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      1 ; RUN: llc -march=hexagon -O0 < %s | FileCheck %s
      2 ; Hexagon Programmer's Reference Manual 11.1.2 ALU32/PERM
      3 
      4 ; Combine words into doubleword
      5 declare i64 @llvm.hexagon.A4.combineri(i32, i32)
      6 define i64 @A4_combineri(i32 %a) {
      7   %z = call i64 @llvm.hexagon.A4.combineri(i32 %a, i32 0)
      8   ret i64 %z
      9 }
     10 ; CHECK:  = combine(r0, #0)
     11 
     12 declare i64 @llvm.hexagon.A4.combineir(i32, i32)
     13 define i64 @A4_combineir(i32 %a) {
     14   %z = call i64 @llvm.hexagon.A4.combineir(i32 0, i32 %a)
     15   ret i64 %z
     16 }
     17 ; CHECK:  = combine(#0, r0)
     18 
     19 declare i64 @llvm.hexagon.A2.combineii(i32, i32)
     20 define i64 @A2_combineii() {
     21   %z = call i64 @llvm.hexagon.A2.combineii(i32 0, i32 0)
     22   ret i64 %z
     23 }
     24 ; CHECK: r1:0 = combine(#0, #0)
     25 
     26 declare i32 @llvm.hexagon.A2.combine.hh(i32, i32)
     27 define i32 @A2_combine_hh(i32 %a, i32 %b) {
     28   %z = call i32 @llvm.hexagon.A2.combine.hh(i32 %a, i32 %b)
     29   ret i32 %z
     30 }
     31 ; CHECK: r0 = combine(r0.h, r1.h)
     32 
     33 declare i32 @llvm.hexagon.A2.combine.hl(i32, i32)
     34 define i32 @A2_combine_hl(i32 %a, i32 %b) {
     35   %z = call i32 @llvm.hexagon.A2.combine.hl(i32 %a, i32 %b)
     36   ret i32 %z
     37 }
     38 ; CHECK: r0 = combine(r0.h, r1.l)
     39 
     40 declare i32 @llvm.hexagon.A2.combine.lh(i32, i32)
     41 define i32 @A2_combine_lh(i32 %a, i32 %b) {
     42   %z = call i32 @llvm.hexagon.A2.combine.lh(i32 %a, i32 %b)
     43   ret i32 %z
     44 }
     45 ; CHECK: r0 = combine(r0.l, r1.h)
     46 
     47 declare i32 @llvm.hexagon.A2.combine.ll(i32, i32)
     48 define i32 @A2_combine_ll(i32 %a, i32 %b) {
     49   %z = call i32 @llvm.hexagon.A2.combine.ll(i32 %a, i32 %b)
     50   ret i32 %z
     51 }
     52 ; CHECK: r0 = combine(r0.l, r1.l)
     53 
     54 declare i64 @llvm.hexagon.A2.combinew(i32, i32)
     55 define i64 @A2_combinew(i32 %a, i32 %b) {
     56   %z = call i64 @llvm.hexagon.A2.combinew(i32 %a, i32 %b)
     57   ret i64 %z
     58 }
     59 ; CHECK: r1:0 = combine(r0, r1)
     60 
     61 ; Mux
     62 declare i32 @llvm.hexagon.C2.muxri(i32, i32, i32)
     63 define i32 @C2_muxri(i32 %a, i32 %b) {
     64   %z = call i32 @llvm.hexagon.C2.muxri(i32 %a, i32 0, i32 %b)
     65   ret i32 %z
     66 }
     67 ; CHECK: r0 = mux(p0, #0, r1)
     68 
     69 declare i32 @llvm.hexagon.C2.muxir(i32, i32, i32)
     70 define i32 @C2_muxir(i32 %a, i32 %b) {
     71   %z = call i32 @llvm.hexagon.C2.muxir(i32 %a, i32 %b, i32 0)
     72   ret i32 %z
     73 }
     74 ; CHECK: r0 = mux(p0, r1, #0)
     75 
     76 declare i32 @llvm.hexagon.C2.mux(i32, i32, i32)
     77 define i32 @C2_mux(i32 %a, i32 %b, i32 %c) {
     78   %z = call i32 @llvm.hexagon.C2.mux(i32 %a, i32 %b, i32 %c)
     79   ret i32 %z
     80 }
     81 ; CHECK: r0 = mux(p0, r1, r2)
     82 
     83 ; Shift word by 16
     84 declare i32 @llvm.hexagon.A2.aslh(i32)
     85 define i32 @A2_aslh(i32 %a) {
     86   %z = call i32 @llvm.hexagon.A2.aslh(i32 %a)
     87   ret i32 %z
     88 }
     89 ; CHECK: r0 = aslh(r0)
     90 
     91 declare i32 @llvm.hexagon.A2.asrh(i32)
     92 define i32 @A2_asrh(i32 %a) {
     93   %z = call i32 @llvm.hexagon.A2.asrh(i32 %a)
     94   ret i32 %z
     95 }
     96 ; CHECK: r0 = asrh(r0)
     97 
     98 ; Pack high and low halfwords
     99 declare i64 @llvm.hexagon.S2.packhl(i32, i32)
    100 define i64 @S2_packhl(i32 %a, i32 %b) {
    101   %z = call i64 @llvm.hexagon.S2.packhl(i32 %a, i32 %b)
    102   ret i64 %z
    103 }
    104 ; CHECK: r1:0 = packhl(r0, r1)
    105