Index: lib/Target/AMDGPU/EvergreenInstructions.td
===================================================================
--- lib/Target/AMDGPU/EvergreenInstructions.td
+++ lib/Target/AMDGPU/EvergreenInstructions.td
@@ -35,28 +35,59 @@
     : EG_CF_RAT <0x57, rat_inst, rat_id, mask, (outs), ins,
                  "MEM_RAT_CACHELESS "#name, pattern>;
 
-class CF_MEM_RAT <bits<6> rat_inst, bits<4> rat_id, dag ins, string name,
-                  list<dag> pattern>
-    : EG_CF_RAT <0x56, rat_inst, rat_id, 0xf /* mask */, (outs), ins,
+class CF_MEM_RAT <bits<6> rat_inst, bits<4> rat_id, bits<4> mask, dag ins,
+                  dag outs, string name, list<dag> pattern>
+    : EG_CF_RAT <0x56, rat_inst, rat_id, mask, outs, ins,
                  "MEM_RAT "#name, pattern>;
 
 class CF_MEM_RAT_STORE_TYPED<bits<1> has_eop>
-    : CF_MEM_RAT <0x1, ?, (ins R600_Reg128:$rw_gpr, R600_Reg128:$index_gpr,
-                           i32imm:$rat_id, InstFlag:$eop),
+    : CF_MEM_RAT <0x1, ?, 0xf, (ins R600_Reg128:$rw_gpr, R600_Reg128:$index_gpr,
+                           i32imm:$rat_id, InstFlag:$eop), (outs),
                   "STORE_TYPED RAT($rat_id) $rw_gpr, $index_gpr"
                                #!if(has_eop, ", $eop", ""),
                   [(int_r600_rat_store_typed R600_Reg128:$rw_gpr,
                                              R600_Reg128:$index_gpr,
                                              (i32 imm:$rat_id))]>;
 
-def RAT_MSKOR : CF_MEM_RAT <0x11, 0,
-  (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr),
+def RAT_MSKOR : CF_MEM_RAT <0x11, 0, 0xf,
+  (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr), (outs),
   "MSKOR $rw_gpr.XW, $index_gpr",
   [(mskor_global v4i32:$rw_gpr, i32:$index_gpr)]
 > {
   let eop = 0;
 }
 
+
+multiclass RAT_ATOMIC<bits<6> op_ret, bits<6> op_noret, string name> {
+  let Constraints = "$rw_gpr = $out_gpr", eop = 0, mayStore = 1 in {
+  def  _RTN: CF_MEM_RAT <op_ret, 0, 0xf,
+             (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr),
+             (outs R600_Reg128:$out_gpr),
+             name ## "_RTN" ## " $rw_gpr, $index_gpr", [] >;
+  def _NORET: CF_MEM_RAT <op_noret, 0, 0xf,
+              (ins R600_Reg128:$rw_gpr, R600_TReg32_X:$index_gpr),
+              (outs R600_Reg128:$out_gpr),
+              name ## " $rw_gpr, $index_gpr", [] >;
+  }
+}
+
+// Swap no-ret is just store. Raw store to cached target
+// can only store on dword, which exactly matches swap_no_ret.
+defm RAT_ATOMIC_XCHG_INT : RAT_ATOMIC<1, 34, "ATOMIC_XCHG_INT">;
+defm RAT_ATOMIC_CMPXCHG_INT : RAT_ATOMIC<4, 36, "ATOMIC_CMPXCHG_INT">;
+defm RAT_ATOMIC_ADD : RAT_ATOMIC<7, 39, "ATOMIC_ADD">;
+defm RAT_ATOMIC_SUB : RAT_ATOMIC<8, 40, "ATOMIC_SUB">;
+defm RAT_ATOMIC_RSUB : RAT_ATOMIC<9, 41, "ATOMIC_RSUB">;
+defm RAT_ATOMIC_MIN_INT : RAT_ATOMIC<10, 42, "ATOMIC_MIN_INT">;
+defm RAT_ATOMIC_MIN_UINT : RAT_ATOMIC<11, 43, "ATOMIC_MIN_UINT">;
+defm RAT_ATOMIC_MAX_INT : RAT_ATOMIC<12, 44, "ATOMIC_MAX_INT">;
+defm RAT_ATOMIC_MAX_UINT : RAT_ATOMIC<13, 45, "ATOMIC_MAX_UINT">;
+defm RAT_ATOMIC_AND : RAT_ATOMIC<14, 46, "ATOMIC_AND">;
+defm RAT_ATOMIC_OR : RAT_ATOMIC<15, 47, "ATOMIC_OR">;
+defm RAT_ATOMIC_XOR : RAT_ATOMIC<16, 48, "ATOMIC_XOR">;
+defm RAT_ATOMIC_INC_UINT : RAT_ATOMIC<18, 50, "ATOMIC_INC_UINT">;
+defm RAT_ATOMIC_DEC_UINT : RAT_ATOMIC<19, 51, "ATOMIC_DEC_UINT">;
+
 } // End let Predicates = [isEGorCayman]
 
 //===----------------------------------------------------------------------===//
@@ -257,6 +288,76 @@
 
 let Predicates = [isEGorCayman] in {
 
+multiclass AtomicPat<Instruction inst_ret, Instruction inst_noret,
+                     SDPatternOperator node_ret, SDPatternOperator node_noret> {
+  // FIXME: Add _RTN version. We need per WI scratch location to store the old value
+  // EXTRACT_SUBREG here is dummy, we know the node has no uses
+  def : Pat<(i32 (node_noret i32:$ptr, i32:$data)),
+            (EXTRACT_SUBREG (inst_noret
+              (INSERT_SUBREG (v4i32 (IMPLICIT_DEF)), $data, sub0), $ptr), sub1)>;
+}
+multiclass AtomicIncDecPat<Instruction inst_ret, Instruction inst_noret,
+                     SDPatternOperator node_ret, SDPatternOperator node_noret, int C> {
+  // FIXME: Add _RTN version. We need per WI scratch location to store the old value
+  // EXTRACT_SUBREG here is dummy, we know the node has no uses
+  def : Pat<(i32 (node_noret i32:$ptr, C)),
+            (EXTRACT_SUBREG (inst_noret
+              (INSERT_SUBREG (v4i32 (IMPLICIT_DEF)), (MOV_IMM_I32 -1), sub0), $ptr), sub1)>;
+}
+
+// CMPSWAP is pattern is special
+// EXTRACT_SUBREG here is dummy, we know the node has no uses
+// FIXME: Add _RTN version. We need per WI scratch location to store the old value
+def : Pat<(i32 (atomic_cmp_swap_global_noret i32:$ptr, i32:$cmp, i32:$data)),
+          (EXTRACT_SUBREG (RAT_ATOMIC_CMPXCHG_INT_NORET
+            (INSERT_SUBREG
+              (INSERT_SUBREG (v4i32 (IMPLICIT_DEF)), $cmp, sub3),
+            $data, sub0),
+          $ptr), sub1)>;
+
+defm AtomicSwapPat : AtomicPat <RAT_ATOMIC_XCHG_INT_RTN,
+                                RAT_ATOMIC_XCHG_INT_NORET,
+                                atomic_swap_global_ret,
+                                atomic_swap_global_noret>;
+defm AtomicAddPat : AtomicPat <RAT_ATOMIC_ADD_RTN, RAT_ATOMIC_ADD_NORET,
+                               atomic_add_global_ret, atomic_add_global_noret>;
+defm AtomicSubPat : AtomicPat <RAT_ATOMIC_SUB_RTN, RAT_ATOMIC_SUB_NORET,
+                               atomic_sub_global_ret, atomic_sub_global_noret>;
+defm AtomicMinPat : AtomicPat <RAT_ATOMIC_MIN_INT_RTN,
+                               RAT_ATOMIC_MIN_INT_NORET,
+                               atomic_min_global_ret, atomic_min_global_noret>;
+defm AtomicUMinPat : AtomicPat <RAT_ATOMIC_MIN_UINT_RTN,
+                                RAT_ATOMIC_MIN_UINT_NORET,
+                                atomic_umin_global_ret, atomic_umin_global_noret>;
+defm AtomicMaxPat : AtomicPat <RAT_ATOMIC_MAX_INT_RTN,
+                               RAT_ATOMIC_MAX_INT_NORET,
+                               atomic_max_global_ret, atomic_max_global_noret>;
+defm AtomicUMaxPat : AtomicPat <RAT_ATOMIC_MAX_UINT_RTN,
+                                RAT_ATOMIC_MAX_UINT_NORET,
+                                atomic_umax_global_ret, atomic_umax_global_noret>;
+defm AtomicAndPat : AtomicPat <RAT_ATOMIC_AND_RTN, RAT_ATOMIC_AND_NORET,
+                               atomic_and_global_ret, atomic_and_global_noret>;
+defm AtomicOrPat : AtomicPat <RAT_ATOMIC_OR_RTN, RAT_ATOMIC_OR_NORET,
+                              atomic_or_global_ret, atomic_or_global_noret>;
+defm AtomicXorPat : AtomicPat <RAT_ATOMIC_XOR_RTN, RAT_ATOMIC_XOR_NORET,
+                               atomic_xor_global_ret, atomic_xor_global_noret>;
+defm AtomicIncAddPat : AtomicIncDecPat <RAT_ATOMIC_INC_UINT_RTN,
+                                        RAT_ATOMIC_INC_UINT_NORET,
+                                        atomic_add_global_ret,
+                                        atomic_add_global_noret, 1>;
+defm AtomicIncSubPat : AtomicIncDecPat <RAT_ATOMIC_INC_UINT_RTN,
+                                        RAT_ATOMIC_INC_UINT_NORET,
+                                        atomic_sub_global_ret,
+                                        atomic_sub_global_noret, -1>;
+defm AtomicDecAddPat : AtomicIncDecPat <RAT_ATOMIC_DEC_UINT_RTN,
+                                        RAT_ATOMIC_DEC_UINT_NORET,
+                                        atomic_add_global_ret,
+                                        atomic_add_global_noret, -1>;
+defm AtomicDecSubPat : AtomicIncDecPat <RAT_ATOMIC_DEC_UINT_RTN,
+                                        RAT_ATOMIC_DEC_UINT_NORET,
+                                        atomic_sub_global_ret,
+                                        atomic_sub_global_noret, 1>;
+
 // Should be predicated on FeatureFP64
 // def FMA_64 : R600_3OP <
 //   0xA, "FMA_64",
Index: lib/Target/AMDGPU/R600ISelLowering.cpp
===================================================================
--- lib/Target/AMDGPU/R600ISelLowering.cpp
+++ lib/Target/AMDGPU/R600ISelLowering.cpp
@@ -221,6 +221,11 @@
     setOperationAction(ISD::SUBE, VT, Expand);
   }
 
+  // LLVM will expand these to atomic_cmp_swap(0)
+  // and atomic_swap, respectively.
+  setOperationAction(ISD::ATOMIC_LOAD, MVT::i32, Expand);
+  setOperationAction(ISD::ATOMIC_STORE, MVT::i32, Expand);
+
   setSchedulingPreference(Sched::Source);
 
   setTargetDAGCombine(ISD::FP_ROUND);
Index: test/CodeGen/AMDGPU/r600.global_atomics.ll
===================================================================
--- /dev/null
+++ test/CodeGen/AMDGPU/r600.global_atomics.ll
@@ -0,0 +1,542 @@
+; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+; RUN: llc -march=r600 -mcpu=cayman -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
+
+; TODO: Add _RTN versions and merge with the GCN test
+
+; FUNC-LABEL: {{^}}atomic_add_i32_offset:
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_add_i32_soffset:
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32_soffset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 9000
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_add_i32_huge_offset:
+; FIXME: looks like the offset is wrong
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32_huge_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 47224239175595
+
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_add_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_add_i32:
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile add i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_add_i32_addr64:
+; EG: MEM_RAT ATOMIC_ADD [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_add_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile add i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_and_i32_offset:
+; EG: MEM_RAT ATOMIC_AND [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_and_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile and i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_and_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_AND [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_and_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile and i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_and_i32:
+; EG: MEM_RAT ATOMIC_AND [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_and_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile and i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_and_i32_addr64:
+; EG: MEM_RAT ATOMIC_AND [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_and_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile and i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_sub_i32_offset:
+; EG: MEM_RAT ATOMIC_SUB [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_sub_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_sub_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_SUB [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_sub_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_sub_i32:
+; EG: MEM_RAT ATOMIC_SUB [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_sub_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile sub i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_sub_i32_addr64:
+; EG: MEM_RAT ATOMIC_SUB [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_sub_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile sub i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_max_i32_offset:
+; EG: MEM_RAT ATOMIC_MAX_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_max_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile max i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_max_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_MAX_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_max_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile max i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_max_i32:
+; EG: MEM_RAT ATOMIC_MAX_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_max_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile max i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_max_i32_addr64:
+; EG: MEM_RAT ATOMIC_MAX_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_max_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile max i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umax_i32_offset:
+; EG: MEM_RAT ATOMIC_MAX_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umax_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile umax i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umax_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_MAX_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umax_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile umax i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umax_i32:
+; EG: MEM_RAT ATOMIC_MAX_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umax_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile umax i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umax_i32_addr64:
+; EG: MEM_RAT ATOMIC_MAX_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umax_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile umax i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_min_i32_offset:
+; EG: MEM_RAT ATOMIC_MIN_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_min_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile min i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_min_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_MIN_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_min_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile min i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_min_i32:
+; EG: MEM_RAT ATOMIC_MIN_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_min_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile min i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_min_i32_addr64:
+; EG: MEM_RAT ATOMIC_MIN_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_min_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile min i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umin_i32_offset:
+; EG: MEM_RAT ATOMIC_MIN_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umin_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile umin i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umin_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_MIN_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umin_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile umin i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umin_i32:
+; EG: MEM_RAT ATOMIC_MIN_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umin_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile umin i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_umin_i32_addr64:
+; EG: MEM_RAT ATOMIC_MIN_UINT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_umin_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile umin i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_or_i32_offset:
+; EG: MEM_RAT ATOMIC_OR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_or_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile or i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_or_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_OR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_or_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile or i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_or_i32:
+; EG: MEM_RAT ATOMIC_OR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_or_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile or i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_or_i32_addr64:
+; EG: MEM_RAT ATOMIC_OR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_or_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile or i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xchg_i32_offset:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xchg_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile xchg i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xchg_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xchg_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile xchg i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xchg_i32:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xchg_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile xchg i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xchg_i32_addr64:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xchg_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile xchg i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_cmpxchg_i32_offset:
+; EG: MEM_RAT ATOMIC_CMPXCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_cmpxchg_i32_offset(i32 addrspace(1)* %out, i32 %in, i32 %old) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = cmpxchg volatile i32 addrspace(1)* %gep, i32 %old, i32 %in seq_cst seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_cmpxchg_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_CMPXCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_cmpxchg_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index, i32 %old) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = cmpxchg volatile i32 addrspace(1)* %gep, i32 %old, i32 %in seq_cst seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_cmpxchg_i32:
+; EG: MEM_RAT ATOMIC_CMPXCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_cmpxchg_i32(i32 addrspace(1)* %out, i32 %in, i32 %old) {
+entry:
+  %val = cmpxchg volatile i32 addrspace(1)* %out, i32 %old, i32 %in seq_cst seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_cmpxchg_i32_addr64:
+; EG: MEM_RAT ATOMIC_CMPXCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_cmpxchg_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index, i32 %old) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = cmpxchg volatile i32 addrspace(1)* %ptr, i32 %old, i32 %in seq_cst seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xor_i32_offset:
+; EG: MEM_RAT ATOMIC_XOR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xor_i32_offset(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile xor i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xor_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_XOR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xor_i32_addr64_offset(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  %val = atomicrmw volatile xor i32 addrspace(1)* %gep, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xor_i32:
+; EG: MEM_RAT ATOMIC_XOR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xor_i32(i32 addrspace(1)* %out, i32 %in) {
+entry:
+  %val = atomicrmw volatile xor i32 addrspace(1)* %out, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_xor_i32_addr64:
+; EG: MEM_RAT ATOMIC_XOR [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Z
+define void @atomic_xor_i32_addr64(i32 addrspace(1)* %out, i32 %in, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %val = atomicrmw volatile xor i32 addrspace(1)* %ptr, i32 %in seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_store_i32_offset:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Y
+define void @atomic_store_i32_offset(i32 %in, i32 addrspace(1)* %out) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  store atomic i32 %in, i32 addrspace(1)* %gep  seq_cst, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_store_i32:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Y
+define void @atomic_store_i32(i32 %in, i32 addrspace(1)* %out) {
+entry:
+  store atomic i32 %in, i32 addrspace(1)* %out seq_cst, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_store_i32_addr64_offset:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Y
+define void @atomic_store_i32_addr64_offset(i32 %in, i32 addrspace(1)* %out, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  %gep = getelementptr i32, i32 addrspace(1)* %ptr, i64 4
+  store atomic i32 %in, i32 addrspace(1)* %gep seq_cst, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_store_i32_addr64:
+; EG: MEM_RAT ATOMIC_XCHG_INT [[REG:T[0-9]+]]
+; EG: MOV{{[ *]*}}[[REG]].X, KC0[2].Y
+define void @atomic_store_i32_addr64(i32 %in, i32 addrspace(1)* %out, i64 %index) {
+entry:
+  %ptr = getelementptr i32, i32 addrspace(1)* %out, i64 %index
+  store atomic i32 %in, i32 addrspace(1)* %ptr seq_cst, align 4
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_inc_add
+; EG: MEM_RAT ATOMIC_INC_UINT
+define void @atomic_inc_add(i32 addrspace(1)* %out) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 1 seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_dec_add
+; EG: MEM_RAT ATOMIC_DEC_UINT
+define void @atomic_dec_add(i32 addrspace(1)* %out) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile add i32 addrspace(1)* %gep, i32 -1 seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_inc_sub
+; EG: MEM_RAT ATOMIC_INC_UINT
+define void @atomic_inc_sub(i32 addrspace(1)* %out) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 -1 seq_cst
+  ret void
+}
+
+; FUNC-LABEL: {{^}}atomic_dec_sub
+; EG: MEM_RAT ATOMIC_DEC_UINT
+define void @atomic_dec_sub(i32 addrspace(1)* %out) {
+entry:
+  %gep = getelementptr i32, i32 addrspace(1)* %out, i64 4
+  %val = atomicrmw volatile sub i32 addrspace(1)* %gep, i32 1 seq_cst
+  ret void
+}