1 ; Ensure that shifts are lowered to loops when the barrel shifter unit is 2 ; not available in the hardware and that loops are not used when the 3 ; barrel shifter unit is available in the hardware. 4 ; 5 ; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s 6 ; RUN: llc < %s -march=mblaze -mattr=+barrel | FileCheck -check-prefix=SHT %s 7 8 define i8 @test_i8(i8 %a, i8 %b) { 9 ; FUN: test_i8: 10 ; SHT: test_i8: 11 12 %tmp.1 = shl i8 %a, %b 13 ; FUN: andi 14 ; FUN: add 15 ; FUN: bnei 16 ; SHT-NOT: bnei 17 18 ret i8 %tmp.1 19 ; FUN: rtsd 20 ; SHT: rtsd 21 ; FUN-NOT: bsll 22 ; SHT-NEXT: bsll 23 } 24 25 define i8 @testc_i8(i8 %a, i8 %b) { 26 ; FUN: testc_i8: 27 ; SHT: testc_i8: 28 29 %tmp.1 = shl i8 %a, 5 30 ; FUN: andi 31 ; FUN: add 32 ; FUN: bnei 33 ; SHT-NOT: andi 34 ; SHT-NOT: add 35 ; SHT-NOT: bnei 36 37 ret i8 %tmp.1 38 ; FUN: rtsd 39 ; SHT: rtsd 40 ; FUN-NOT: bsll 41 ; SHT-NEXT: bslli 42 } 43 44 define i16 @test_i16(i16 %a, i16 %b) { 45 ; FUN: test_i16: 46 ; SHT: test_i16: 47 48 %tmp.1 = shl i16 %a, %b 49 ; FUN: andi 50 ; FUN: add 51 ; FUN: bnei 52 ; SHT-NOT: bnei 53 54 ret i16 %tmp.1 55 ; FUN: rtsd 56 ; SHT: rtsd 57 ; FUN-NOT: bsll 58 ; SHT-NEXT: bsll 59 } 60 61 define i16 @testc_i16(i16 %a, i16 %b) { 62 ; FUN: testc_i16: 63 ; SHT: testc_i16: 64 65 %tmp.1 = shl i16 %a, 5 66 ; FUN: andi 67 ; FUN: add 68 ; FUN: bnei 69 ; SHT-NOT: andi 70 ; SHT-NOT: add 71 ; SHT-NOT: bnei 72 73 ret i16 %tmp.1 74 ; FUN: rtsd 75 ; SHT: rtsd 76 ; FUN-NOT: bsll 77 ; SHT-NEXT: bslli 78 } 79 80 define i32 @test_i32(i32 %a, i32 %b) { 81 ; FUN: test_i32: 82 ; SHT: test_i32: 83 84 %tmp.1 = shl i32 %a, %b 85 ; FUN: andi 86 ; FUN: add 87 ; FUN: bnei 88 ; SHT-NOT: andi 89 ; SHT-NOT: bnei 90 91 ret i32 %tmp.1 92 ; FUN: rtsd 93 ; SHT: rtsd 94 ; FUN-NOT: bsll 95 ; SHT-NEXT: bsll 96 } 97 98 define i32 @testc_i32(i32 %a, i32 %b) { 99 ; FUN: testc_i32: 100 ; SHT: testc_i32: 101 102 %tmp.1 = shl i32 %a, 5 103 ; FUN: andi 104 ; FUN: add 105 ; FUN: bnei 106 ; SHT-NOT: andi 107 ; SHT-NOT: add 108 ; SHT-NOT: bnei 109 110 ret i32 %tmp.1 111 ; FUN: rtsd 112 ; SHT: rtsd 113 ; FUN-NOT: bsll 114 ; SHT-NEXT: bslli 115 } 116
