1 // REQUIRES: x86-registered-target 2 // RUN: %clang_cc1 -x c++ %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - -std=c++11 | FileCheck %s 3 4 // rdar://13645930 5 6 struct Foo { 7 static int *ptr; 8 static int a, b; 9 int arr[4]; 10 struct Bar { 11 static int *ptr; 12 char arr[2]; 13 }; 14 }; 15 16 void t1() { 17 Foo::ptr = (int *)0xDEADBEEF; 18 Foo::Bar::ptr = (int *)0xDEADBEEF; 19 __asm mov eax, Foo ::ptr 20 __asm mov eax, Foo :: Bar :: ptr 21 __asm mov eax, [Foo:: ptr] 22 __asm mov eax, dword ptr [Foo :: ptr] 23 __asm mov eax, dword ptr [Foo :: ptr] 24 // CHECK: @_Z2t1v 25 // CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $0\0A\09mov eax, dword ptr $1\0A\09mov eax, dword ptr $2\0A\09mov eax, dword ptr $3\0A\09mov eax, dword ptr $4", "*m,*m,*m,*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3Bar3ptrE, i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3ptrE) 26 } 27 28 int gvar = 10; 29 void t2() { 30 int lvar = 10; 31 __asm mov eax, offset Foo::ptr 32 __asm mov eax, offset Foo::Bar::ptr 33 // CHECK: t2 34 // CHECK: call void asm sideeffect inteldialect "mov eax, $0\0A\09mov eax, $1", "r,r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32** @_ZN3Foo3ptrE, i32** @_ZN3Foo3Bar3ptrE) 35 } 36 37 // CHECK-LABEL: define void @_Z2t3v() 38 void t3() { 39 __asm mov eax, LENGTH Foo::ptr 40 __asm mov eax, LENGTH Foo::Bar::ptr 41 __asm mov eax, LENGTH Foo::arr 42 __asm mov eax, LENGTH Foo::Bar::arr 43 44 __asm mov eax, TYPE Foo::ptr 45 __asm mov eax, TYPE Foo::Bar::ptr 46 __asm mov eax, TYPE Foo::arr 47 __asm mov eax, TYPE Foo::Bar::arr 48 49 __asm mov eax, SIZE Foo::ptr 50 __asm mov eax, SIZE Foo::Bar::ptr 51 __asm mov eax, SIZE Foo::arr 52 __asm mov eax, SIZE Foo::Bar::arr 53 // CHECK: call void asm sideeffect inteldialect "mov eax, $$1\0A\09mov eax, $$1\0A\09mov eax, $$4\0A\09mov eax, $$2\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$1\0A\09mov eax, $$4\0A\09mov eax, $$4\0A\09mov eax, $$16\0A\09mov eax, $$2", "~{eax},~{dirflag},~{fpsr},~{flags}"() 54 55 } 56 57 struct T4 { 58 int x; 59 static int y; 60 void test(); 61 }; 62 63 // CHECK-LABEL: define void @_ZN2T44testEv( 64 void T4::test() { 65 // CHECK: [[T0:%.*]] = alloca [[T4:%.*]]*, 66 // CHECK: [[THIS:%.*]] = load [[T4]]*, [[T4]]** [[T0]] 67 // CHECK: [[X:%.*]] = getelementptr inbounds [[T4]], [[T4]]* [[THIS]], i32 0, i32 0 68 __asm mov eax, x; 69 __asm mov y, eax; 70 // CHECK: call void asm sideeffect inteldialect "mov eax, dword ptr $1\0A\09mov dword ptr $0, eax", "=*m,*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* @_ZN2T41yE, i32* {{.*}}) 71 } 72 73 template <class T> struct T5 { 74 template <class U> static T create(U); 75 void run(); 76 }; 77 // CHECK-LABEL: define void @_Z5test5v() 78 void test5() { 79 // CHECK: [[X:%.*]] = alloca i32 80 // CHECK: [[Y:%.*]] = alloca i32 81 int x, y; 82 __asm push y 83 __asm call T5<int>::create<float> 84 __asm mov x, eax 85 // CHECK: call void asm sideeffect inteldialect "push dword ptr $0\0A\09call dword ptr $2\0A\09mov dword ptr $1, eax", "=*m,=*m,*m,~{esp},~{dirflag},~{fpsr},~{flags}"(i32* %y, i32* %x, i32 (float)* @_ZN2T5IiE6createIfEEiT_) 86 } 87 88 // Just verify this doesn't emit an error. 89 void test6() { 90 __asm { 91 a: 92 jmp a 93 } 94 } 95 96 void t7_struct() { 97 struct A { 98 int a; 99 int b; 100 }; 101 __asm mov eax, [eax].A.b 102 // CHECK-LABEL: define void @_Z9t7_structv 103 // CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"() 104 } 105 106 void t7_typedef() { 107 typedef struct { 108 int a; 109 int b; 110 } A; 111 __asm mov eax, [eax].A.b 112 // CHECK-LABEL: define void @_Z10t7_typedefv 113 // CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"() 114 } 115 116 void t7_using() { 117 using A = struct { 118 int a; 119 int b; 120 }; 121 __asm mov eax, [eax].A.b 122 // CHECK-LABEL: define void @_Z8t7_usingv 123 // CHECK: call void asm sideeffect inteldialect "mov eax, [eax].4", "~{eax},~{dirflag},~{fpsr},~{flags}"() 124 } 125 126 void t8() { 127 __asm some_label: 128 // CHECK-LABEL: define void @_Z2t8v() 129 // CHECK: call void asm sideeffect inteldialect "L__MSASMLABEL_.1__some_label:", "~{dirflag},~{fpsr},~{flags}"() 130 struct A { 131 static void g() { 132 __asm jmp some_label ; This should jump forwards 133 __asm some_label: 134 __asm nop 135 // CHECK-LABEL: define internal void @_ZZ2t8vEN1A1gEv() 136 // CHECK: call void asm sideeffect inteldialect "jmp L__MSASMLABEL_.2__some_label\0A\09L__MSASMLABEL_.2__some_label:\0A\09nop", "~{dirflag},~{fpsr},~{flags}"() 137 } 138 }; 139 A::g(); 140 } 141 142
