mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
bb8f59003c
automatically. Use -S with llvm-gcc rather than -c, so tests can work when llvm-gcc is really dragonegg (which can output IR with -S but not -c). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120158 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
509 B
C
18 lines
509 B
C
// RUN: %llvmgcc %s -S -O3 -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));
|
|
}
|