1 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx700 -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,CI,CIGFX9 %s
2 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx802 -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,GFX9,CIGFX9 %s
3 ; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefixes=CHECK,GFX10 %s
5 declare i32 @llvm.amdgcn.writelane(i32, i32, i32) #0
7 ; CHECK-LABEL: {{^}}test_writelane_sreg:
8 ; CIGFX9: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, m0
9 ; GFX10: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, s{{[0-9]+}}
10 define amdgpu_kernel void @test_writelane_sreg(i32 addrspace(1)* %out, i32 %src0, i32 %src1) #1 {
11 %oldval = load i32, i32 addrspace(1)* %out
12 %writelane = call i32 @llvm.amdgcn.writelane(i32 %src0, i32 %src1, i32 %oldval)
13 store i32 %writelane, i32 addrspace(1)* %out, align 4
17 ; CHECK-LABEL: {{^}}test_writelane_imm_sreg:
18 ; CHECK: v_writelane_b32 v{{[0-9]+}}, 32, s{{[0-9]+}}
19 define amdgpu_kernel void @test_writelane_imm_sreg(i32 addrspace(1)* %out, i32 %src1) #1 {
20 %oldval = load i32, i32 addrspace(1)* %out
21 %writelane = call i32 @llvm.amdgcn.writelane(i32 32, i32 %src1, i32 %oldval)
22 store i32 %writelane, i32 addrspace(1)* %out, align 4
26 ; CHECK-LABEL: {{^}}test_writelane_vreg_lane:
27 ; CHECK: v_readfirstlane_b32 [[LANE:s[0-9]+]], v{{[0-9]+}}
28 ; CHECK: v_writelane_b32 v{{[0-9]+}}, 12, [[LANE]]
29 define amdgpu_kernel void @test_writelane_vreg_lane(i32 addrspace(1)* %out, <2 x i32> addrspace(1)* %in) #1 {
30 %tid = call i32 @llvm.amdgcn.workitem.id.x()
31 %gep.in = getelementptr <2 x i32>, <2 x i32> addrspace(1)* %in, i32 %tid
32 %args = load <2 x i32>, <2 x i32> addrspace(1)* %gep.in
33 %oldval = load i32, i32 addrspace(1)* %out
34 %lane = extractelement <2 x i32> %args, i32 1
35 %writelane = call i32 @llvm.amdgcn.writelane(i32 12, i32 %lane, i32 %oldval)
36 store i32 %writelane, i32 addrspace(1)* %out, align 4
40 ; CHECK-LABEL: {{^}}test_writelane_m0_sreg:
41 ; CHECK: s_mov_b32 m0, -1
42 ; CIGFX9: s_mov_b32 [[COPY_M0:s[0-9]+]], m0
43 ; CIGFX9: v_writelane_b32 v{{[0-9]+}}, [[COPY_M0]], m0
44 ; GFX10: v_writelane_b32 v{{[0-9]+}}, m0, s{{[0-9]+}}
45 define amdgpu_kernel void @test_writelane_m0_sreg(i32 addrspace(1)* %out, i32 %src1) #1 {
46 %oldval = load i32, i32 addrspace(1)* %out
47 %m0 = call i32 asm "s_mov_b32 m0, -1", "={m0}"()
48 %writelane = call i32 @llvm.amdgcn.writelane(i32 %m0, i32 %src1, i32 %oldval)
49 store i32 %writelane, i32 addrspace(1)* %out, align 4
53 ; CHECK-LABEL: {{^}}test_writelane_imm:
54 ; CHECK: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 32
55 define amdgpu_kernel void @test_writelane_imm(i32 addrspace(1)* %out, i32 %src0) #1 {
56 %oldval = load i32, i32 addrspace(1)* %out
57 %writelane = call i32 @llvm.amdgcn.writelane(i32 %src0, i32 32, i32 %oldval) #0
58 store i32 %writelane, i32 addrspace(1)* %out, align 4
62 ; CHECK-LABEL: {{^}}test_writelane_sreg_oldval:
63 ; CHECK: v_mov_b32_e32 [[OLDVAL:v[0-9]+]], s{{[0-9]+}}
64 ; CIGFX9: v_writelane_b32 [[OLDVAL]], s{{[0-9]+}}, m0
65 ; GFX10: v_writelane_b32 [[OLDVAL]], s{{[0-9]+}}, s{{[0-9]+}}
66 define amdgpu_kernel void @test_writelane_sreg_oldval(i32 inreg %oldval, i32 addrspace(1)* %out, i32 %src0, i32 %src1) #1 {
67 %writelane = call i32 @llvm.amdgcn.writelane(i32 %src0, i32 %src1, i32 %oldval)
68 store i32 %writelane, i32 addrspace(1)* %out, align 4
72 ; CHECK-LABEL: {{^}}test_writelane_imm_oldval:
73 ; CHECK: v_mov_b32_e32 [[OLDVAL:v[0-9]+]], 42
74 ; CIGFX9: v_writelane_b32 [[OLDVAL]], s{{[0-9]+}}, m0
75 ; GFX10: v_writelane_b32 [[OLDVAL]], s{{[0-9]+}}, s{{[0-9]+}}
76 define amdgpu_kernel void @test_writelane_imm_oldval(i32 addrspace(1)* %out, i32 %src0, i32 %src1) #1 {
77 %writelane = call i32 @llvm.amdgcn.writelane(i32 %src0, i32 %src1, i32 42)
78 store i32 %writelane, i32 addrspace(1)* %out, align 4
82 declare i32 @llvm.amdgcn.workitem.id.x() #2
84 attributes #0 = { nounwind readnone convergent }
85 attributes #1 = { nounwind }
86 attributes #2 = { nounwind readnone }