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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
3; RUN: true
4; REQUIRES: asserts
5;
6; rdar:13279013: pre-RA-sched should not check all interferences and
7; repush them on the ready queue after scheduling each instruction.
8;
9; CHECK: *** List Scheduling
10; CHECK: Interfering reg EFLAGS
11; CHECK: Repushing
12; CHECK: Repushing
13; CHECK: Repushing
14; CHECK-NOT: Repushing
15; CHECK: *** Final schedule
16define i32 @test(i8* %pin) #0 {
17  %g0 = getelementptr inbounds i8, i8* %pin, i64 0
18  %l0 = load i8, i8* %g0, align 1
19
20  %g1a = getelementptr inbounds i8, i8* %pin, i64 1
21  %l1a = load i8, i8* %g1a, align 1
22  %z1a = zext i8 %l1a to i32
23  %g1b = getelementptr inbounds i8, i8* %pin, i64 2
24  %l1b = load i8, i8* %g1b, align 1
25  %z1b = zext i8 %l1b to i32
26  %c1 = icmp ne i8 %l0, 0
27  %x1 = xor i32 %z1a, %z1b
28  %s1 = select i1 %c1, i32 %z1a, i32 %x1
29
30  %g2a = getelementptr inbounds i8, i8* %pin, i64 3
31  %l2a = load i8, i8* %g2a, align 1
32  %z2a = zext i8 %l2a to i32
33  %g2b = getelementptr inbounds i8, i8* %pin, i64 4
34  %l2b = load i8, i8* %g2b, align 1
35  %z2b = zext i8 %l2b to i32
36  %x2 = xor i32 %z2a, %z2b
37  %s2 = select i1 %c1, i32 %z2a, i32 %x2
38
39  %g3a = getelementptr inbounds i8, i8* %pin, i64 5
40  %l3a = load i8, i8* %g3a, align 1
41  %z3a = zext i8 %l3a to i32
42  %g3b = getelementptr inbounds i8, i8* %pin, i64 6
43  %l3b = load i8, i8* %g3b, align 1
44  %z3b = zext i8 %l3b to i32
45  %x3 = xor i32 %z3a, %z3b
46  %s3 = select i1 %c1, i32 %z3a, i32 %x3
47
48  %c3 = icmp ne i8 %l1a, 0
49  %c4 = icmp ne i8 %l2a, 0
50
51  %s4 = select i1 %c3, i32 %s1, i32 %s2
52  %s5 = select i1 %c4, i32 %s4, i32 %s3
53
54  ret i32 %s5
55}
56
57attributes #0 = { nounwind ssp uwtable }
58