llvm/test/CodeGen/NVPTX/atomics.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc < %s -mtriple=nvptx64 -mcpu=sm_32 | FileCheck %s
; RUN: %if ptxas %{ llc < %s -mtriple=nvptx64 -mcpu=sm_32 | %ptxas-verify %}

declare float @llvm.nvvm.atomic.load.add.f32.p0(ptr %addr, float %val)

; CHECK-LABEL: atomic_add_f32_generic
define float @atomic_add_f32_generic(ptr %addr, float %val) {
; CHECK-LABEL: atomic_add_f32_generic(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<3>;
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b64 %rd1, [atomic_add_f32_generic_param_0];
; CHECK-NEXT:    ld.param.b32 %r1, [atomic_add_f32_generic_param_1];
; CHECK-NEXT:    atom.add.f32 %r2, [%rd1], %r1;
; CHECK-NEXT:    st.param.b32 [func_retval0], %r2;
; CHECK-NEXT:    ret;
  %ret = call float @llvm.nvvm.atomic.load.add.f32.p0(ptr %addr, float %val)
  ret float %ret
}

declare float @llvm.nvvm.atomic.load.add.f32.p1(ptr addrspace(1) %addr, float %val)

; CHECK-LABEL: atomic_add_f32_addrspace1
define float @atomic_add_f32_addrspace1(ptr addrspace(1) %addr, float %val) {
; CHECK-LABEL: atomic_add_f32_addrspace1(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<3>;
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b64 %rd1, [atomic_add_f32_addrspace1_param_0];
; CHECK-NEXT:    ld.param.b32 %r1, [atomic_add_f32_addrspace1_param_1];
; CHECK-NEXT:    atom.global.add.f32 %r2, [%rd1], %r1;
; CHECK-NEXT:    st.param.b32 [func_retval0], %r2;
; CHECK-NEXT:    ret;
  %ret = call float @llvm.nvvm.atomic.load.add.f32.p1(ptr addrspace(1) %addr, float %val)
  ret float %ret
}

declare float @llvm.nvvm.atomic.load.add.f32.p3(ptr addrspace(3) %addr, float %val)

; CHECK-LABEL: atomic_add_f32_addrspace3
define float @atomic_add_f32_addrspace3(ptr addrspace(3) %addr, float %val) {
; CHECK-LABEL: atomic_add_f32_addrspace3(
; CHECK:       {
; CHECK-NEXT:    .reg .b32 %r<3>;
; CHECK-NEXT:    .reg .b64 %rd<2>;
; CHECK-EMPTY:
; CHECK-NEXT:  // %bb.0:
; CHECK-NEXT:    ld.param.b64 %rd1, [atomic_add_f32_addrspace3_param_0];
; CHECK-NEXT:    ld.param.b32 %r1, [atomic_add_f32_addrspace3_param_1];
; CHECK-NEXT:    atom.shared.add.f32 %r2, [%rd1], %r1;
; CHECK-NEXT:    st.param.b32 [func_retval0], %r2;
; CHECK-NEXT:    ret;
  %ret = call float @llvm.nvvm.atomic.load.add.f32.p3(ptr addrspace(3) %addr, float %val)
  ret float %ret
}