1 files changed, 250 insertions, 0 deletions
diff --git a/test/CodeGen/X86/atomic32.ll b/test/CodeGen/X86/atomic32.ll
new file mode 100644
index 0000000..dc927d8
--- /dev/null
+++ b/test/CodeGen/X86/atomic32.ll
@@ -0,0 +1,250 @@
+; RUN: llc < %s -O0 -march=x86-64 -mcpu=corei7 | FileCheck %s --check-prefix X64
+; RUN: llc < %s -O0 -march=x86 -mcpu=corei7 | FileCheck %s --check-prefix X32
+
+@sc32 = external global i32
+
+define void @atomic_fetch_add32() nounwind {
+; X64:   atomic_fetch_add32
+; X32:   atomic_fetch_add32
+entry:
+; 32-bit
+  %t1 = atomicrmw add  i32* @sc32, i32 1 acquire
+; X64:       lock
+; X64:       incl
+; X32:       lock
+; X32:       incl
+  %t2 = atomicrmw add  i32* @sc32, i32 3 acquire
+; X64:       lock
+; X64:       addl $3
+; X32:       lock
+; X32:       addl $3
+  %t3 = atomicrmw add  i32* @sc32, i32 5 acquire
+; X64:       lock
+; X64:       xaddl
+; X32:       lock
+; X32:       xaddl
+  %t4 = atomicrmw add  i32* @sc32, i32 %t3 acquire
+; X64:       lock
+; X64:       addl
+; X32:       lock
+; X32:       addl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_sub32() nounwind {
+; X64:   atomic_fetch_sub32
+; X32:   atomic_fetch_sub32
+  %t1 = atomicrmw sub  i32* @sc32, i32 1 acquire
+; X64:       lock
+; X64:       decl
+; X32:       lock
+; X32:       decl
+  %t2 = atomicrmw sub  i32* @sc32, i32 3 acquire
+; X64:       lock
+; X64:       subl $3
+; X32:       lock
+; X32:       subl $3
+  %t3 = atomicrmw sub  i32* @sc32, i32 5 acquire
+; X64:       lock
+; X64:       xaddl
+; X32:       lock
+; X32:       xaddl
+  %t4 = atomicrmw sub  i32* @sc32, i32 %t3 acquire
+; X64:       lock
+; X64:       subl
+; X32:       lock
+; X32:       subl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_and32() nounwind {
+; X64:   atomic_fetch_and32
+; X32:   atomic_fetch_and32
+  %t1 = atomicrmw and  i32* @sc32, i32 3 acquire
+; X64:       lock
+; X64:       andl $3
+; X32:       lock
+; X32:       andl $3
+  %t2 = atomicrmw and  i32* @sc32, i32 5 acquire
+; X64:       andl
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       andl
+; X32:       lock
+; X32:       cmpxchgl
+  %t3 = atomicrmw and  i32* @sc32, i32 %t2 acquire
+; X64:       lock
+; X64:       andl
+; X32:       lock
+; X32:       andl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_or32() nounwind {
+; X64:   atomic_fetch_or32
+; X32:   atomic_fetch_or32
+  %t1 = atomicrmw or   i32* @sc32, i32 3 acquire
+; X64:       lock
+; X64:       orl $3
+; X32:       lock
+; X32:       orl $3
+  %t2 = atomicrmw or   i32* @sc32, i32 5 acquire
+; X64:       orl
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       orl
+; X32:       lock
+; X32:       cmpxchgl
+  %t3 = atomicrmw or   i32* @sc32, i32 %t2 acquire
+; X64:       lock
+; X64:       orl
+; X32:       lock
+; X32:       orl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_xor32() nounwind {
+; X64:   atomic_fetch_xor32
+; X32:   atomic_fetch_xor32
+  %t1 = atomicrmw xor  i32* @sc32, i32 3 acquire
+; X64:       lock
+; X64:       xorl $3
+; X32:       lock
+; X32:       xorl $3
+  %t2 = atomicrmw xor  i32* @sc32, i32 5 acquire
+; X64:       xorl
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       xorl
+; X32:       lock
+; X32:       cmpxchgl
+  %t3 = atomicrmw xor  i32* @sc32, i32 %t2 acquire
+; X64:       lock
+; X64:       xorl
+; X32:       lock
+; X32:       xorl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_nand32(i32 %x) nounwind {
+; X64:   atomic_fetch_nand32
+; X32:   atomic_fetch_nand32
+  %t1 = atomicrmw nand i32* @sc32, i32 %x acquire
+; X64:       andl
+; X64:       notl
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       andl
+; X32:       notl
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_max32(i32 %x) nounwind {
+  %t1 = atomicrmw max  i32* @sc32, i32 %x acquire
+; X64:       cmpl
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgl
+
+; X32:       cmpl
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_min32(i32 %x) nounwind {
+  %t1 = atomicrmw min  i32* @sc32, i32 %x acquire
+; X64:       cmpl
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgl
+
+; X32:       cmpl
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_umax32(i32 %x) nounwind {
+  %t1 = atomicrmw umax i32* @sc32, i32 %x acquire
+; X64:       cmpl
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgl
+
+; X32:       cmpl
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_umin32(i32 %x) nounwind {
+  %t1 = atomicrmw umin i32* @sc32, i32 %x acquire
+; X64:       cmpl
+; X64:       cmov
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       cmpl
+; X32:       cmov
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_cmpxchg32() nounwind {
+  %t1 = cmpxchg i32* @sc32, i32 0, i32 1 acquire
+; X64:       lock
+; X64:       cmpxchgl
+; X32:       lock
+; X32:       cmpxchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_store32(i32 %x) nounwind {
+  store atomic i32 %x, i32* @sc32 release, align 4
+; X64-NOT:   lock
+; X64:       movl
+; X32-NOT:   lock
+; X32:       movl
+  ret void
+; X64:       ret
+; X32:       ret
+}
+
+define void @atomic_fetch_swap32(i32 %x) nounwind {
+  %t1 = atomicrmw xchg i32* @sc32, i32 %x acquire
+; X64-NOT:   lock
+; X64:       xchgl
+; X32-NOT:   lock
+; X32:       xchgl
+  ret void
+; X64:       ret
+; X32:       ret
+}