1 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s 2 3 unsigned long long foo(unsigned long long addr, unsigned long long a0, 4 unsigned long long a1, unsigned long long a2, 5 unsigned long long a3, unsigned long long a4, 6 unsigned long long a5) { 7 register unsigned long long result asm("rax"); 8 register unsigned long long b0 asm("rdi"); 9 register unsigned long long b1 asm("rsi"); 10 register unsigned long long b2 asm("rdx"); 11 register unsigned long long b3 asm("rcx"); 12 register unsigned long long b4 asm("r8"); 13 register unsigned long long b5 asm("r9"); 14 15 b0 = a0; 16 b1 = a1; 17 b2 = a2; 18 b3 = a3; 19 b4 = a4; 20 b5 = a5; 21 22 asm("call *%1" : "=r" (result) 23 : "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5)); 24 return result; 25 } 26 27 // CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}" 28 29 unsigned long long foo2(unsigned long long addr, double a0, 30 double a1, double a2, 31 double a3, double a4, 32 double a5, double a6, double a7) { 33 register double b0 asm("xmm0"); 34 register double b1 asm("xmm1"); 35 register double b2 asm("xmm2"); 36 register double b3 asm("xmm3"); 37 register double b4 asm("xmm4"); 38 register double b5 asm("xmm5"); 39 register double b6 asm("xmm6"); 40 register double b7 asm("xmm7"); 41 42 register unsigned long long result asm("rax"); 43 44 b0 = a0; 45 b1 = a1; 46 b2 = a2; 47 b3 = a3; 48 b4 = a4; 49 b5 = a5; 50 b6 = a6; 51 b7 = a7; 52 53 asm("call *%1" : "=r" (result) 54 : "r"(addr), "x" (b0), "x" (b1), "x" (b2), "x" (b3), "x" (b4), "x" (b5), "x" (b6), 55 "x" (b7)); 56 return result; 57 } 58 59 // CHECK: call i64 asm "call *$1", "={rax},r,{xmm0},{xmm1},{xmm2},{xmm3},{xmm4},{xmm5},{xmm6},{xmm7},~{dirflag},~{fpsr},~{flags} 60 61 int randomvar asm("randomvar"); 62 void foo3() { 63 asm("vartest %0" : : "r"(randomvar)); 64 } 65 // CHECK: call void asm sideeffect "vartest $0", "r,~{dirflag},~{fpsr},~{flags}" 66
