1 // RUN: %clang_cc1 %s -ffreestanding -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-64 2 // RUN: %clang_cc1 %s -ffreestanding -triple i386 -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-32 3 4 #include <cpuid.h> 5 6 // CHECK-64: {{.*}} call { i32, i32, i32, i32 } asm " xchgq %rbx,${1:q}\0A cpuid\0A xchgq %rbx,${1:q}", "={ax},=r,={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{[a-z0-9]+}}) 7 // CHECK-64: {{.*}} call { i32, i32, i32, i32 } asm " xchgq %rbx,${1:q}\0A cpuid\0A xchgq %rbx,${1:q}", "={ax},=r,={cx},={dx},0,2,~{dirflag},~{fpsr},~{flags}"(i32 %{{[a-z0-9]+}}, i32 %{{[a-z0-9]+}}) 8 9 // CHECK-32: {{.*}} call { i32, i32, i32, i32 } asm "cpuid", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{[a-z0-9]+}}) 10 // CHECK-32: {{.*}} call { i32, i32, i32, i32 } asm "cpuid", "={ax},={bx},={cx},={dx},0,2,~{dirflag},~{fpsr},~{flags}"(i32 %{{[a-z0-9]+}}, i32 %{{[a-z0-9]+}}) 11 12 unsigned eax0, ebx0, ecx0, edx0; 13 unsigned eax1, ebx1, ecx1, edx1; 14 15 void test_cpuid(unsigned level, unsigned count) { 16 __cpuid(level, eax1, ebx1, ecx1, edx1); 17 __cpuid_count(level, count, eax0, ebx0, ecx0, edx0); 18 } 19
