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      1 ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs< %s | FileCheck -check-prefix=SI %s
      2 ; RUN: llc -march=r600 -mcpu=cypress < %s | FileCheck -check-prefix=EG %s
      3 
      4 declare i32 @llvm.r600.read.tidig.x() nounwind readnone
      5 
      6 define void @trunc_i64_to_i32_store(i32 addrspace(1)* %out, i64 %in) {
      7 ; SI-LABEL: {{^}}trunc_i64_to_i32_store:
      8 ; SI: s_load_dword [[SLOAD:s[0-9]+]], s[0:1], 0xb
      9 ; SI: v_mov_b32_e32 [[VLOAD:v[0-9]+]], [[SLOAD]]
     10 ; SI: buffer_store_dword [[VLOAD]]
     11 
     12 ; EG-LABEL: {{^}}trunc_i64_to_i32_store:
     13 ; EG: MEM_RAT_CACHELESS STORE_RAW T0.X, T1.X, 1
     14 ; EG: LSHR
     15 ; EG-NEXT: 2(
     16 
     17   %result = trunc i64 %in to i32 store i32 %result, i32 addrspace(1)* %out, align 4
     18   ret void
     19 }
     20 
     21 ; SI-LABEL: {{^}}trunc_load_shl_i64:
     22 ; SI-DAG: s_load_dwordx2
     23 ; SI-DAG: s_load_dword [[SREG:s[0-9]+]],
     24 ; SI: s_lshl_b32 [[SHL:s[0-9]+]], [[SREG]], 2
     25 ; SI: v_mov_b32_e32 [[VSHL:v[0-9]+]], [[SHL]]
     26 ; SI: buffer_store_dword [[VSHL]],
     27 define void @trunc_load_shl_i64(i32 addrspace(1)* %out, i64 %a) {
     28   %b = shl i64 %a, 2
     29   %result = trunc i64 %b to i32
     30   store i32 %result, i32 addrspace(1)* %out, align 4
     31   ret void
     32 }
     33 
     34 ; SI-LABEL: {{^}}trunc_shl_i64:
     35 ; SI: s_load_dwordx2 s{{\[}}[[LO_SREG:[0-9]+]]:{{[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
     36 ; SI: s_lshl_b64 s{{\[}}[[LO_SHL:[0-9]+]]:{{[0-9]+\]}}, s{{\[}}[[LO_SREG]]:{{[0-9]+\]}}, 2
     37 ; SI: s_add_u32 s[[LO_SREG2:[0-9]+]], s[[LO_SHL]],
     38 ; SI: s_addc_u32
     39 ; SI: v_mov_b32_e32
     40 ; SI: v_mov_b32_e32
     41 ; SI: v_mov_b32_e32 v[[LO_VREG:[0-9]+]], s[[LO_SREG2]]
     42 ; SI: buffer_store_dword v[[LO_VREG]],
     43 define void @trunc_shl_i64(i64 addrspace(1)* %out2, i32 addrspace(1)* %out, i64 %a) {
     44   %aa = add i64 %a, 234 ; Prevent shrinking store.
     45   %b = shl i64 %aa, 2
     46   %result = trunc i64 %b to i32
     47   store i32 %result, i32 addrspace(1)* %out, align 4
     48   store i64 %b, i64 addrspace(1)* %out2, align 8 ; Prevent reducing ops to 32-bits
     49   ret void
     50 }
     51 
     52 ; SI-LABEL: {{^}}trunc_i32_to_i1:
     53 ; SI: v_and_b32_e32 v{{[0-9]+}}, 1, v{{[0-9]+}}
     54 ; SI: v_cmp_eq_i32
     55 define void @trunc_i32_to_i1(i32 addrspace(1)* %out, i32 addrspace(1)* %ptr) {
     56   %a = load i32, i32 addrspace(1)* %ptr, align 4
     57   %trunc = trunc i32 %a to i1
     58   %result = select i1 %trunc, i32 1, i32 0
     59   store i32 %result, i32 addrspace(1)* %out, align 4
     60   ret void
     61 }
     62 
     63 ; SI-LABEL: {{^}}sgpr_trunc_i32_to_i1:
     64 ; SI: s_and_b32 s{{[0-9]+}}, 1, s{{[0-9]+}}
     65 ; SI: v_cmp_eq_i32
     66 define void @sgpr_trunc_i32_to_i1(i32 addrspace(1)* %out, i32 %a) {
     67   %trunc = trunc i32 %a to i1
     68   %result = select i1 %trunc, i32 1, i32 0
     69   store i32 %result, i32 addrspace(1)* %out, align 4
     70   ret void
     71 }
     72 
     73 ; SI-LABEL: {{^}}s_trunc_i64_to_i1:
     74 ; SI: s_load_dwordx2 s{{\[}}[[SLO:[0-9]+]]:{{[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0xb
     75 ; SI: s_and_b32 [[MASKED:s[0-9]+]], 1, s[[SLO]]
     76 ; SI: v_cmp_eq_i32_e64 s{{\[}}[[VLO:[0-9]+]]:[[VHI:[0-9]+]]], 1, [[MASKED]]
     77 ; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, s{{\[}}[[VLO]]:[[VHI]]]
     78 define void @s_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 %x) {
     79   %trunc = trunc i64 %x to i1
     80   %sel = select i1 %trunc, i32 63, i32 -12
     81   store i32 %sel, i32 addrspace(1)* %out
     82   ret void
     83 }
     84 
     85 ; SI-LABEL: {{^}}v_trunc_i64_to_i1:
     86 ; SI: buffer_load_dwordx2 v{{\[}}[[VLO:[0-9]+]]:{{[0-9]+\]}}
     87 ; SI: v_and_b32_e32 [[MASKED:v[0-9]+]], 1, v[[VLO]]
     88 ; SI: v_cmp_eq_i32_e32 vcc, 1, [[MASKED]]
     89 ; SI: v_cndmask_b32_e64 {{v[0-9]+}}, -12, 63, vcc
     90 define void @v_trunc_i64_to_i1(i32 addrspace(1)* %out, i64 addrspace(1)* %in) {
     91   %tid = call i32 @llvm.r600.read.tidig.x() nounwind readnone
     92   %gep = getelementptr i64, i64 addrspace(1)* %in, i32 %tid
     93   %out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 %tid
     94   %x = load i64, i64 addrspace(1)* %gep
     95 
     96   %trunc = trunc i64 %x to i1
     97   %sel = select i1 %trunc, i32 63, i32 -12
     98   store i32 %sel, i32 addrspace(1)* %out.gep
     99   ret void
    100 }
    101