1 ; RUN-disabled: llc < %s -verify-machineinstrs -mtriple=x86_64-apple-macosx -pre-RA-sched=ilp -debug-only=pre-RA-sched \
2 ; RUN-disabled: 2>&1 | FileCheck %s
6 ; rdar:13279013: pre-RA-sched should not check all interferences and
7 ; repush them on the ready queue after scheduling each instruction.
9 ; CHECK: *** List Scheduling
10 ; CHECK: Interfering reg EFLAGS
14 ; CHECK-NOT: Repushing
15 ; CHECK: *** Final schedule
16 define i32 @test(ptr %pin) #0 {
17 %l0 = load i8, ptr %pin, align 1
19 %g1a = getelementptr inbounds i8, ptr %pin, i64 1
20 %l1a = load i8, ptr %g1a, align 1
21 %z1a = zext i8 %l1a to i32
22 %g1b = getelementptr inbounds i8, ptr %pin, i64 2
23 %l1b = load i8, ptr %g1b, align 1
24 %z1b = zext i8 %l1b to i32
25 %c1 = icmp ne i8 %l0, 0
26 %x1 = xor i32 %z1a, %z1b
27 %s1 = select i1 %c1, i32 %z1a, i32 %x1
29 %g2a = getelementptr inbounds i8, ptr %pin, i64 3
30 %l2a = load i8, ptr %g2a, align 1
31 %z2a = zext i8 %l2a to i32
32 %g2b = getelementptr inbounds i8, ptr %pin, i64 4
33 %l2b = load i8, ptr %g2b, align 1
34 %z2b = zext i8 %l2b to i32
35 %x2 = xor i32 %z2a, %z2b
36 %s2 = select i1 %c1, i32 %z2a, i32 %x2
38 %g3a = getelementptr inbounds i8, ptr %pin, i64 5
39 %l3a = load i8, ptr %g3a, align 1
40 %z3a = zext i8 %l3a to i32
41 %g3b = getelementptr inbounds i8, ptr %pin, i64 6
42 %l3b = load i8, ptr %g3b, align 1
43 %z3b = zext i8 %l3b to i32
44 %x3 = xor i32 %z3a, %z3b
45 %s3 = select i1 %c1, i32 %z3a, i32 %x3
47 %c3 = icmp ne i8 %l1a, 0
48 %c4 = icmp ne i8 %l2a, 0
50 %s4 = select i1 %c3, i32 %s1, i32 %s2
51 %s5 = select i1 %c4, i32 %s4, i32 %s3
56 attributes #0 = { nounwind ssp uwtable }