1 files changed, 216 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic64.ll b/test/CodeGen/X86/atomic64.ll
new file mode 100644
index 0000000000000..45785cc8fe525
--- /dev/null
+++ b/test/CodeGen/X86/atomic64.ll
@@ -0,0 +1,216 @@
+; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 | FileCheck %s --check-prefix X64
+
+@sc64 = external global i64
+
+define void @atomic_fetch_add64() nounwind {
+; X64:   atomic_fetch_add64
+entry:
+  %t1 = atomicrmw add  i64* @sc64, i64 1 acquire
+; X64:       lock
+; X64:       incq
+  %t2 = atomicrmw add  i64* @sc64, i64 3 acquire
+; X64:       lock
+; X64:       addq $3
+  %t3 = atomicrmw add  i64* @sc64, i64 5 acquire
+; X64:       lock
+; X64:       xaddq
+  %t4 = atomicrmw add  i64* @sc64, i64 %t3 acquire
+; X64:       lock
+; X64:       addq
+  ret void
+; X64:       ret
+}
+
+define void @atomic_fetch_sub64() nounwind {
+; X64:   atomic_fetch_sub64
+  %t1 = atomicrmw sub  i64* @sc64, i64 1 acquire
+; X64:       lock
+; X64:       decq
+  %t2 = atomicrmw sub  i64* @sc64, i64 3 acquire
+; X64:       lock
+; X64:       subq $3
+  %t3 = atomicrmw sub  i64* @sc64, i64 5 acquire
+; X64:       lock
+; X64:       xaddq
+  %t4 = atomicrmw sub  i64* @sc64, i64 %t3 acquire
+; X64:       lock
+; X64:       subq
+  ret void
+; X64:       ret
+}
+
+define void @atomic_fetch_and64() nounwind {
+; X64:   atomic_fetch_and64
+  %t1 = atomicrmw and  i64* @sc64, i64 3 acquire
+; X64:       lock
+; X64:       andq $3
+  %t2 = atomicrmw and  i64* @sc64, i64 5 acquire
+; X64:       andq
+; X64:       lock
+; X64:       cmpxchgq
+  %t3 = atomicrmw and  i64* @sc64, i64 %t2 acquire
+; X64:       lock
+; X64:       andq
+  ret void
+; X64:       ret
+}
+
+define void @atomic_fetch_or64() nounwind {
+; X64:   atomic_fetch_or64
+  %t1 = atomicrmw or   i64* @sc64, i64 3 acquire
+; X64:       lock
+; X64:       orq $3
+  %t2 = atomicrmw or   i64* @sc64, i64 5 acquire
+; X64:       orq
+; X64:       lock
+; X64:       cmpxchgq
+  %t3 = atomicrmw or   i64* @sc64, i64 %t2 acquire
+; X64:       lock
+; X64:       orq
+  ret void
+; X64:       ret
+}
+
+define void @atomic_fetch_xor64() nounwind {
+; X64:   atomic_fetch_xor64
+  %t1 = atomicrmw xor  i64* @sc64, i64 3 acquire
+; X64:       lock
+; X64:       xorq $3
+  %t2 = atomicrmw xor  i64* @sc64, i64 5 acquire
+; X64:       xorq
+; X64:       lock
+; X64:       cmpxchgq
+  %t3 = atomicrmw xor  i64* @sc64, i64 %t2 acquire
+; X64:       lock
+; X64:       xorq
+  ret void
+; X64:       ret
+}
+
+define void @atomic_fetch_nand64(i64 %x) nounwind {
+; X64:   atomic_fetch_nand64
+; X32:   atomic_fetch_nand64
+  %t1 = atomicrmw nand i64* @sc64, i64 %x acquire
+; X64:       andq
+; X64:       notq
+; X64:       lock
+; X64:       cmpxchgq
+; X32:       andl
+; X32:       andl
+; X32:       notl
+; X32:       notl
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_max64(i64 %x) nounwind {
+  %t1 = atomicrmw max  i64* @sc64, i64 %x acquire
+; X64:       cmpq
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgq
+
+; X32:       cmpl
+; X32:       cmpl
+; X32:       cmov
+; X32:       cmov
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_min64(i64 %x) nounwind {
+  %t1 = atomicrmw min  i64* @sc64, i64 %x acquire
+; X64:       cmpq
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgq
+
+; X32:       cmpl
+; X32:       cmpl
+; X32:       cmov
+; X32:       cmov
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_umax64(i64 %x) nounwind {
+  %t1 = atomicrmw umax i64* @sc64, i64 %x acquire
+; X64:       cmpq
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgq
+
+; X32:       cmpl
+; X32:       cmpl
+; X32:       cmov
+; X32:       cmov
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_umin64(i64 %x) nounwind {
+  %t1 = atomicrmw umin i64* @sc64, i64 %x acquire
+; X64:       cmpq
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgq
+
+; X32:       cmpl
+; X32:       cmpl
+; X32:       cmov
+; X32:       cmov
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_cmpxchg64() nounwind {
+  %t1 = cmpxchg i64* @sc64, i64 0, i64 1 acquire
+; X64:       lock
+; X64:       cmpxchgq
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_store64(i64 %x) nounwind {
+  store atomic i64 %x, i64* @sc64 release, align 8
+; X64-NOT:   lock
+; X64:       movq
+; X32:       lock
+; X32:       cmpxchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_swap64(i64 %x) nounwind {
+  %t1 = atomicrmw xchg i64* @sc64, i64 %x acquire
+; X64-NOT:   lock
+; X64:       xchgq
+; X32:       lock
+; X32:       xchg8b
+  ret void
+; X64:       ret
+; X32:       ret
+}