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