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; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdhsa -mcpu=bonaire -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdhsa -mcpu=bonaire -verify-machineinstrs < %s | FileCheck %s
declare i32 @llvm.read_register.i32(metadata) #0
declare i64 @llvm.read_register.i64(metadata) #0
; CHECK-LABEL: {{^}}test_read_m0:
; CHECK: s_mov_b32 m0, -1
; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], m0
; CHECK: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[COPY]]
define amdgpu_kernel void @test_read_m0(ptr addrspace(1) %out) #0 {
store volatile i32 0, ptr addrspace(3) undef
%m0 = call i32 @llvm.read_register.i32(metadata !0)
store i32 %m0, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_exec:
; CHECK: v_mov_b32_e32 v[[LO:[0-9]+]], exec_lo
; CHECK: v_mov_b32_e32 v[[HI:[0-9]+]], exec_hi
; CHECK: flat_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v[[[LO]]:[[HI]]]
define amdgpu_kernel void @test_read_exec(ptr addrspace(1) %out) #0 {
%exec = call i64 @llvm.read_register.i64(metadata !1)
store i64 %exec, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_flat_scratch:
; CHECK: v_mov_b32_e32 v[[LO:[0-9]+]], flat_scratch_lo
; CHECK: v_mov_b32_e32 v[[HI:[0-9]+]], flat_scratch_hi
; CHECK: flat_store_dwordx2 v{{\[[0-9]+:[0-9]+\]}}, v[[[LO]]:[[HI]]]
define amdgpu_kernel void @test_read_flat_scratch(ptr addrspace(1) %out) #0 {
%flat_scratch = call i64 @llvm.read_register.i64(metadata !2)
store i64 %flat_scratch, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_flat_scratch_lo:
; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], flat_scratch_lo
; CHECK: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[COPY]]
define amdgpu_kernel void @test_read_flat_scratch_lo(ptr addrspace(1) %out) #0 {
%flat_scratch_lo = call i32 @llvm.read_register.i32(metadata !3)
store i32 %flat_scratch_lo, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_flat_scratch_hi:
; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], flat_scratch_hi
; CHECK: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[COPY]]
define amdgpu_kernel void @test_read_flat_scratch_hi(ptr addrspace(1) %out) #0 {
%flat_scratch_hi = call i32 @llvm.read_register.i32(metadata !4)
store i32 %flat_scratch_hi, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_exec_lo:
; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], exec_lo
; CHECK: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[COPY]]
define amdgpu_kernel void @test_read_exec_lo(ptr addrspace(1) %out) #0 {
%exec_lo = call i32 @llvm.read_register.i32(metadata !5)
store i32 %exec_lo, ptr addrspace(1) %out
ret void
}
; CHECK-LABEL: {{^}}test_read_exec_hi:
; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], exec_hi
; CHECK: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, [[COPY]]
define amdgpu_kernel void @test_read_exec_hi(ptr addrspace(1) %out) #0 {
%exec_hi = call i32 @llvm.read_register.i32(metadata !6)
store i32 %exec_hi, ptr addrspace(1) %out
ret void
}
attributes #0 = { nounwind }
!0 = !{!"m0"}
!1 = !{!"exec"}
!2 = !{!"flat_scratch"}
!3 = !{!"flat_scratch_lo"}
!4 = !{!"flat_scratch_hi"}
!5 = !{!"exec_lo"}
!6 = !{!"exec_hi"}
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