1 ; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
3 declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone
4 declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) nounwind readnone
5 declare <4 x i32> @llvm.ctlz.v4i32(<4 x i32>, i1) nounwind readnone
7 ; FUNC-LABEL: @s_ctlz_zero_undef_i32:
8 ; SI: S_LOAD_DWORD [[VAL:s[0-9]+]],
9 ; SI: S_FLBIT_I32_B32 [[SRESULT:s[0-9]+]], [[VAL]]
10 ; SI: V_MOV_B32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
11 ; SI: BUFFER_STORE_DWORD [[VRESULT]],
13 define void @s_ctlz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
14 %ctlz = call i32 @llvm.ctlz.i32(i32 %val, i1 true) nounwind readnone
15 store i32 %ctlz, i32 addrspace(1)* %out, align 4
19 ; FUNC-LABEL: @v_ctlz_zero_undef_i32:
20 ; SI: BUFFER_LOAD_DWORD [[VAL:v[0-9]+]],
21 ; SI: V_FFBH_U32_e32 [[RESULT:v[0-9]+]], [[VAL]]
22 ; SI: BUFFER_STORE_DWORD [[RESULT]],
24 define void @v_ctlz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind {
25 %val = load i32 addrspace(1)* %valptr, align 4
26 %ctlz = call i32 @llvm.ctlz.i32(i32 %val, i1 true) nounwind readnone
27 store i32 %ctlz, i32 addrspace(1)* %out, align 4
31 ; FUNC-LABEL: @v_ctlz_zero_undef_v2i32:
32 ; SI: BUFFER_LOAD_DWORDX2
35 ; SI: BUFFER_STORE_DWORDX2
37 define void @v_ctlz_zero_undef_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %valptr) nounwind {
38 %val = load <2 x i32> addrspace(1)* %valptr, align 8
39 %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %val, i1 true) nounwind readnone
40 store <2 x i32> %ctlz, <2 x i32> addrspace(1)* %out, align 8
44 ; FUNC-LABEL: @v_ctlz_zero_undef_v4i32:
45 ; SI: BUFFER_LOAD_DWORDX4
50 ; SI: BUFFER_STORE_DWORDX4
52 define void @v_ctlz_zero_undef_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %valptr) nounwind {
53 %val = load <4 x i32> addrspace(1)* %valptr, align 16
54 %ctlz = call <4 x i32> @llvm.ctlz.v4i32(<4 x i32> %val, i1 true) nounwind readnone
55 store <4 x i32> %ctlz, <4 x i32> addrspace(1)* %out, align 16