Index: llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -4205,7 +4205,6 @@
   case Intrinsic::amdgcn_raw_buffer_atomic_cmpswap:
   case Intrinsic::amdgcn_struct_buffer_atomic_cmpswap:
     return AMDGPU::G_AMDGPU_BUFFER_ATOMIC_CMPSWAP;
-  case Intrinsic::amdgcn_buffer_atomic_fadd:
   case Intrinsic::amdgcn_raw_buffer_atomic_fadd:
   case Intrinsic::amdgcn_struct_buffer_atomic_fadd:
     return AMDGPU::G_AMDGPU_BUFFER_ATOMIC_FADD;
@@ -5249,7 +5248,6 @@
   case Intrinsic::amdgcn_struct_buffer_atomic_fadd:
   case Intrinsic::amdgcn_raw_buffer_atomic_cmpswap:
   case Intrinsic::amdgcn_struct_buffer_atomic_cmpswap:
-  case Intrinsic::amdgcn_buffer_atomic_fadd:
   case Intrinsic::amdgcn_raw_buffer_atomic_fmin:
   case Intrinsic::amdgcn_struct_buffer_atomic_fmin:
   case Intrinsic::amdgcn_raw_buffer_atomic_fmax:
Index: llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
+++ llvm/test/CodeGen/AMDGPU/GlobalISel/fp64-atomics-gfx90a.ll
@@ -1,7 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -global-isel -march=amdgcn -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck %s -check-prefix=GFX90A
 
-declare double @llvm.amdgcn.buffer.atomic.fadd.f64(double, <4 x i32>, i32, i32, i1)
 declare double @llvm.amdgcn.struct.buffer.atomic.fadd.f64(double, <4 x i32>, i32, i32, i32, i32 immarg)
 declare double @llvm.amdgcn.raw.buffer.atomic.fadd.f64(double, <4 x i32>, i32, i32, i32 immarg)
 declare double @llvm.amdgcn.struct.buffer.atomic.fmin.f64(double, <4 x i32>, i32, i32, i32, i32 immarg)
@@ -16,56 +15,6 @@
 declare double @llvm.amdgcn.flat.atomic.fmax.f64.p0f64.f64(double* %ptr, double %data)
 declare double @llvm.amdgcn.ds.fadd.f64(double addrspace(3)* nocapture, double, i32, i32, i1)
 
-define amdgpu_kernel void @buffer_atomic_add_noret_f64(<4 x i32> inreg %rsrc, double %data, i32 %vindex) {
-; GFX90A-LABEL: buffer_atomic_add_noret_f64:
-; GFX90A:       ; %bb.0: ; %main_body
-; GFX90A-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
-; GFX90A-NEXT:    s_load_dword s8, s[0:1], 0x3c
-; GFX90A-NEXT:    s_load_dwordx4 s[4:7], s[0:1], 0x24
-; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
-; GFX90A-NEXT:    v_mov_b32_e32 v2, s8
-; GFX90A-NEXT:    buffer_atomic_add_f64 v[0:1], v2, s[4:7], 0 offen glc
-; GFX90A-NEXT:    s_endpgm
-main_body:
-  %ret = call double @llvm.amdgcn.buffer.atomic.fadd.f64(double %data, <4 x i32> %rsrc, i32 %vindex, i32 0, i1 0)
-  ret void
-}
-
-define amdgpu_ps void @buffer_atomic_add_rtn_f64(<4 x i32> inreg %rsrc, double %data, i32 %vindex) {
-; GFX90A-LABEL: buffer_atomic_add_rtn_f64:
-; GFX90A:       ; %bb.0: ; %main_body
-; GFX90A-NEXT:    buffer_atomic_add_f64 v[0:1], v2, s[0:3], 0 offen glc
-; GFX90A-NEXT:    s_waitcnt vmcnt(0)
-; GFX90A-NEXT:    flat_store_dwordx2 v[0:1], v[0:1]
-; GFX90A-NEXT:    s_endpgm
-main_body:
-  %ret = call double @llvm.amdgcn.buffer.atomic.fadd.f64(double %data, <4 x i32> %rsrc, i32 %vindex, i32 0, i1 0)
-  store double %ret, double* undef
-  ret void
-}
-
-define amdgpu_kernel void @buffer_atomic_add_rtn_f64_off4_slc(<4 x i32> inreg %rsrc, double %data, i32 %vindex, double addrspace(1)* %out) {
-; GFX90A-LABEL: buffer_atomic_add_rtn_f64_off4_slc:
-; GFX90A:       ; %bb.0: ; %main_body
-; GFX90A-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
-; GFX90A-NEXT:    s_load_dword s10, s[0:1], 0x3c
-; GFX90A-NEXT:    s_load_dwordx4 s[4:7], s[0:1], 0x24
-; GFX90A-NEXT:    s_load_dwordx2 s[8:9], s[0:1], 0x44
-; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
-; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
-; GFX90A-NEXT:    v_mov_b32_e32 v2, s10
-; GFX90A-NEXT:    buffer_atomic_add_f64 v[0:1], v2, s[4:7], 4 offen glc slc scc /* unexpected cache policy bit */
-; GFX90A-NEXT:    v_mov_b32_e32 v2, 0
-; GFX90A-NEXT:    s_waitcnt vmcnt(0)
-; GFX90A-NEXT:    global_store_dwordx2 v2, v[0:1], s[8:9]
-; GFX90A-NEXT:    s_endpgm
-main_body:
-  %ret = call double @llvm.amdgcn.buffer.atomic.fadd.f64(double %data, <4 x i32> %rsrc, i32 %vindex, i32 4, i1 1)
-  store double %ret, double addrspace(1)* %out, align 8
-  ret void
-}
-
 define amdgpu_kernel void @raw_buffer_atomic_add_noret_f64(<4 x i32> inreg %rsrc, double %data, i32 %vindex) {
 ; GFX90A-LABEL: raw_buffer_atomic_add_noret_f64:
 ; GFX90A:       ; %bb.0: ; %main_body
@@ -418,7 +367,7 @@
 ; GFX90A-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x0
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], s[4:5], s[4:5] op_sel:[0,1]
-; GFX90A-NEXT:  .LBB24_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB21_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
 ; GFX90A-NEXT:    buffer_wbl2
@@ -431,7 +380,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB24_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB21_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -466,7 +415,7 @@
 ; GFX90A-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x0
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], s[4:5], s[4:5] op_sel:[0,1]
-; GFX90A-NEXT:  .LBB26_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB23_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
 ; GFX90A-NEXT:    buffer_wbl2
@@ -479,7 +428,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB26_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB23_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -522,7 +471,7 @@
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    global_load_dwordx2 v[2:3], v[0:1], off
 ; GFX90A-NEXT:    s_mov_b64 s[4:5], 0
-; GFX90A-NEXT:  .LBB29_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB26_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[4:5], v[2:3], v[2:3] op_sel:[0,1]
@@ -536,7 +485,7 @@
 ; GFX90A-NEXT:    v_cmp_eq_u64_e32 vcc, v[2:3], v[4:5]
 ; GFX90A-NEXT:    s_or_b64 s[4:5], vcc, s[4:5]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[4:5]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB29_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB26_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX90A-NEXT:    v_mov_b32_e32 v0, v2
@@ -569,7 +518,7 @@
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    global_load_dwordx2 v[2:3], v[0:1], off
 ; GFX90A-NEXT:    s_mov_b64 s[4:5], 0
-; GFX90A-NEXT:  .LBB31_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB28_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[4:5], v[2:3], v[2:3] op_sel:[0,1]
@@ -583,7 +532,7 @@
 ; GFX90A-NEXT:    v_cmp_eq_u64_e32 vcc, v[2:3], v[4:5]
 ; GFX90A-NEXT:    s_or_b64 s[4:5], vcc, s[4:5]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[4:5]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB31_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB28_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX90A-NEXT:    v_mov_b32_e32 v0, v2
@@ -628,7 +577,7 @@
 ; GFX90A-NEXT:    s_load_dwordx2 s[4:5], s[0:1], 0x0
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], s[4:5], s[4:5] op_sel:[0,1]
-; GFX90A-NEXT:  .LBB34_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB31_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
@@ -639,7 +588,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB34_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB31_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -655,7 +604,7 @@
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], s[0:1], s[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    flat_load_dwordx2 v[2:3], v[0:1]
-; GFX90A-NEXT:  .LBB35_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB32_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
@@ -670,7 +619,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB35_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB32_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -704,7 +653,7 @@
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], s[0:1], s[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    flat_load_dwordx2 v[2:3], v[0:1]
-; GFX90A-NEXT:  .LBB37_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB34_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
@@ -720,7 +669,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB37_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB34_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -734,7 +683,7 @@
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    flat_load_dwordx2 v[2:3], v[0:1]
 ; GFX90A-NEXT:    s_mov_b64 s[4:5], 0
-; GFX90A-NEXT:  .LBB38_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB35_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[4:5], v[2:3], v[2:3] op_sel:[0,1]
@@ -748,7 +697,7 @@
 ; GFX90A-NEXT:    v_cmp_eq_u64_e32 vcc, v[2:3], v[4:5]
 ; GFX90A-NEXT:    s_or_b64 s[4:5], vcc, s[4:5]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[4:5]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB38_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB35_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX90A-NEXT:    v_mov_b32_e32 v0, v2
@@ -781,7 +730,7 @@
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    flat_load_dwordx2 v[2:3], v[0:1]
 ; GFX90A-NEXT:    s_mov_b64 s[4:5], 0
-; GFX90A-NEXT:  .LBB40_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB37_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[4:5], v[2:3], v[2:3] op_sel:[0,1]
@@ -796,7 +745,7 @@
 ; GFX90A-NEXT:    v_cmp_eq_u64_e32 vcc, v[2:3], v[4:5]
 ; GFX90A-NEXT:    s_or_b64 s[4:5], vcc, s[4:5]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[4:5]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB40_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB37_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_or_b64 exec, exec, s[4:5]
 ; GFX90A-NEXT:    v_mov_b32_e32 v0, v2
@@ -841,7 +790,7 @@
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], s[0:1], s[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    flat_load_dwordx2 v[2:3], v[0:1]
-; GFX90A-NEXT:  .LBB43_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB40_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
 ; GFX90A-NEXT:    v_add_f64 v[0:1], v[2:3], 4.0
@@ -854,7 +803,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[2:3], vcc, s[2:3]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[2:3], v[0:1], v[0:1] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[2:3]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB43_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB40_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body:
@@ -985,7 +934,7 @@
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_mov_b32_e32 v0, s2
 ; GFX90A-NEXT:    ds_read_b64 v[0:1], v0
-; GFX90A-NEXT:  .LBB52_1: ; %atomicrmw.start
+; GFX90A-NEXT:  .LBB49_1: ; %atomicrmw.start
 ; GFX90A-NEXT:    ; =>This Inner Loop Header: Depth=1
 ; GFX90A-NEXT:    s_waitcnt lgkmcnt(0)
 ; GFX90A-NEXT:    v_add_f64 v[2:3], v[0:1], 4.0
@@ -997,7 +946,7 @@
 ; GFX90A-NEXT:    s_or_b64 s[0:1], vcc, s[0:1]
 ; GFX90A-NEXT:    v_pk_mov_b32 v[0:1], v[2:3], v[2:3] op_sel:[0,1]
 ; GFX90A-NEXT:    s_andn2_b64 exec, exec, s[0:1]
-; GFX90A-NEXT:    s_cbranch_execnz .LBB52_1
+; GFX90A-NEXT:    s_cbranch_execnz .LBB49_1
 ; GFX90A-NEXT:  ; %bb.2: ; %atomicrmw.end
 ; GFX90A-NEXT:    s_endpgm
 main_body: