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annotate clang/test/CodeGenCXX/attr-target-mv-func-ptrs.cpp @ 236:c4bab56944e8 llvm-original

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LLVM 16
author kono
date Wed, 09 Nov 2022 17:45:10 +0900
parents 79ff65ed7e25
children
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1 // RUN: %clang_cc1 -std=c++11 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX
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2 // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS
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3 void temp();
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4 void temp(int);
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5 using FP = void(*)(int);
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6 void b() {
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7 FP f = temp;
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8 }
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9
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10 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
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11 int __attribute__((target("arch=sandybridge"))) foo(int);
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12 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
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13 int __attribute__((target("default"))) foo(int) { return 2; }
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14
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15 struct S {
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16 int __attribute__((target("sse4.2"))) foo(int) { return 0; }
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17 int __attribute__((target("arch=sandybridge"))) foo(int);
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18 int __attribute__((target("arch=ivybridge"))) foo(int) {return 1;}
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19 int __attribute__((target("default"))) foo(int) { return 2; }
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20 };
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21
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22 using FuncPtr = int (*)(int);
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23 using MemFuncPtr = int (S::*)(int);
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24
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25 void f(FuncPtr, MemFuncPtr);
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26
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27 int bar() {
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28 FuncPtr Free = &foo;
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29 MemFuncPtr Member = &S::foo;
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30 S s;
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31 f(foo, &S::foo);
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32 return Free(1) + (s.*Member)(2);
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33 }
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34
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35 // LINUX: @_Z3fooi.ifunc
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36 // LINUX: @_ZN1S3fooEi.ifunc
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37
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79ff65ed7e25 LLVM12 Original
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38 // LINUX: define{{.*}} i32 @_Z3barv()
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39 // Store to Free of ifunc
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40 // LINUX: store ptr @_Z3fooi.ifunc
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41 // Store to Member of ifunc
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42 // LINUX: store { i64, i64 } { i64 ptrtoint (ptr @_ZN1S3fooEi.ifunc to i64), i64 0 }, ptr [[MEMBER:%[a-z]+]]
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43
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44 // Call to 'f' with the ifunc
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45 // LINUX: call void @_Z1fPFiiEM1SFiiE(ptr noundef @_Z3fooi.ifunc
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46
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47 // WINDOWS: define dso_local noundef i32 @"?bar@@YAHXZ"()
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48 // Store to Free
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49 // WINDOWS: store ptr @"?foo@@YAHH@Z.resolver", ptr
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50 // Store to Member
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51 // WINDOWS: store ptr @"?foo@S@@QEAAHH@Z.resolver", ptr
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52
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53 // Call to 'f'
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54 // WINDOWS: call void @"?f@@YAXP6AHH@ZP8S@@EAAHH@Z@Z"(ptr noundef @"?foo@@YAHH@Z.resolver", ptr @"?foo@S@@QEAAHH@Z.resolver")