| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=arm-eabi -mattr=+v6 | FileCheck %s --check-prefixes=CHECK,CHECK-V6 |
| ; RUN: llc < %s -mtriple=arm-eabi -mattr=+v7 | FileCheck %s --check-prefixes=CHECK,CHECK-V7 |
| |
| define zeroext i8 @test1(i32 %A.u) { |
| ; CHECK-LABEL: test1: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtb r0, r0 |
| ; CHECK-NEXT: bx lr |
| %B.u = trunc i32 %A.u to i8 |
| ret i8 %B.u |
| } |
| |
| define zeroext i32 @test2(i32 %A.u, i32 %B.u) { |
| ; CHECK-LABEL: test2: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r0, r1 |
| ; CHECK-NEXT: bx lr |
| %C.u = trunc i32 %B.u to i8 |
| %D.u = zext i8 %C.u to i32 |
| %E.u = add i32 %A.u, %D.u |
| ret i32 %E.u |
| } |
| |
| define zeroext i32 @test3(i32 %A.u) { |
| ; CHECK-V6-LABEL: test3: |
| ; CHECK-V6: @ %bb.0: |
| ; CHECK-V6-NEXT: lsr r0, r0, #8 |
| ; CHECK-V6-NEXT: uxth r0, r0 |
| ; CHECK-V6-NEXT: bx lr |
| ; |
| ; CHECK-V7-LABEL: test3: |
| ; CHECK-V7: @ %bb.0: |
| ; CHECK-V7-NEXT: ubfx r0, r0, #8, #16 |
| ; CHECK-V7-NEXT: bx lr |
| %B.u = lshr i32 %A.u, 8 |
| %C.u = shl i32 %A.u, 24 |
| %D.u = or i32 %B.u, %C.u |
| %E.u = trunc i32 %D.u to i16 |
| %F.u = zext i16 %E.u to i32 |
| ret i32 %F.u |
| } |
| |
| define zeroext i32 @test4(i32 %A.u) { |
| ; CHECK-V6-LABEL: test4: |
| ; CHECK-V6: @ %bb.0: |
| ; CHECK-V6-NEXT: lsr r0, r0, #8 |
| ; CHECK-V6-NEXT: uxtb r0, r0 |
| ; CHECK-V6-NEXT: bx lr |
| ; |
| ; CHECK-V7-LABEL: test4: |
| ; CHECK-V7: @ %bb.0: |
| ; CHECK-V7-NEXT: ubfx r0, r0, #8, #8 |
| ; CHECK-V7-NEXT: bx lr |
| %B.u = lshr i32 %A.u, 8 |
| %C.u = shl i32 %A.u, 24 |
| %D.u = or i32 %B.u, %C.u |
| %E.u = trunc i32 %D.u to i8 |
| %F.u = zext i8 %E.u to i32 |
| ret i32 %F.u |
| } |
| |
| define zeroext i16 @test5(i32 %A.u) { |
| ; CHECK-LABEL: test5: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxth r0, r0 |
| ; CHECK-NEXT: bx lr |
| %B.u = trunc i32 %A.u to i16 |
| ret i16 %B.u |
| } |
| |
| define zeroext i32 @test6(i32 %A.u, i32 %B.u) { |
| ; CHECK-LABEL: test6: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r0, r1 |
| ; CHECK-NEXT: bx lr |
| %C.u = trunc i32 %B.u to i16 |
| %D.u = zext i16 %C.u to i32 |
| %E.u = add i32 %A.u, %D.u |
| ret i32 %E.u |
| } |
| |
| define zeroext i32 @test7(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test7: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r1, r0, ror #8 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 8 |
| %C = shl i32 %A, 24 |
| %D = or i32 %B, %C |
| %E = trunc i32 %D to i8 |
| %F = zext i8 %E to i32 |
| %G = add i32 %F, %X |
| ret i32 %G |
| } |
| |
| define zeroext i32 @test8(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test8: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r1, r0, ror #16 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 16 |
| %C = shl i32 %A, 16 |
| %D = or i32 %B, %C |
| %E = trunc i32 %D to i8 |
| %F = zext i8 %E to i32 |
| %G = add i32 %F, %X |
| ret i32 %G |
| } |
| |
| define zeroext i32 @test9(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test9: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r1, r0, ror #8 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 8 |
| %C = shl i32 %A, 24 |
| %D = or i32 %B, %C |
| %E = trunc i32 %D to i16 |
| %F = zext i16 %E to i32 |
| %G = add i32 %F, %X |
| ret i32 %G |
| } |
| |
| define zeroext i32 @test10(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test10: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r1, r0, ror #24 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 24 |
| %C = shl i32 %A, 8 |
| %D = or i32 %B, %C |
| %E = trunc i32 %D to i16 |
| %F = zext i16 %E to i32 |
| %G = add i32 %F, %X |
| ret i32 %G |
| } |
| |
| define zeroext i32 @test11(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test11: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r1, r0 |
| ; CHECK-NEXT: bx lr |
| %B = and i32 %A, 255 |
| %add = add i32 %X, %B |
| ret i32 %add |
| } |
| |
| define zeroext i32 @test12(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test12: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r1, r0, ror #8 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 8 |
| %and = and i32 %B, 255 |
| %add = add i32 %and, %X |
| ret i32 %add |
| } |
| |
| define zeroext i32 @test13(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test13: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtab r0, r1, r0, ror #16 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 16 |
| %and = and i32 %B, 255 |
| %add = add i32 %and, %X |
| ret i32 %add |
| } |
| |
| define zeroext i32 @test14(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test14: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r1, r0 |
| ; CHECK-NEXT: bx lr |
| %B = and i32 %A, 65535 |
| %add = add i32 %X, %B |
| ret i32 %add |
| } |
| |
| define zeroext i32 @test15(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test15: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r1, r0, ror #8 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 8 |
| %and = and i32 %B, 65535 |
| %add = add i32 %and, %X |
| ret i32 %add |
| } |
| |
| define zeroext i32 @test16(i32 %A, i32 %X) { |
| ; CHECK-LABEL: test16: |
| ; CHECK: @ %bb.0: |
| ; CHECK-NEXT: uxtah r0, r1, r0, ror #24 |
| ; CHECK-NEXT: bx lr |
| %B = lshr i32 %A, 24 |
| %C = shl i32 %A, 8 |
| %D = or i32 %B, %C |
| %E = and i32 %D, 65535 |
| %F = add i32 %E, %X |
| ret i32 %F |
| } |