| Reid Spencer | ea8b07e | 2007-03-23 20:48:34 +0000 | [diff] [blame] | 1 | ; This test makes sure that these instructions are properly eliminated. |
| 2 | ; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0. |
| 3 | ; |
| Dan Gohman | 72a13d2 | 2009-09-08 22:34:10 +0000 | [diff] [blame] | 4 | ; RUN: opt < %s -instcombine -S | not grep rem |
| Reid Spencer | ea8b07e | 2007-03-23 20:48:34 +0000 | [diff] [blame] | 5 | |
| Reid Spencer | ea8b07e | 2007-03-23 20:48:34 +0000 | [diff] [blame] | 6 | |
| 7 | define i33 @test1(i33 %A) { |
| 8 | %B = urem i33 %A, 4096 |
| 9 | ret i33 %B |
| 10 | } |
| 11 | |
| 12 | define i49 @test2(i49 %A) { |
| 13 | %B = shl i49 4096, 11 |
| 14 | %Y = urem i49 %A, %B |
| 15 | ret i49 %Y |
| 16 | } |
| 17 | |
| 18 | define i59 @test3(i59 %X, i1 %C) { |
| 19 | %V = select i1 %C, i59 70368744177664, i59 4096 |
| 20 | %R = urem i59 %X, %V |
| 21 | ret i59 %R |
| 22 | } |