1 ; This test makes sure that these instructions are properly eliminated.
3 ; RUN: opt < %s -instcombine -S | \
4 ; RUN: not grep {tobool}
6 define i32 @main(i32 %argc, i8** %argv) nounwind ssp {
8 %and = and i32 %argc, 1 ; <i32> [#uses=1]
9 %tobool = icmp ne i32 %and, 0 ; <i1> [#uses=1]
10 %and2 = and i32 %argc, 2 ; <i32> [#uses=1]
11 %tobool3 = icmp ne i32 %and2, 0 ; <i1> [#uses=1]
12 %or.cond = and i1 %tobool, %tobool3 ; <i1> [#uses=1]
13 %retval.0 = select i1 %or.cond, i32 2, i32 1 ; <i32> [#uses=1]
17 define i32 @main2(i32 %argc, i8** nocapture %argv) nounwind readnone ssp {
19 %and = and i32 %argc, 1 ; <i32> [#uses=1]
20 %tobool = icmp eq i32 %and, 0 ; <i1> [#uses=1]
21 %and2 = and i32 %argc, 2 ; <i32> [#uses=1]
22 %tobool3 = icmp eq i32 %and2, 0 ; <i1> [#uses=1]
23 %or.cond = or i1 %tobool, %tobool3 ; <i1> [#uses=1]
24 %storemerge = select i1 %or.cond, i32 0, i32 1 ; <i32> [#uses=1]