llvm/test/CodeGen/AMDGPU/call-constexpr.ll

; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}test_bitcast_return_type_noinline:
; GCN: s_getpc_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, ret_i32_noinline@rel32@lo+4
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, ret_i32_noinline@rel32@hi+12
; GCN: s_swappc_b64
define amdgpu_kernel void @test_bitcast_return_type_noinline() #0 {
  %val = call float @ret_i32_noinline()
  %op = fadd float %val, 1.0
  store volatile float %op, ptr addrspace(1) undef
  ret void
}

; GCN-LABEL: {{^}}test_bitcast_return_type_alwaysinline:
; GCN: s_swappc_b64
define amdgpu_kernel void @test_bitcast_return_type_alwaysinline() #0 {
  %val = call float @ret_i32_alwaysinline()
  %op = fadd float %val, 1.0
  store volatile float %op, ptr addrspace(1) undef
  ret void
}

; GCN-LABEL: {{^}}test_bitcast_argument_type:
; GCN: s_getpc_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@lo+4
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@hi+12
; GCN: s_swappc_b64
define amdgpu_kernel void @test_bitcast_argument_type() #0 {
  %val = call i32 @ident_i32(float 2.0)
  %op = add i32 %val, 1
  store volatile i32 %op, ptr addrspace(1) undef
  ret void
}

; GCN-LABEL: {{^}}test_bitcast_argument_and_return_types:
; GCN: s_getpc_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@lo+4
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@hi+12
; GCN: s_swappc_b64
define amdgpu_kernel void @test_bitcast_argument_and_return_types() #0 {
  %val = call float @ident_i32(float 2.0)
  %op = fadd float %val, 1.0
  store volatile float %op, ptr addrspace(1) undef
  ret void
}

; GCN-LABEL: {{^}}use_workitem_id_x:
; GCN: s_waitcnt
; GCN-NEXT: v_and_b32_e32 [[TMP:v[0-9]+]], 0x3ff, v31
; GCN-NEXT: v_add_i32_e32 v0, vcc, [[TMP]], v0
; GCN-NEXT: s_setpc_b64
define hidden i32 @use_workitem_id_x(i32 %arg0) #3 {
  %id = call i32 @llvm.amdgcn.workitem.id.x()
  %op = add i32 %id, %arg0
  ret i32 %op
}

; GCN-LABEL: {{^}}test_bitcast_use_workitem_id_x:
; GCN: v_mov_b32_e32 v31, v0
; GCN: s_getpc_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, use_workitem_id_x@rel32@lo+4
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, use_workitem_id_x@rel32@hi+12
; GCN: v_mov_b32_e32 v0, 9
; GCN: s_swappc_b64
; GCN: v_add_f32_e32
define amdgpu_kernel void @test_bitcast_use_workitem_id_x() #3 {
  %val = call float @use_workitem_id_x(i32 9)
  %op = fadd float %val, 1.0
  store volatile float %op, ptr addrspace(1) undef
  ret void
}

; GCN-LABEL: {{^}}test_invoke:
; GCN: s_getpc_b64
; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@lo+4
; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, ident_i32@rel32@hi+12
; GCN: s_swappc_b64
@_ZTIi = external global ptr
declare i32 @__gxx_personality_v0(...)
define amdgpu_kernel void @test_invoke() #0 personality ptr @__gxx_personality_v0 {
  %val = invoke float @ident_i32(float 2.0)
          to label %continue unwind label %broken

broken:
  landingpad { ptr, i32 } catch ptr @_ZTIi
  ret void

continue:
  %op = fadd float %val, 1.0
  store volatile float %op, ptr addrspace(1) undef
  ret void
}

; Callees appears last in source file to test that we still lower their
; arguments before we lower any calls to them.

define hidden i32 @ret_i32_noinline() #0 {
  ret i32 4
}

define hidden i32 @ret_i32_alwaysinline() #1 {
  ret i32 4
}

define hidden i32 @ident_i32(i32 %i) #0 {
  ret i32 %i
}

declare i32 @llvm.amdgcn.workitem.id.x() #2

attributes #0 = { nounwind noinline }
attributes #1 = { alwaysinline nounwind }
attributes #2 = { nounwind readnone speculatable }
attributes #3 = { nounwind noinline "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" }