Dan Gohman | fce288f | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=ppc32 | grep rlwimi |
| 2 | ; RUN: llc < %s -march=ppc32 | not grep {or } |
Chris Lattner | a4d9dc7 | 2005-09-09 17:48:57 +0000 | [diff] [blame] | 3 | |
| 4 | ; Make sure there is no register-register copies here. |
| 5 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 6 | define void @test1(i32* %A, i32* %B, i32* %D, i32* %E) { |
| 7 | %A.upgrd.1 = load i32* %A ; <i32> [#uses=2] |
| 8 | %B.upgrd.2 = load i32* %B ; <i32> [#uses=1] |
| 9 | %X = and i32 %A.upgrd.1, 15 ; <i32> [#uses=1] |
| 10 | %Y = and i32 %B.upgrd.2, -16 ; <i32> [#uses=1] |
| 11 | %Z = or i32 %X, %Y ; <i32> [#uses=1] |
| 12 | store i32 %Z, i32* %D |
| 13 | store i32 %A.upgrd.1, i32* %E |
Chris Lattner | a4d9dc7 | 2005-09-09 17:48:57 +0000 | [diff] [blame] | 14 | ret void |
| 15 | } |
| 16 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 17 | define void @test2(i32* %A, i32* %B, i32* %D, i32* %E) { |
| 18 | %A.upgrd.3 = load i32* %A ; <i32> [#uses=1] |
| 19 | %B.upgrd.4 = load i32* %B ; <i32> [#uses=2] |
| 20 | %X = and i32 %A.upgrd.3, 15 ; <i32> [#uses=1] |
| 21 | %Y = and i32 %B.upgrd.4, -16 ; <i32> [#uses=1] |
| 22 | %Z = or i32 %X, %Y ; <i32> [#uses=1] |
| 23 | store i32 %Z, i32* %D |
| 24 | store i32 %B.upgrd.4, i32* %E |
Chris Lattner | a4d9dc7 | 2005-09-09 17:48:57 +0000 | [diff] [blame] | 25 | ret void |
| 26 | } |
Chris Lattner | 3be4893 | 2008-03-02 17:56:29 +0000 | [diff] [blame] | 27 | |
| 28 | define i32 @test3(i32 %a, i32 %b) { |
| 29 | %tmp.1 = and i32 %a, 15 ; <i32> [#uses=1] |
| 30 | %tmp.3 = and i32 %b, 240 ; <i32> [#uses=1] |
| 31 | %tmp.4 = or i32 %tmp.3, %tmp.1 ; <i32> [#uses=1] |
| 32 | ret i32 %tmp.4 |
| 33 | } |
| 34 | |