1 ; RUN: llc -O2 -march=bpfel -mcpu=v2 -mattr=+alu32 < %s | FileCheck %s
3 ; For the below test case, both 'ret' and 'b' at 'ret == b'
4 ; need SLL/SLR. For 'ret', 'ret = a' may receive the value
5 ; from argument with high 32-bit invalid data.
7 ; extern int helper(int);
8 ; int test(int a, int b, int c, int d) {
11 ; ret = (c < d) ? a : 0;
13 ; ret = (c < a) ? 1 : 2;
14 ; return helper(ret == b);
17 define dso_local i32 @test(i32 %a, i32 %b, i32 %c, i32 %d) local_unnamed_addr {
19 %cmp = icmp slt i32 %a, %b
20 %cmp1 = icmp slt i32 %c, %d
21 %cond = select i1 %cmp1, i32 %a, i32 0
22 %cmp2 = icmp slt i32 %c, %a
23 %cond3 = select i1 %cmp2, i32 1, i32 2
24 %ret.0 = select i1 %cmp, i32 %cond, i32 %cond3
25 %cmp4 = icmp eq i32 %ret.0, %b
26 %conv = zext i1 %cmp4 to i32
27 %call = tail call i32 @helper(i32 %conv)
30 ; CHECK: r{{[0-9]+}} = w{{[0-9]+}}
31 ; CHECK: r{{[0-9]+}} = w{{[0-9]+}}
32 ; CHECK: if r{{[0-9]+}} == r{{[0-9]+}} goto
34 declare dso_local i32 @helper(i32) local_unnamed_addr