Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=ppc32 | grep rlwinm | count 4 |
| 2 | ; RUN: llc < %s -march=ppc32 | grep rlwnm | count 2 |
| 3 | ; RUN: llc < %s -march=ppc32 | not grep or |
Chris Lattner | 19e9705 | 2007-04-02 22:08:54 +0000 | [diff] [blame] | 4 | |
Dale Johannesen | 1d3863f | 2008-03-31 23:20:09 +0000 | [diff] [blame] | 5 | define i32 @rotl32(i32 %A, i8 %Amt) nounwind { |
Chris Lattner | 19e9705 | 2007-04-02 22:08:54 +0000 | [diff] [blame] | 6 | %shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1] |
| 7 | %B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1] |
| 8 | %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] |
| 9 | %shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] |
| 10 | %C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1] |
| 11 | %D = or i32 %B, %C ; <i32> [#uses=1] |
| 12 | ret i32 %D |
| 13 | } |
| 14 | |
Dale Johannesen | 1d3863f | 2008-03-31 23:20:09 +0000 | [diff] [blame] | 15 | define i32 @rotr32(i32 %A, i8 %Amt) nounwind { |
Chris Lattner | 19e9705 | 2007-04-02 22:08:54 +0000 | [diff] [blame] | 16 | %shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1] |
| 17 | %B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1] |
| 18 | %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] |
| 19 | %shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] |
| 20 | %C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1] |
| 21 | %D = or i32 %B, %C ; <i32> [#uses=1] |
| 22 | ret i32 %D |
| 23 | } |
| 24 | |
Dale Johannesen | 1d3863f | 2008-03-31 23:20:09 +0000 | [diff] [blame] | 25 | define i32 @rotli32(i32 %A) nounwind { |
Chris Lattner | 19e9705 | 2007-04-02 22:08:54 +0000 | [diff] [blame] | 26 | %B = shl i32 %A, 5 ; <i32> [#uses=1] |
| 27 | %C = lshr i32 %A, 27 ; <i32> [#uses=1] |
| 28 | %D = or i32 %B, %C ; <i32> [#uses=1] |
| 29 | ret i32 %D |
| 30 | } |
| 31 | |
Dale Johannesen | 1d3863f | 2008-03-31 23:20:09 +0000 | [diff] [blame] | 32 | define i32 @rotri32(i32 %A) nounwind { |
Chris Lattner | 19e9705 | 2007-04-02 22:08:54 +0000 | [diff] [blame] | 33 | %B = lshr i32 %A, 5 ; <i32> [#uses=1] |
| 34 | %C = shl i32 %A, 27 ; <i32> [#uses=1] |
| 35 | %D = or i32 %B, %C ; <i32> [#uses=1] |
| 36 | ret i32 %D |
| 37 | } |
| 38 | |