diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/atomic128.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/atomic128.ll | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/llvm/test/CodeGen/X86/atomic128.ll b/llvm/test/CodeGen/X86/atomic128.ll index c41269b0b60..1bf7bfbfa26 100644 --- a/llvm/test/CodeGen/X86/atomic128.ll +++ b/llvm/test/CodeGen/X86/atomic128.ll @@ -4,9 +4,14 @@ define i128 @val_compare_and_swap(i128* %p, i128 %oldval, i128 %newval) { ; CHECK-LABEL: val_compare_and_swap: +; Due to the scheduling right after isel for cmpxchg and given the +; machine scheduler and copy coalescer do not mess up with physical +; register live-ranges, we end up with a useless copy. +; +; CHECK: movq %rcx, [[TMP:%r[0-9a-z]+]] ; CHECK: movq %rsi, %rax -; CHECK: movq %rcx, %rbx ; CHECK: movq %r8, %rcx +; CHECK: movq [[TMP]], %rbx ; CHECK: lock ; CHECK: cmpxchg16b (%rdi) @@ -216,8 +221,8 @@ define i128 @atomic_load_seq_cst(i128* %p) { ; CHECK-LABEL: atomic_load_seq_cst: ; CHECK: xorl %eax, %eax ; CHECK: xorl %edx, %edx -; CHECK: xorl %ebx, %ebx ; CHECK: xorl %ecx, %ecx +; CHECK: xorl %ebx, %ebx ; CHECK: lock ; CHECK: cmpxchg16b (%rdi) @@ -229,8 +234,8 @@ define i128 @atomic_load_relaxed(i128* %p) { ; CHECK: atomic_load_relaxed: ; CHECK: xorl %eax, %eax ; CHECK: xorl %edx, %edx -; CHECK: xorl %ebx, %ebx ; CHECK: xorl %ecx, %ecx +; CHECK: xorl %ebx, %ebx ; CHECK: lock ; CHECK: cmpxchg16b (%rdi) |
