Chris Lattner | 5f0a8c7 | 2004-11-06 21:11:04 +0000 | [diff] [blame] | 1 | ; All of these ands and shifts should be folded into rlwimi's |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 2 | ; RUN: llvm-as < %s | llc -march=ppc32 | not grep and |
| 3 | ; RUN: llvm-as < %s | llc -march=ppc32 | grep rlwimi | count 8 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 4 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 5 | define i32 @test1(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 6 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 7 | %tmp.3 = shl i32 %x, 16 ; <i32> [#uses=1] |
| 8 | %tmp.7 = and i32 %y, 65535 ; <i32> [#uses=1] |
| 9 | %tmp.9 = or i32 %tmp.7, %tmp.3 ; <i32> [#uses=1] |
| 10 | ret i32 %tmp.9 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 11 | } |
| 12 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 13 | define i32 @test2(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 14 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 15 | %tmp.7 = and i32 %x, 65535 ; <i32> [#uses=1] |
| 16 | %tmp.3 = shl i32 %y, 16 ; <i32> [#uses=1] |
| 17 | %tmp.9 = or i32 %tmp.7, %tmp.3 ; <i32> [#uses=1] |
| 18 | ret i32 %tmp.9 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 19 | } |
| 20 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 21 | define i32 @test3(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 22 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 23 | %tmp.3 = lshr i32 %x, 16 ; <i32> [#uses=1] |
| 24 | %tmp.6 = and i32 %y, -65536 ; <i32> [#uses=1] |
| 25 | %tmp.7 = or i32 %tmp.6, %tmp.3 ; <i32> [#uses=1] |
| 26 | ret i32 %tmp.7 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 27 | } |
| 28 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 29 | define i32 @test4(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 30 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 31 | %tmp.6 = and i32 %x, -65536 ; <i32> [#uses=1] |
| 32 | %tmp.3 = lshr i32 %y, 16 ; <i32> [#uses=1] |
| 33 | %tmp.7 = or i32 %tmp.6, %tmp.3 ; <i32> [#uses=1] |
| 34 | ret i32 %tmp.7 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 35 | } |
| 36 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 37 | define i32 @test5(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 38 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 39 | %tmp.3 = shl i32 %x, 1 ; <i32> [#uses=1] |
| 40 | %tmp.4 = and i32 %tmp.3, -65536 ; <i32> [#uses=1] |
| 41 | %tmp.7 = and i32 %y, 65535 ; <i32> [#uses=1] |
| 42 | %tmp.9 = or i32 %tmp.4, %tmp.7 ; <i32> [#uses=1] |
| 43 | ret i32 %tmp.9 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 44 | } |
| 45 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 46 | define i32 @test6(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 47 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 48 | %tmp.7 = and i32 %x, 65535 ; <i32> [#uses=1] |
| 49 | %tmp.3 = shl i32 %y, 1 ; <i32> [#uses=1] |
| 50 | %tmp.4 = and i32 %tmp.3, -65536 ; <i32> [#uses=1] |
| 51 | %tmp.9 = or i32 %tmp.4, %tmp.7 ; <i32> [#uses=1] |
| 52 | ret i32 %tmp.9 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 53 | } |
| 54 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 55 | define i32 @test7(i32 %x, i32 %y) { |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 56 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 57 | %tmp.2 = and i32 %x, -65536 ; <i32> [#uses=1] |
| 58 | %tmp.5 = and i32 %y, 65535 ; <i32> [#uses=1] |
| 59 | %tmp.7 = or i32 %tmp.5, %tmp.2 ; <i32> [#uses=1] |
| 60 | ret i32 %tmp.7 |
Nate Begeman | 2a40841 | 2004-10-24 10:30:22 +0000 | [diff] [blame] | 61 | } |
Nate Begeman | 2bbcca3 | 2005-08-03 18:11:23 +0000 | [diff] [blame] | 62 | |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 63 | define i32 @test8(i32 %bar) { |
Nate Begeman | 2bbcca3 | 2005-08-03 18:11:23 +0000 | [diff] [blame] | 64 | entry: |
Tanya Lattner | cfab3da | 2008-02-19 08:07:33 +0000 | [diff] [blame^] | 65 | %tmp.3 = shl i32 %bar, 1 ; <i32> [#uses=1] |
| 66 | %tmp.4 = and i32 %tmp.3, 2 ; <i32> [#uses=1] |
| 67 | %tmp.6 = and i32 %bar, -3 ; <i32> [#uses=1] |
| 68 | %tmp.7 = or i32 %tmp.4, %tmp.6 ; <i32> [#uses=1] |
| 69 | ret i32 %tmp.7 |
Nate Begeman | 2bbcca3 | 2005-08-03 18:11:23 +0000 | [diff] [blame] | 70 | } |