58 lines · cpp
1// REQUIRES: x86-registered-target2 3// RUN: %clang_cc1 -triple x86_64-pc-win32 -fasm-blocks -emit-llvm %s -o - | FileCheck %s4class t1 {5public:6 double a;7 void runc();8};9 10class t2 {11public:12 double a;13 void runc();14};15 16// CHECK: define dso_local void @"?runc@t2@@17void t2::runc() {18 double num = 0;19 __asm {20 mov rax,[this]21 // CHECK: [[THIS_ADDR_T2:%.+]] = alloca ptr22 // CHECK: [[THIS1_T2:%.+]] = load ptr, ptr [[THIS_ADDR_T2]],23 // CHECK: call void asm sideeffect inteldialect "mov rax,$1\0A\09mov rbx,[rax]\0A\09mov $0, rbx", "=*m,m,~{rax},~{rbx},~{dirflag},~{fpsr},~{flags}"(ptr elementtype(double) %num, ptr [[THIS1_T2]])24 mov rbx,[rax]25 mov num, rbx26 };27}28 29// CHECK: define dso_local void @"?runc@t1@@30void t1::runc() {31 double num = 0;32 __asm {33 mov rax,[this]34 // CHECK: [[THIS_ADDR_T1:%.+]] = alloca ptr35 // CHECK: [[THIS1_T1:%.+]] = load ptr, ptr [[THIS_ADDR_T1]],36 // CHECK: call void asm sideeffect inteldialect "mov rax,$1{{.*}}ptr [[THIS1_T1]]37 mov rbx,[rax]38 mov num, rbx39 };40}41 42struct s {43 int a;44 // CHECK: define linkonce_odr dso_local void @"?func@s@@45 void func() {46 __asm mov rax, [this]47 // CHECK: [[THIS_ADDR_S:%.+]] = alloca ptr48 // CHECK: [[THIS1_S:%.+]] = load ptr, ptr [[THIS_ADDR_S]],49 // CHECK: call void asm sideeffect inteldialect "mov rax, $0{{.*}}ptr [[THIS1_S]]50 }51} f3;52 53int main() {54 f3.func();55 f3.a=1;56 return 0;57}58