| // RUN: %llvmgcc %s -c -O3 -emit-llvm -o - | llc -march=x86-64 -mtriple=x86_64-apple-darwin | FileCheck %s | |
| // r9 used to be clobbered before its value was moved to r10. 7993104. | |
| void foo(int x, int y) { | |
| // CHECK: bar | |
| // CHECK: movq %r9, %r10 | |
| // CHECK: movq %rdi, %r9 | |
| // CHECK: bar | |
| register int lr9 asm("r9") = x; | |
| register int lr10 asm("r10") = y; | |
| int foo; | |
| asm volatile("bar" : "=r"(lr9) : "r"(lr9), "r"(lr10)); | |
| foo = lr9; | |
| lr9 = x; | |
| lr10 = foo; | |
| asm volatile("bar" : "=r"(lr9) : "r"(lr9), "r"(lr10)); | |
| } |