| Dan Gohman | 72a13d2 | 2009-09-08 22:34:10 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -instcombine -S | grep {ret i32 0} |
| Chris Lattner | 992b451 | 2007-04-06 18:56:54 +0000 | [diff] [blame] | 2 | ; PR1313 |
| 3 | |
| 4 | define i32 @test1(i32 %argc, i8* %argv, i8* %envp) { |
| 5 | %tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1] |
| 6 | %c = icmp eq [2564 x i32]* %tmp15.i.i.i23, null ; <i1>:0 [#uses=1] |
| 7 | %retval = zext i1 %c to i32 ; <i32> [#uses=1] |
| 8 | ret i32 %retval |
| 9 | } |
| 10 | |
| 11 | define i32 @test2(i32 %argc, i8* %argv, i8* %envp) { |
| 12 | %tmp15.i.i.i23 = malloc [2564 x i32] ; <[2564 x i32]*> [#uses=1] |
| 13 | %X = bitcast [2564 x i32]* %tmp15.i.i.i23 to i32* |
| 14 | %c = icmp ne i32* %X, null |
| 15 | %retval = zext i1 %c to i32 ; <i32> [#uses=1] |
| 16 | ret i32 %retval |
| 17 | } |
| 18 | |