1 ; RUN: llc < %s -march=x86 -mcpu=core2 -no-integrated-as | FileCheck %s 2 3 define i32 @t1() nounwind { 4 entry: 5 %0 = tail call i32 asm sideeffect inteldialect "mov eax, $1\0A\09mov $0, eax", "=r,r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32 1) nounwind 6 ret i32 %0 7 ; CHECK: t1 8 ; CHECK: {{## InlineAsm Start|#APP}} 9 ; CHECK: .intel_syntax 10 ; CHECK: mov eax, ecx 11 ; CHECK: mov ecx, eax 12 ; CHECK: .att_syntax 13 ; CHECK: {{## InlineAsm End|#NO_APP}} 14 } 15 16 define void @t2() nounwind { 17 entry: 18 call void asm sideeffect inteldialect "mov eax, $$1", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind 19 ret void 20 ; CHECK: t2 21 ; CHECK: {{## InlineAsm Start|#APP}} 22 ; CHECK: .intel_syntax 23 ; CHECK: mov eax, 1 24 ; CHECK: .att_syntax 25 ; CHECK: {{## InlineAsm End|#NO_APP}} 26 } 27 28 define void @t3(i32 %V) nounwind { 29 entry: 30 %V.addr = alloca i32, align 4 31 store i32 %V, i32* %V.addr, align 4 32 call void asm sideeffect inteldialect "mov eax, DWORD PTR [$0]", "*m,~{eax},~{dirflag},~{fpsr},~{flags}"(i32* %V.addr) nounwind 33 ret void 34 ; CHECK: t3 35 ; CHECK: {{## InlineAsm Start|#APP}} 36 ; CHECK: .intel_syntax 37 ; CHECK: mov eax, DWORD PTR {{[[esp]}} 38 ; CHECK: .att_syntax 39 ; CHECK: {{## InlineAsm End|#NO_APP}} 40 } 41 42 %struct.t18_type = type { i32, i32 } 43 44 define i32 @t18() nounwind { 45 entry: 46 %foo = alloca %struct.t18_type, align 4 47 %a = getelementptr inbounds %struct.t18_type, %struct.t18_type* %foo, i32 0, i32 0 48 store i32 1, i32* %a, align 4 49 %b = getelementptr inbounds %struct.t18_type, %struct.t18_type* %foo, i32 0, i32 1 50 store i32 2, i32* %b, align 4 51 call void asm sideeffect inteldialect "lea ebx, foo\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "~{eax},~{dirflag},~{fpsr},~{flags}"() nounwind 52 %b1 = getelementptr inbounds %struct.t18_type, %struct.t18_type* %foo, i32 0, i32 1 53 %0 = load i32, i32* %b1, align 4 54 ret i32 %0 55 ; CHECK: t18 56 ; CHECK: {{## InlineAsm Start|#APP}} 57 ; CHECK: .intel_syntax 58 ; CHECK: lea ebx, foo 59 ; CHECK: mov eax, [ebx].0 60 ; CHECK: mov [ebx].4, ecx 61 ; CHECK: .att_syntax 62 ; CHECK: {{## InlineAsm End|#NO_APP}} 63 } 64 65 define void @t19_helper() nounwind { 66 entry: 67 ret void 68 } 69 70 define void @t19() nounwind { 71 entry: 72 call void asm sideeffect inteldialect "call $0", "r,~{dirflag},~{fpsr},~{flags}"(void ()* @t19_helper) nounwind 73 ret void 74 ; CHECK-LABEL: t19: 75 ; CHECK: movl ${{_?}}t19_helper, %eax 76 ; CHECK: {{## InlineAsm Start|#APP}} 77 ; CHECK: .intel_syntax 78 ; CHECK: call eax 79 ; CHECK: .att_syntax 80 ; CHECK: {{## InlineAsm End|#NO_APP}} 81 } 82 83 @results = global [2 x i32] [i32 3, i32 2], align 4 84 85 define i32* @t30() nounwind ssp { 86 entry: 87 %res = alloca i32*, align 4 88 call void asm sideeffect inteldialect "lea edi, dword ptr $0", "*m,~{edi},~{dirflag},~{fpsr},~{flags}"([2 x i32]* @results) nounwind 89 call void asm sideeffect inteldialect "mov dword ptr $0, edi", "=*m,~{dirflag},~{fpsr},~{flags}"(i32** %res) nounwind 90 %0 = load i32*, i32** %res, align 4 91 ret i32* %0 92 ; CHECK-LABEL: t30: 93 ; CHECK: {{## InlineAsm Start|#APP}} 94 ; CHECK: .intel_syntax 95 ; CHECK: lea edi, dword ptr [{{_?}}results] 96 ; CHECK: .att_syntax 97 ; CHECK: {{## InlineAsm End|#NO_APP}} 98 ; CHECK: {{## InlineAsm Start|#APP}} 99 ; CHECK: .intel_syntax 100 ; CHECK: mov dword ptr [esp], edi 101 ; CHECK: .att_syntax 102 ; CHECK: {{## InlineAsm End|#NO_APP}} 103 ; CHECK: movl (%esp), %eax 104 } 105 106 ; Stack realignment plus MS inline asm that does *not* adjust the stack is no 107 ; longer an error. 108 109 define i32 @t31() { 110 entry: 111 %val = alloca i32, align 64 112 store i32 -1, i32* %val, align 64 113 call void asm sideeffect inteldialect "mov dword ptr $0, esp", "=*m,~{dirflag},~{fpsr},~{flags}"(i32* %val) 114 %sp = load i32, i32* %val, align 64 115 ret i32 %sp 116 ; CHECK-LABEL: t31: 117 ; CHECK: pushl %ebp 118 ; CHECK: movl %esp, %ebp 119 ; CHECK: andl $-64, %esp 120 ; CHECK: {{## InlineAsm Start|#APP}} 121 ; CHECK: .intel_syntax 122 ; CHECK: mov dword ptr [esp], esp 123 ; CHECK: .att_syntax 124 ; CHECK: {{## InlineAsm End|#NO_APP}} 125 ; CHECK: movl (%esp), %eax 126 ; CHECK: ret 127 } 128 129 declare hidden void @other_func() 130 131 define void @naked() #0 { 132 call void asm sideeffect inteldialect "call dword ptr $0", "*m,~{eax},~{ebx},~{ecx},~{edx},~{edi},~{esi},~{esp},~{ebp},~{dirflag},~{fpsr},~{flags}"(void()* @other_func) 133 unreachable 134 } 135 136 attributes #0 = { naked } 137
