| ; Ensure that shifts are lowered to loops when the barrel shifter unit is |
| ; not available in the hardware and that loops are not used when the |
| ; barrel shifter unit is available in the hardware. |
| ; |
| ; RUN: llc < %s -march=mblaze | FileCheck -check-prefix=FUN %s |
| ; RUN: llc < %s -march=mblaze -mattr=+barrel | FileCheck -check-prefix=SHT %s |
| |
| define i8 @test_i8(i8 %a, i8 %b) { |
| ; FUN: test_i8: |
| ; SHT: test_i8: |
| |
| %tmp.1 = shl i8 %a, %b |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: bnei |
| ; SHT: bsll |
| |
| ret i8 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
| |
| define i8 @testc_i8(i8 %a, i8 %b) { |
| ; FUN: testc_i8: |
| ; SHT: testc_i8: |
| |
| %tmp.1 = shl i8 %a, 5 |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: add |
| ; SHT-NOT: bnei |
| ; SHT: bslli |
| |
| ret i8 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
| |
| define i16 @test_i16(i16 %a, i16 %b) { |
| ; FUN: test_i16: |
| ; SHT: test_i16: |
| |
| %tmp.1 = shl i16 %a, %b |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: bnei |
| ; SHT: bsll |
| |
| ret i16 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
| |
| define i16 @testc_i16(i16 %a, i16 %b) { |
| ; FUN: testc_i16: |
| ; SHT: testc_i16: |
| |
| %tmp.1 = shl i16 %a, 5 |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: add |
| ; SHT-NOT: bnei |
| ; SHT: bslli |
| |
| ret i16 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
| |
| define i32 @test_i32(i32 %a, i32 %b) { |
| ; FUN: test_i32: |
| ; SHT: test_i32: |
| |
| %tmp.1 = shl i32 %a, %b |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: bnei |
| ; SHT: bsll |
| |
| ret i32 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
| |
| define i32 @testc_i32(i32 %a, i32 %b) { |
| ; FUN: testc_i32: |
| ; SHT: testc_i32: |
| |
| %tmp.1 = shl i32 %a, 5 |
| ; FUN-NOT: bsll |
| ; FUN: andi |
| ; FUN: add |
| ; FUN: bnei |
| ; SHT-NOT: andi |
| ; SHT-NOT: add |
| ; SHT-NOT: bnei |
| ; SHT: bslli |
| |
| ret i32 %tmp.1 |
| ; FUN: rtsd |
| ; SHT: rtsd |
| } |
