| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s |
| ; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s |
| |
| define zeroext i32 @ReverseBits(i32 zeroext %n) { |
| ; CHECK-LABEL: ReverseBits: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lis 4, -21846 |
| ; CHECK-NEXT: lis 5, 21845 |
| ; CHECK-NEXT: slwi 6, 3, 1 |
| ; CHECK-NEXT: srwi 3, 3, 1 |
| ; CHECK-NEXT: ori 4, 4, 43690 |
| ; CHECK-NEXT: ori 5, 5, 21845 |
| ; CHECK-NEXT: and 4, 6, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: lis 5, 13107 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: lis 4, -13108 |
| ; CHECK-NEXT: ori 5, 5, 13107 |
| ; CHECK-NEXT: slwi 6, 3, 2 |
| ; CHECK-NEXT: ori 4, 4, 52428 |
| ; CHECK-NEXT: srwi 3, 3, 2 |
| ; CHECK-NEXT: and 4, 6, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: lis 5, 3855 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: lis 4, -3856 |
| ; CHECK-NEXT: ori 5, 5, 3855 |
| ; CHECK-NEXT: slwi 6, 3, 4 |
| ; CHECK-NEXT: ori 4, 4, 61680 |
| ; CHECK-NEXT: srwi 3, 3, 4 |
| ; CHECK-NEXT: and 4, 6, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: rotlwi 4, 3, 24 |
| ; CHECK-NEXT: rlwimi 4, 3, 8, 8, 15 |
| ; CHECK-NEXT: rlwimi 4, 3, 8, 24, 31 |
| ; CHECK-NEXT: rldicl 3, 4, 0, 32 |
| ; CHECK-NEXT: clrldi 3, 3, 32 |
| ; CHECK-NEXT: blr |
| entry: |
| %shr = lshr i32 %n, 1 |
| %and = and i32 %shr, 1431655765 |
| %and1 = shl i32 %n, 1 |
| %shl = and i32 %and1, -1431655766 |
| %or = or i32 %and, %shl |
| %shr2 = lshr i32 %or, 2 |
| %and3 = and i32 %shr2, 858993459 |
| %and4 = shl i32 %or, 2 |
| %shl5 = and i32 %and4, -858993460 |
| %or6 = or i32 %and3, %shl5 |
| %shr7 = lshr i32 %or6, 4 |
| %and8 = and i32 %shr7, 252645135 |
| %and9 = shl i32 %or6, 4 |
| %shl10 = and i32 %and9, -252645136 |
| %or11 = or i32 %and8, %shl10 |
| %shr13 = lshr i32 %or11, 24 |
| %and14 = lshr i32 %or11, 8 |
| %shr15 = and i32 %and14, 65280 |
| %and17 = shl i32 %or11, 8 |
| %shl18 = and i32 %and17, 16711680 |
| %shl21 = shl i32 %or11, 24 |
| %or16 = or i32 %shl21, %shr13 |
| %or19 = or i32 %or16, %shr15 |
| %or22 = or i32 %or19, %shl18 |
| ret i32 %or22 |
| } |
| |
| define i64 @ReverseBits64(i64 %n) { |
| ; CHECK-LABEL: ReverseBits64: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: lis 4, -21846 |
| ; CHECK-NEXT: lis 5, 21845 |
| ; CHECK-NEXT: lis 6, -13108 |
| ; CHECK-NEXT: lis 7, 13107 |
| ; CHECK-NEXT: sldi 8, 3, 1 |
| ; CHECK-NEXT: rldicl 3, 3, 63, 1 |
| ; CHECK-NEXT: ori 4, 4, 43690 |
| ; CHECK-NEXT: ori 5, 5, 21845 |
| ; CHECK-NEXT: ori 6, 6, 52428 |
| ; CHECK-NEXT: ori 7, 7, 13107 |
| ; CHECK-NEXT: sldi 4, 4, 32 |
| ; CHECK-NEXT: sldi 5, 5, 32 |
| ; CHECK-NEXT: oris 4, 4, 43690 |
| ; CHECK-NEXT: oris 5, 5, 21845 |
| ; CHECK-NEXT: ori 4, 4, 43690 |
| ; CHECK-NEXT: ori 5, 5, 21845 |
| ; CHECK-NEXT: and 4, 8, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: sldi 5, 6, 32 |
| ; CHECK-NEXT: sldi 6, 7, 32 |
| ; CHECK-NEXT: lis 7, 3855 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: oris 4, 5, 52428 |
| ; CHECK-NEXT: oris 5, 6, 13107 |
| ; CHECK-NEXT: lis 6, -3856 |
| ; CHECK-NEXT: ori 7, 7, 3855 |
| ; CHECK-NEXT: sldi 8, 3, 2 |
| ; CHECK-NEXT: ori 4, 4, 52428 |
| ; CHECK-NEXT: rldicl 3, 3, 62, 2 |
| ; CHECK-NEXT: ori 5, 5, 13107 |
| ; CHECK-NEXT: ori 6, 6, 61680 |
| ; CHECK-NEXT: and 4, 8, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: sldi 5, 6, 32 |
| ; CHECK-NEXT: sldi 6, 7, 32 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: oris 4, 5, 61680 |
| ; CHECK-NEXT: oris 5, 6, 3855 |
| ; CHECK-NEXT: sldi 6, 3, 4 |
| ; CHECK-NEXT: ori 4, 4, 61680 |
| ; CHECK-NEXT: rldicl 3, 3, 60, 4 |
| ; CHECK-NEXT: ori 5, 5, 3855 |
| ; CHECK-NEXT: and 4, 6, 4 |
| ; CHECK-NEXT: and 3, 3, 5 |
| ; CHECK-NEXT: or 3, 3, 4 |
| ; CHECK-NEXT: rldicl 4, 3, 32, 32 |
| ; CHECK-NEXT: rlwinm 5, 3, 24, 0, 31 |
| ; CHECK-NEXT: rlwinm 6, 4, 24, 0, 31 |
| ; CHECK-NEXT: rlwimi 5, 3, 8, 8, 15 |
| ; CHECK-NEXT: rlwimi 5, 3, 8, 24, 31 |
| ; CHECK-NEXT: rlwimi 6, 4, 8, 8, 15 |
| ; CHECK-NEXT: rlwimi 6, 4, 8, 24, 31 |
| ; CHECK-NEXT: sldi 3, 5, 32 |
| ; CHECK-NEXT: or 3, 3, 6 |
| ; CHECK-NEXT: blr |
| entry: |
| %shr = lshr i64 %n, 1 |
| %and = and i64 %shr, 6148914691236517205 |
| %and1 = shl i64 %n, 1 |
| %shl = and i64 %and1, -6148914691236517206 |
| %or = or i64 %and, %shl |
| %shr2 = lshr i64 %or, 2 |
| %and3 = and i64 %shr2, 3689348814741910323 |
| %and4 = shl i64 %or, 2 |
| %shl5 = and i64 %and4, -3689348814741910324 |
| %or6 = or i64 %and3, %shl5 |
| %shr7 = lshr i64 %or6, 4 |
| %and8 = and i64 %shr7, 1085102592571150095 |
| %and9 = shl i64 %or6, 4 |
| %shl10 = and i64 %and9, -1085102592571150096 |
| %or11 = or i64 %and8, %shl10 |
| %shr13 = lshr i64 %or11, 56 |
| %and14 = lshr i64 %or11, 40 |
| %shr15 = and i64 %and14, 65280 |
| %and17 = lshr i64 %or11, 24 |
| %shr18 = and i64 %and17, 16711680 |
| %and20 = lshr i64 %or11, 8 |
| %shr21 = and i64 %and20, 4278190080 |
| %and23 = shl i64 %or11, 8 |
| %shl24 = and i64 %and23, 1095216660480 |
| %and26 = shl i64 %or11, 24 |
| %shl27 = and i64 %and26, 280375465082880 |
| %and29 = shl i64 %or11, 40 |
| %shl30 = and i64 %and29, 71776119061217280 |
| %shl33 = shl i64 %or11, 56 |
| %or16 = or i64 %shl33, %shr13 |
| %or19 = or i64 %or16, %shr15 |
| %or22 = or i64 %or19, %shr18 |
| %or25 = or i64 %or22, %shr21 |
| %or28 = or i64 %or25, %shl24 |
| %or31 = or i64 %or28, %shl27 |
| %or34 = or i64 %or31, %shl30 |
| ret i64 %or34 |
| } |