Chris Lattner | 6022ad0 | 2002-05-06 05:51:26 +0000 | [diff] [blame] | 1 | ; This test makes sure that these instructions are properly eliminated. |
| 2 | ; |
| 3 | |
Chris Lattner | f6f95d0 | 2002-08-02 19:27:58 +0000 | [diff] [blame] | 4 | ; RUN: if as < %s | opt -instcombine | dis | grep set |
Chris Lattner | 6022ad0 | 2002-05-06 05:51:26 +0000 | [diff] [blame] | 5 | ; RUN: then exit 1 |
| 6 | ; RUN: else exit 0 |
| 7 | ; RUN: fi |
| 8 | |
Chris Lattner | ce59a3d | 2002-05-09 19:52:36 +0000 | [diff] [blame] | 9 | %X = uninitialized global int |
Chris Lattner | 6022ad0 | 2002-05-06 05:51:26 +0000 | [diff] [blame] | 10 | |
| 11 | bool "test1"(int %A) { |
| 12 | %B = seteq int %A, %A |
Chris Lattner | ce59a3d | 2002-05-09 19:52:36 +0000 | [diff] [blame] | 13 | %C = seteq int* %X, null ; Never true |
| 14 | %D = and bool %B, %C |
| 15 | ret bool %D |
Chris Lattner | 6022ad0 | 2002-05-06 05:51:26 +0000 | [diff] [blame] | 16 | } |
| 17 | |
| 18 | bool "test2"(int %A) { |
| 19 | %B = setne int %A, %A |
Chris Lattner | ce59a3d | 2002-05-09 19:52:36 +0000 | [diff] [blame] | 20 | %C = setne int* %X, null ; Never false |
| 21 | %D = or bool %B, %C |
| 22 | ret bool %D |
Chris Lattner | 6022ad0 | 2002-05-06 05:51:26 +0000 | [diff] [blame] | 23 | } |
| 24 | |
| 25 | bool "test3"(int %A) { |
| 26 | %B = setlt int %A, %A |
| 27 | ret bool %B |
| 28 | } |
| 29 | |
| 30 | bool "test4"(int %A) { |
| 31 | %B = setgt int %A, %A |
| 32 | ret bool %B |
| 33 | } |
| 34 | |
| 35 | bool "test5"(int %A) { |
| 36 | %B = setle int %A, %A |
| 37 | ret bool %B |
| 38 | } |
| 39 | |
| 40 | bool "test6"(int %A) { |
| 41 | %B = setge int %A, %A |
| 42 | ret bool %B |
| 43 | } |
Chris Lattner | ff61e35 | 2002-08-03 20:24:58 +0000 | [diff] [blame^] | 44 | |
| 45 | bool "test7"(uint %A) { |
| 46 | %B = setge uint %A, 0 ; true |
| 47 | ret bool %B |
| 48 | } |
| 49 | |
| 50 | bool "test8"(uint %A) { |
| 51 | %B = setlt uint %A, 0 ; false |
| 52 | ret bool %B |
| 53 | } |