87 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -triple i686-windows-msvc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS2// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows-msvc -emit-llvm %s -o - | FileCheck %s --check-prefix=WINDOWS643// RUN: %clang_cc1 -std=c++11 -triple x86_64-pc-linux -emit-llvm %s -o - | FileCheck %s --check-prefix=LINUX4// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-macos -emit-llvm %s -o - | FileCheck %s --check-prefix=DARWIN5 6struct Foo {7 Foo();8 Foo(const Foo &o);9 ~Foo();10 int x;11};12int __attribute__((target("default"))) bar(Foo o) { return o.x; }13int __attribute__((target("sse4.2"))) bar(Foo o) { return o.x + 1; }14int __attribute__((target("arch=ivybridge"))) bar(Foo o) { return o.x + 2; }15 16void usage() {17 Foo f;18 bar(f);19}20 21// DARWIN-NOT: inalloca(22// LINUX-NOT: inalloca(23 24// WINDOWS: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z"(ptr inalloca(<{ %struct.Foo }>) %0)25// WINDOWS: %[[O:[0-9a-zA-Z]+]] = getelementptr inbounds nuw <{ %struct.Foo }>, ptr %0, i32 0, i32 026// WINDOWS: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 027// WINDOWS: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]28// WINDOWS: ret i32 %[[LOAD]]29 30// WINDOWS: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z.sse4.2"(ptr inalloca(<{ %struct.Foo }>) %0)31// WINDOWS: %[[O:[0-9a-zA-Z]+]] = getelementptr inbounds nuw <{ %struct.Foo }>, ptr %0, i32 0, i32 032// WINDOWS: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 033// WINDOWS: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]34// WINDOWS: %[[ADD:[0-9a-zA-Z]+]] = add nsw i32 %[[LOAD]], 135// WINDOWS: ret i32 %[[ADD]]36 37// WINDOWS: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z.arch_ivybridge"(ptr inalloca(<{ %struct.Foo }>) %0)38// WINDOWS: %[[O:[0-9a-zA-Z]+]] = getelementptr inbounds nuw <{ %struct.Foo }>, ptr %0, i32 0, i32 039// WINDOWS: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 040// WINDOWS: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]41// WINDOWS: %[[ADD:[0-9a-zA-Z]+]] = add nsw i32 %[[LOAD]], 242// WINDOWS: ret i32 %[[ADD]]43 44// WINDOWS: define dso_local void @"?usage@@YAXXZ"()45// WINDOWS: %[[F:[0-9a-zA-Z]+]] = alloca %struct.Foo46// WINDOWS: %[[ARGMEM:[0-9a-zA-Z]+]] = alloca inalloca <{ %struct.Foo }>47// WINDOWS: %[[CALL:[0-9a-zA-Z]+]] = call noundef i32 @"?bar@@YAHUFoo@@@Z.resolver"(ptr inalloca(<{ %struct.Foo }>) %[[ARGMEM]])48 49// WINDOWS: define weak_odr dso_local i32 @"?bar@@YAHUFoo@@@Z.resolver"(ptr %0)50// WINDOWS: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z.arch_ivybridge"(ptr %0)51// WINDOWS-NEXT: ret i32 %[[RET]]52// WINDOWS: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z.sse4.2"(ptr %0)53// WINDOWS-NEXT: ret i32 %[[RET]]54// WINDOWS: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z"(ptr %0)55// WINDOWS-NEXT: ret i32 %[[RET]]56 57 58// WINDOWS64: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z"(ptr dead_on_return noundef %[[O:[0-9a-zA-Z]+]])59// WINDOWS64: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 060// WINDOWS64: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]61// WINDOWS64: ret i32 %[[LOAD]]62 63// WINDOWS64: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z.sse4.2"(ptr dead_on_return noundef %[[O:[0-9a-zA-Z]+]])64// WINDOWS64: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 065// WINDOWS64: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]66// WINDOWS64: %[[ADD:[0-9a-zA-Z]+]] = add nsw i32 %[[LOAD]], 167// WINDOWS64: ret i32 %[[ADD]]68 69// WINDOWS64: define dso_local noundef i32 @"?bar@@YAHUFoo@@@Z.arch_ivybridge"(ptr dead_on_return noundef %[[O:[0-9a-zA-Z]+]])70// WINDOWS64: %[[X:[0-9a-zA-Z]+]] = getelementptr inbounds nuw %struct.Foo, ptr %[[O]], i32 0, i32 071// WINDOWS64: %[[LOAD:[0-9a-zA-Z]+]] = load i32, ptr %[[X]]72// WINDOWS64: %[[ADD:[0-9a-zA-Z]+]] = add nsw i32 %[[LOAD]], 273// WINDOWS64: ret i32 %[[ADD]]74 75// WINDOWS64: define dso_local void @"?usage@@YAXXZ"()76// WINDOWS64: %[[F:[0-9a-zA-Z]+]] = alloca %struct.Foo77// WINDOWS64: %[[ARG:[0-9a-zA-Z.]+]] = alloca %struct.Foo78// WINDOWS64: %[[CALL:[0-9a-zA-Z]+]] = call noundef i32 @"?bar@@YAHUFoo@@@Z.resolver"(ptr dead_on_return noundef %[[ARG]])79 80// WINDOWS64: define weak_odr dso_local i32 @"?bar@@YAHUFoo@@@Z.resolver"(ptr %0)81// WINDOWS64: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z.arch_ivybridge"(ptr %0)82// WINDOWS64-NEXT: ret i32 %[[RET]]83// WINDOWS64: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z.sse4.2"(ptr %0)84// WINDOWS64-NEXT: ret i32 %[[RET]]85// WINDOWS64: %[[RET:[0-9a-zA-Z]+]] = musttail call i32 @"?bar@@YAHUFoo@@@Z"(ptr %0)86// WINDOWS64-NEXT: ret i32 %[[RET]]87