llvm/test/CodeGen/AMDGPU/direct-indirect-call.ll

   1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
   2 ; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -passes=amdgpu-attributor < %s | FileCheck %s
   3
   4 define internal void @indirect() {
   5 ; CHECK-LABEL: define {{[^@]+}}@indirect
   6 ; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
   7 ; CHECK-NEXT:    ret void
   8 ;
   9   ret void
  10 }
  11
  12 define internal void @direct() {
  13 ; CHECK-LABEL: define {{[^@]+}}@direct
  14 ; CHECK-SAME: () #[[ATTR1:[0-9]+]] {
  15 ; CHECK-NEXT:    [[FPTR:%.*]] = alloca ptr, align 8, addrspace(5)
  16 ; CHECK-NEXT:    store ptr @indirect, ptr addrspace(5) [[FPTR]], align 8
  17 ; CHECK-NEXT:    [[FP:%.*]] = load ptr, ptr addrspace(5) [[FPTR]], align 8
  18 ; CHECK-NEXT:    call void [[FP]]()
  19 ; CHECK-NEXT:    ret void
  20 ;
  21   %fptr = alloca ptr, addrspace(5)
  22   store ptr @indirect, ptr addrspace(5) %fptr
  23   %fp = load ptr, ptr addrspace(5) %fptr
  24   call void %fp()
  25   ret void
  26 }
  27
  28 define amdgpu_kernel void @test_direct_indirect_call() {
  29 ; CHECK-LABEL: define {{[^@]+}}@test_direct_indirect_call
  30 ; CHECK-SAME: () #[[ATTR1]] {
  31 ; CHECK-NEXT:    call void @direct()
  32 ; CHECK-NEXT:    ret void
  33 ;
  34   call void @direct()
  35   ret void
  36 }
  37 ;.
  38 ; CHECK: attributes #[[ATTR0]] = { "amdgpu-no-agpr" "amdgpu-no-completion-action" "amdgpu-no-default-queue" "amdgpu-no-dispatch-id" "amdgpu-no-dispatch-ptr" "amdgpu-no-heap-ptr" "amdgpu-no-hostcall-ptr" "amdgpu-no-implicitarg-ptr" "amdgpu-no-lds-kernel-id" "amdgpu-no-multigrid-sync-arg" "amdgpu-no-queue-ptr" "amdgpu-no-workgroup-id-x" "amdgpu-no-workgroup-id-y" "amdgpu-no-workgroup-id-z" "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
  39 ; CHECK: attributes #[[ATTR1]] = { "amdgpu-waves-per-eu"="4,10" "uniform-work-group-size"="false" }
  40 ;.