| Wesley Peck | a70f28c | 2010-02-23 19:15:24 +0000 | [diff] [blame^] | 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-NOT: bsll |
| 14 | ; FUN: andi |
| 15 | ; FUN: add |
| 16 | ; FUN: bnei |
| 17 | ; SHT-NOT: andi |
| 18 | ; SHT-NOT: bnei |
| 19 | ; SHT: bsll |
| 20 | |
| 21 | ret i8 %tmp.1 |
| 22 | ; FUN: rtsd |
| 23 | ; SHT: rtsd |
| 24 | } |
| 25 | |
| 26 | define i8 @testc_i8(i8 %a, i8 %b) { |
| 27 | ; FUN: testc_i8: |
| 28 | ; SHT: testc_i8: |
| 29 | |
| 30 | %tmp.1 = shl i8 %a, 5 |
| 31 | ; FUN-NOT: bsll |
| 32 | ; FUN: andi |
| 33 | ; FUN: add |
| 34 | ; FUN: bnei |
| 35 | ; SHT-NOT: andi |
| 36 | ; SHT-NOT: add |
| 37 | ; SHT-NOT: bnei |
| 38 | ; SHT: bslli |
| 39 | |
| 40 | ret i8 %tmp.1 |
| 41 | ; FUN: rtsd |
| 42 | ; SHT: rtsd |
| 43 | } |
| 44 | |
| 45 | define i16 @test_i16(i16 %a, i16 %b) { |
| 46 | ; FUN: test_i16: |
| 47 | ; SHT: test_i16: |
| 48 | |
| 49 | %tmp.1 = shl i16 %a, %b |
| 50 | ; FUN-NOT: bsll |
| 51 | ; FUN: andi |
| 52 | ; FUN: add |
| 53 | ; FUN: bnei |
| 54 | ; SHT-NOT: andi |
| 55 | ; SHT-NOT: bnei |
| 56 | ; SHT: bsll |
| 57 | |
| 58 | ret i16 %tmp.1 |
| 59 | ; FUN: rtsd |
| 60 | ; SHT: rtsd |
| 61 | } |
| 62 | |
| 63 | define i16 @testc_i16(i16 %a, i16 %b) { |
| 64 | ; FUN: testc_i16: |
| 65 | ; SHT: testc_i16: |
| 66 | |
| 67 | %tmp.1 = shl i16 %a, 5 |
| 68 | ; FUN-NOT: bsll |
| 69 | ; FUN: andi |
| 70 | ; FUN: add |
| 71 | ; FUN: bnei |
| 72 | ; SHT-NOT: andi |
| 73 | ; SHT-NOT: add |
| 74 | ; SHT-NOT: bnei |
| 75 | ; SHT: bslli |
| 76 | |
| 77 | ret i16 %tmp.1 |
| 78 | ; FUN: rtsd |
| 79 | ; SHT: rtsd |
| 80 | } |
| 81 | |
| 82 | define i32 @test_i32(i32 %a, i32 %b) { |
| 83 | ; FUN: test_i32: |
| 84 | ; SHT: test_i32: |
| 85 | |
| 86 | %tmp.1 = shl i32 %a, %b |
| 87 | ; FUN-NOT: bsll |
| 88 | ; FUN: andi |
| 89 | ; FUN: add |
| 90 | ; FUN: bnei |
| 91 | ; SHT-NOT: andi |
| 92 | ; SHT-NOT: bnei |
| 93 | ; SHT: bsll |
| 94 | |
| 95 | ret i32 %tmp.1 |
| 96 | ; FUN: rtsd |
| 97 | ; SHT: rtsd |
| 98 | } |
| 99 | |
| 100 | define i32 @testc_i32(i32 %a, i32 %b) { |
| 101 | ; FUN: testc_i32: |
| 102 | ; SHT: testc_i32: |
| 103 | |
| 104 | %tmp.1 = shl i32 %a, 5 |
| 105 | ; FUN-NOT: bsll |
| 106 | ; FUN: andi |
| 107 | ; FUN: add |
| 108 | ; FUN: bnei |
| 109 | ; SHT-NOT: andi |
| 110 | ; SHT-NOT: add |
| 111 | ; SHT-NOT: bnei |
| 112 | ; SHT: bslli |
| 113 | |
| 114 | ret i32 %tmp.1 |
| 115 | ; FUN: rtsd |
| 116 | ; SHT: rtsd |
| 117 | } |