75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
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// REQUIRES: x86-registered-target
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// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -fasm-blocks -emit-llvm -o - | FileCheck %s
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void t1() {
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int var = 10;
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__asm mov rax, offset var ; rax = address of myvar
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// CHECK: t1
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// CHECK: call void asm sideeffect inteldialect
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// CHECK-SAME: mov rax, $0
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// CHECK-SAME: "r,~{rax},~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
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}
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void t2() {
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int var = 10;
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__asm mov qword ptr [eax], offset var
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// CHECK: t2
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// CHECK: call void asm sideeffect inteldialect
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// CHECK-SAME: mov qword ptr [eax], $0
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// CHECK-SAME: "r,~{dirflag},~{fpsr},~{flags}"(i32* %{{.*}})
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}
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struct t3_type { int a, b; };
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int t3() {
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struct t3_type foo;
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foo.a = 1;
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foo.b = 2;
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__asm {
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lea ebx, foo
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mov eax, [ebx].0
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mov [ebx].4, ecx
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}
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return foo.b;
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// CHECK: t3
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// CHECK: call void asm sideeffect inteldialect
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// CHECK-SAME: lea ebx, $0
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// CHECK-SAME: mov eax, [ebx]
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// CHECK-SAME: mov [ebx + $$4], ecx
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// CHECK-SAME: "*m,~{eax},~{ebx},~{dirflag},~{fpsr},~{flags}"(%struct.t3_type* %{{.*}})
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}
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int t4() {
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struct t3_type foo;
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foo.a = 1;
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foo.b = 2;
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__asm {
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lea ebx, foo
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{
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mov eax, [ebx].foo.a
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}
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mov [ebx].foo.b, ecx
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}
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return foo.b;
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// CHECK: t4
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// CHECK: call void asm sideeffect inteldialect
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// CHECK-SAME: lea ebx, $0
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// CHECK-SAME: mov eax, [ebx]
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// CHECK-SAME: mov [ebx + $$4], ecx
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// CHECK-SAME: "*m,~{eax},~{ebx},~{dirflag},~{fpsr},~{flags}"(%struct.t3_type* %{{.*}})
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}
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void bar() {}
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void t5() {
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__asm {
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call bar
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jmp bar
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}
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// CHECK: t5
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// CHECK: call void asm sideeffect inteldialect
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// CHECK-SAME: call qword ptr ${0:P}
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// CHECK-SAME: jmp qword ptr ${1:P}
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// CHECK-SAME: "*m,*m,~{dirflag},~{fpsr},~{flags}"(void (...)* bitcast (void ()* @bar to void (...)*), void (...)* bitcast (void ()* @bar to void (...)*))
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}
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