1176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-apple-darwin -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-64 2176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// RUN: %clang_cc1 %s -ffreestanding -triple i386 -emit-llvm -o - | FileCheck %s --check-prefix=CHECK-32 3176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 4176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines#include <cpuid.h> 5176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 6176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// 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]+}}) 7176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// 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]+}}) 8176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 9176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// CHECK-32: {{.*}} call { i32, i32, i32, i32 } asm "cpuid", "={ax},={bx},={cx},={dx},0,~{dirflag},~{fpsr},~{flags}"(i32 %{{[a-z0-9]+}}) 10176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines// 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]+}}) 11176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 12176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hinesunsigned eax0, ebx0, ecx0, edx0; 13176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hinesunsigned eax1, ebx1, ecx1, edx1; 14176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines 15176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hinesvoid test_cpuid(unsigned level, unsigned count) { 16176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines __cpuid(level, eax1, ebx1, ecx1, edx1); 17176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines __cpuid_count(level, count, eax0, ebx0, ecx0, edx0); 18176edba5311f6eff0cad2631449885ddf4fbc9eaStephen Hines} 19