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; 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: lis 7, -13108
; CHECK-NEXT: lis 8, 13107
; CHECK-NEXT: ori 4, 4, 43690
; CHECK-NEXT: ori 5, 5, 21845
; CHECK-NEXT: lis 10, -3856
; CHECK-NEXT: lis 11, 3855
; CHECK-NEXT: and 3, 3, 5
; CHECK-NEXT: and 4, 6, 4
; CHECK-NEXT: ori 5, 8, 13107
; CHECK-NEXT: or 3, 3, 4
; CHECK-NEXT: ori 4, 7, 52428
; CHECK-NEXT: slwi 9, 3, 2
; CHECK-NEXT: srwi 3, 3, 2
; CHECK-NEXT: and 3, 3, 5
; CHECK-NEXT: and 4, 9, 4
; CHECK-NEXT: ori 5, 11, 3855
; CHECK-NEXT: or 3, 3, 4
; CHECK-NEXT: ori 4, 10, 61680
; CHECK-NEXT: slwi 12, 3, 4
; CHECK-NEXT: srwi 3, 3, 4
; CHECK-NEXT: and 4, 12, 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 3, 3, 5
; CHECK-NEXT: sldi 5, 6, 32
; CHECK-NEXT: sldi 6, 7, 32
; CHECK-NEXT: and 4, 8, 4
; CHECK-NEXT: lis 7, 3855
; CHECK-NEXT: or 3, 3, 4
; CHECK-NEXT: oris 9, 5, 52428
; CHECK-NEXT: oris 10, 6, 13107
; CHECK-NEXT: lis 6, -3856
; CHECK-NEXT: ori 7, 7, 3855
; CHECK-NEXT: sldi 8, 3, 2
; CHECK-NEXT: ori 4, 9, 52428
; CHECK-NEXT: rldicl 3, 3, 62, 2
; CHECK-NEXT: ori 5, 10, 13107
; CHECK-NEXT: ori 6, 6, 61680
; CHECK-NEXT: and 3, 3, 5
; CHECK-NEXT: sldi 5, 6, 32
; CHECK-NEXT: and 4, 8, 4
; CHECK-NEXT: sldi 6, 7, 32
; CHECK-NEXT: or 3, 3, 4
; CHECK-NEXT: oris 11, 5, 61680
; CHECK-NEXT: oris 12, 6, 3855
; CHECK-NEXT: sldi 6, 3, 4
; CHECK-NEXT: ori 4, 11, 61680
; CHECK-NEXT: rldicl 3, 3, 60, 4
; CHECK-NEXT: ori 5, 12, 3855
; CHECK-NEXT: and 4, 6, 4
; CHECK-NEXT: and 3, 3, 5
; CHECK-NEXT: or 3, 3, 4
; CHECK-NEXT: rlwinm 5, 3, 24, 0, 31
; CHECK-NEXT: rldicl 4, 3, 32, 32
; CHECK-NEXT: rlwinm 6, 4, 24, 0, 31
; CHECK-NEXT: rlwimi 5, 3, 8, 8, 15
; CHECK-NEXT: rlwimi 6, 4, 8, 8, 15
; CHECK-NEXT: rlwimi 5, 3, 8, 24, 31
; 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
}
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