* @_ZN5templIdE3fooEi.arch_sandybridge
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| // LINUX: ret i32 (%struct.templ.0*, i32)* @_ZN5templIdE3fooEi.arch_ivybridge
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| // LINUX: ret i32 (%struct.templ.0*, i32)* @_ZN5templIdE3fooEi.sse4.2
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| // LINUX: ret i32 (%struct.templ.0*, i32)* @_ZN5templIdE3fooEi
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| 
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| // WINDOWS: define weak_odr dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z.resolver"(%struct.templ.0* %0, i32 %1) comdat
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| // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z.sse4.2"
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| // WINDOWS: call i32 @"?foo@?$templ@N@@QEAAHH@Z"
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| 
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| // LINUX: define linkonce_odr i32 @_ZN1S3fooEi.sse4.2(%struct.S* %this, i32 %0)
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| // LINUX: ret i32 0
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| 
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@S@@QEAAHH@Z.sse4.2"(%struct.S* %this, i32 %0)
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| // WINDOWS: ret i32 0
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| 
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| // LINUX: declare i32 @_ZN1S3fooEi.arch_sandybridge(%struct.S*, i32)
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| 
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| // WINDOWS: declare dso_local i32 @"?foo@S@@QEAAHH@Z.arch_sandybridge"(%struct.S*, i32)
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| 
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| // LINUX: define linkonce_odr i32 @_ZN1S3fooEi.arch_ivybridge(%struct.S* %this, i32 %0)
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| // LINUX: ret i32 1
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| 
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@S@@QEAAHH@Z.arch_ivybridge"(%struct.S* %this, i32 %0)
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| // WINDOWS: ret i32 1
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| 
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| // LINUX: define linkonce_odr i32 @_ZN1S3fooEi(%struct.S* %this, i32 %0)
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| // LINUX: ret i32 2
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| 
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@S@@QEAAHH@Z"(%struct.S* %this, i32 %0)
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| // WINDOWS: ret i32 2
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| 
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| // LINUX: define linkonce_odr i32 @_ZN5templIiE3fooEi.sse4.2
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| // LINUX: declare i32 @_ZN5templIiE3fooEi.arch_sandybridge
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| // LINUX: define linkonce_odr i32 @_ZN5templIiE3fooEi.arch_ivybridge
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| // LINUX: define linkonce_odr i32 @_ZN5templIiE3fooEi
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| 
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z.sse4.2"
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| // WINDOWS: declare dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@H@@QEAAHH@Z"
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| 
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| // LINUX: define linkonce_odr i32 @_ZN5templIdE3fooEi.sse4.2
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| // LINUX: declare i32 @_ZN5templIdE3fooEi.arch_sandybridge
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| // LINUX: define linkonce_odr i32 @_ZN5templIdE3fooEi.arch_ivybridge
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| // LINUX: define linkonce_odr i32 @_ZN5templIdE3fooEi
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| 
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z.sse4.2"
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| // WINDOWS: declare dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_sandybridge"
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z.arch_ivybridge"
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| // WINDOWS: define linkonce_odr dso_local i32 @"?foo@?$templ@N@@QEAAHH@Z"
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