1 ; This test ensures that "strength reduction" of conditional expressions are
2 ; working. Basically this boils down to converting setlt,gt,le,ge instructions
3 ; into equivalent setne,eq instructions.
5 ; RUN: opt < %s -instcombine -S | \
6 ; RUN: grep -v {icmp eq} | grep -v {icmp ne} | not grep icmp
9 define i1 @test1(i32 %A) {
11 %B = icmp uge i32 %A, 1 ; <i1> [#uses=1]
15 define i1 @test2(i32 %A) {
17 %B = icmp ugt i32 %A, 0 ; <i1> [#uses=1]
21 define i1 @test3(i8 %A) {
23 %B = icmp sge i8 %A, -127 ; <i1> [#uses=1]
27 define i1 @test4(i8 %A) {
29 %B = icmp sle i8 %A, 126 ; <i1> [#uses=1]
33 define i1 @test5(i8 %A) {
35 %B = icmp slt i8 %A, 127 ; <i1> [#uses=1]