70 lines · c
1// RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -o - | FileCheck %s --check-prefix=IFUNC-ELF2// RUN: %clang_cc1 -triple x86_64-pc-freebsd -emit-llvm %s -o - | FileCheck %s --check-prefix=IFUNC-ELF3// RUN: %clang_cc1 -triple x86_64-windows-pc -emit-llvm %s -o - | FileCheck %s --check-prefixes=NO-IFUNC,WINDOWS4// RUN: %clang_cc1 -triple x86_64-linux-musl -emit-llvm %s -o - | FileCheck %s --check-prefixes=NO-IFUNC,NO-IFUNC-ELF5// RUN: %clang_cc1 -triple x86_64-fuchsia -emit-llvm %s -o - | FileCheck %s --check-prefixes=NO-IFUNC,NO-IFUNC-ELF6// RUN: %clang_cc1 -triple x86_64-apple-macho -emit-llvm %s -o - | FileCheck %s --check-prefix=IFUNC-MACHO7int __attribute__((target("sse4.2"))) foo(int i, ...) { return 0; }8int __attribute__((target("arch=sandybridge"))) foo(int i, ...);9int __attribute__((target("arch=ivybridge"))) foo(int i, ...) {return 1;}10int __attribute__((target("default"))) foo(int i, ...) { return 2; }11 12int bar(void) {13 return foo(1, 'a', 1.1) + foo(2, 2.2, "asdf");14}15 16// IFUNC-ELF: @foo.ifunc = weak_odr ifunc i32 (i32, ...), ptr @foo.resolver17// IFUNC-ELF: define{{.*}} i32 @foo.sse4.2(i32 noundef %i, ...)18// IFUNC-ELF: ret i32 019// IFUNC-ELF: define{{.*}} i32 @foo.arch_ivybridge(i32 noundef %i, ...)20// IFUNC-ELF: ret i32 121// IFUNC-ELF: define{{.*}} i32 @foo(i32 noundef %i, ...)22// IFUNC-ELF: ret i32 223// IFUNC-ELF: define{{.*}} i32 @bar()24// IFUNC-ELF: call i32 (i32, ...) @foo.ifunc(i32 noundef 1, i32 noundef 97, double25// IFUNC-ELF: call i32 (i32, ...) @foo.ifunc(i32 noundef 2, double noundef 2.2{{[0-9Ee+]+}}, ptr noundef26 27// IFUNC-ELF: define weak_odr ptr @foo.resolver() #{{[0-9]+}} comdat28// IFUNC-ELF: ret ptr @foo.arch_sandybridge29// IFUNC-ELF: ret ptr @foo.arch_ivybridge30// IFUNC-ELF: ret ptr @foo.sse4.231// IFUNC-ELF: ret ptr @foo32// IFUNC-ELF: declare i32 @foo.arch_sandybridge(i32 noundef, ...)33 34// IFUNC-MACHO: @foo.ifunc = weak_odr ifunc i32 (i32, ...), ptr @foo.resolver35// IFUNC-MACHO: define{{.*}} i32 @foo.sse4.2(i32 noundef %i, ...)36// IFUNC-MACHO: ret i32 037// IFUNC-MACHO: define{{.*}} i32 @foo.arch_ivybridge(i32 noundef %i, ...)38// IFUNC-MACHO: ret i32 139// IFUNC-MACHO: define{{.*}} i32 @foo(i32 noundef %i, ...)40// IFUNC-MACHO: ret i32 241// IFUNC-MACHO: define{{.*}} i32 @bar()42// IFUNC-MACHO: call i32 (i32, ...) @foo.ifunc(i32 noundef 1, i32 noundef 97, double43// IFUNC-MACHO: call i32 (i32, ...) @foo.ifunc(i32 noundef 2, double noundef 2.2{{[0-9Ee+]+}}, ptr noundef44 45// IFUNC-MACHO: define weak_odr ptr @foo.resolver() #{{[0-9]+}} 46// IFUNC-MACHO: ret ptr @foo.arch_sandybridge47// IFUNC-MACHO: ret ptr @foo.arch_ivybridge48// IFUNC-MACHO: ret ptr @foo.sse4.249// IFUNC-MACHO: ret ptr @foo50// IFUNC-MACHO: declare i32 @foo.arch_sandybridge(i32 noundef, ...)51 52// NO-IFUNC: define dso_local i32 @foo.sse4.2(i32 noundef %i, ...)53// NO-IFUNC: ret i32 054// NO-IFUNC: define dso_local i32 @foo.arch_ivybridge(i32 noundef %i, ...)55// NO-IFUNC: ret i32 156// NO-IFUNC: define dso_local i32 @foo(i32 noundef %i, ...)57// NO-IFUNC: ret i32 258// NO-IFUNC: define dso_local i32 @bar() 59// NO-IFUNC: call i32 (i32, ...) @foo.resolver(i32 noundef 1, i32 noundef 97, double60// NO-IFUNC: call i32 (i32, ...) @foo.resolver(i32 noundef 2, double noundef 2.2{{[0-9Ee+]+}}, ptr noundef61 62// WINDOWS: define weak_odr dso_local i32 @foo.resolver(i32 %0, ...) #{{[0-9]+}} comdat63// NO-IFUNC-ELF: define weak_odr i32 @foo.resolver(i32 %0, ...) #{{[0-9]+}} comdat64// NO-IFUNC: musttail call i32 (i32, ...) @foo.arch_sandybridge65// NO-IFUNC: musttail call i32 (i32, ...) @foo.arch_ivybridge66// NO-IFUNC: musttail call i32 (i32, ...) @foo.sse4.267// NO-IFUNC: musttail call i32 (i32, ...) @foo68// WINDOWS: declare dso_local i32 @foo.arch_sandybridge(i32 noundef, ...)69// NO-IFUNC-ELF: declare i32 @foo.arch_sandybridge(i32 noundef, ...)70