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Diffstat (limited to 'clang/test/CodeGen/asm-variable.c')
| -rw-r--r-- | clang/test/CodeGen/asm-variable.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/clang/test/CodeGen/asm-variable.c b/clang/test/CodeGen/asm-variable.c new file mode 100644 index 00000000000..7f749132988 --- /dev/null +++ b/clang/test/CodeGen/asm-variable.c @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - | FileCheck %s + +unsigned long long foo(unsigned long long addr, unsigned long long a0, + unsigned long long a1, unsigned long long a2, + unsigned long long a3, unsigned long long a4, + unsigned long long a5) { + register unsigned long long result asm("rax"); + register unsigned long long b0 asm("rdi"); + register unsigned long long b1 asm("rsi"); + register unsigned long long b2 asm("rdx"); + register unsigned long long b3 asm("rcx"); + register unsigned long long b4 asm("r8"); + register unsigned long long b5 asm("r9"); + + b0 = a0; + b1 = a1; + b2 = a2; + b3 = a3; + b4 = a4; + b5 = a5; + + asm("call *%1" : "=r" (result) + : "r"(addr), "r" (b0), "r" (b1), "r" (b2), "r" (b3), "r" (b4), "r" (b5)); + return result; +} + +// CHECK: call i64 asm "call *$1", "={rax},r,{rdi},{rsi},{rdx},{rcx},{r8},{r9},~{dirflag},~{fpsr},~{flags}" |
