47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
// REQUIRES: x86-64-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 "mov rax, $0", "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 [eax], offset var
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// CHECK: t2
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// CHECK: call void asm sideeffect inteldialect "mov [eax], $0", "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 "lea ebx, qword ptr $0\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "*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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mov eax, [ebx].foo.a
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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 "lea ebx, qword ptr $0\0A\09mov eax, [ebx].0\0A\09mov [ebx].4, ecx", "*m,~{eax},~{ebx},~{dirflag},~{fpsr},~{flags}"(%struct.t3_type* %{{.*}})
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}
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