ret void
}
+; FUNC-LABEL: {{^}}v_ctlz_zero_undef_i8:
+; SI: buffer_load_ubyte [[VAL:v[0-9]+]],
+; SI: v_ffbh_u32_e32 [[FFBH:v[0-9]+]], [[VAL]]
+; SI: v_add_i32_e32 [[RESULT:v[0-9]+]], vcc, 0xffffffe8, [[FFBH]]
+; SI: buffer_store_byte [[RESULT]],
+define void @v_ctlz_zero_undef_i8(i8 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %valptr) nounwind {
+ %val = load i8, i8 addrspace(1)* %valptr
+ %ctlz = call i8 @llvm.ctlz.i8(i8 %val, i1 true) nounwind readnone
+ store i8 %ctlz, i8 addrspace(1)* %out
+ ret void
+}
+
; FUNC-LABEL: {{^}}s_ctlz_zero_undef_i64:
; SI: s_load_dwordx2 s{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, {{0xb|0x2c}}
; SI-DAG: v_cmp_eq_i32_e64 vcc, 0, s[[HI]]
ret void
}
+; FUNC-LABEL: {{^}}v_ctlz_zero_undef_i8_sel_eq_neg1:
+; SI: buffer_load_ubyte [[VAL:v[0-9]+]],
+; SI: v_ffbh_u32_e32 [[FFBH:v[0-9]+]], [[VAL]]
+; SI: buffer_store_byte [[FFBH]],
+ define void @v_ctlz_zero_undef_i8_sel_eq_neg1(i8 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %valptr) nounwind {
+ %val = load i8, i8 addrspace(1)* %valptr
+ %ctlz = call i8 @llvm.ctlz.i8(i8 %val, i1 true) nounwind readnone
+ %cmp = icmp eq i8 %val, 0
+ %sel = select i1 %cmp, i8 -1, i8 %ctlz
+ store i8 %sel, i8 addrspace(1)* %out
+ ret void
+}
+
; FUNC-LABEL: {{^}}v_ctlz_zero_undef_i32_sel_eq_neg1_two_use:
; SI: buffer_load_dword [[VAL:v[0-9]+]],
; SI-DAG: v_ffbh_u32_e32 [[RESULT0:v[0-9]+]], [[VAL]]
store i32 %sel, i32 addrspace(1)* %out
ret void
}
-
-; FUNC-LABEL: {{^}}v_ctlz_zero_undef_i8:
-; SI: buffer_load_dword [[VAL:v[0-9]+]],
-; SI: v_ffbh_u32_e32 [[FFBH:v[0-9]+]], [[VAL]]
-; SI: v_add_i32_e32 [[RESULT:v[0-9]+]], vcc, 0xffffffe8, [[FFBH]]
-; SI: buffer_store_dword [[RESULT]],
-define void @v_ctlz_zero_undef_i8(i8 addrspace(1)* noalias %out, i8 addrspace(1)* noalias %valptr) nounwind {
- %val = load i8, i8 addrspace(1)* %valptr
- %ctlz = call i8 @llvm.ctlz.i8(i8 %val, i1 true) nounwind readnone
- store i8 %ctlz, i8 addrspace(1)* %out
- ret void
-}