1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-linux-gnu -mcpu=atom | FileCheck %s
3; <rdar://problem/8006248>
4
5; This randomly started passing after an unrelated change, if it fails again it
6; might be worth looking at PR12324: misched bringup.
7
8@llvm.used = appending global [1 x i8*] [i8* bitcast (void ([40 x i16]*, i32*, i16**, i64*)* @func to i8*)], section "llvm.metadata"
9
10define void @func([40 x i16]* %a, i32* %b, i16** %c, i64* %d) nounwind {
11; CHECK-LABEL: func:
12; CHECK:       # %bb.0: # %entry
13; CHECK-NEXT:    movslq (%rsi), %rax
14; CHECK-NEXT:    movl $4, %esi
15; CHECK-NEXT:    subq %rax, %rsi
16; CHECK-NEXT:    movq (%rdx), %rax
17; CHECK-NEXT:    movswl 8(%rdi), %edx
18; CHECK-NEXT:    movabsq $5089792277106559579, %rdi # imm = 0x46A2931BF1768A5B
19; CHECK-NEXT:    movswl (%rax,%rsi,2), %eax
20; CHECK-NEXT:    movl $1, %esi
21; CHECK-NEXT:    imull %edx, %eax
22; CHECK-NEXT:    xorl %edx, %edx
23; CHECK-NEXT:    addl $2138875574, %eax # imm = 0x7F7CA6B6
24; CHECK-NEXT:    cmpl $-8608074, %eax # imm = 0xFF7CA6B6
25; CHECK-NEXT:    movslq %eax, %r8
26; CHECK-NEXT:    setl %dl
27; CHECK-NEXT:    cmpl $2138875573, %eax # imm = 0x7F7CA6B5
28; CHECK-NEXT:    movq %r8, %r9
29; CHECK-NEXT:    leal -1(%rdx,%rdx), %edx
30; CHECK-NEXT:    cmovlel %edx, %esi
31; CHECK-NEXT:    subq %rax, %r9
32; CHECK-NEXT:    addq %r8, %rdi
33; CHECK-NEXT:    xorl %eax, %eax
34; CHECK-NEXT:    cmpl $1, %esi
35; CHECK-NEXT:    cmovneq %rax, %r9
36; CHECK-NEXT:    testl %r8d, %r8d
37; CHECK-NEXT:    cmovnsq %rax, %r9
38; CHECK-NEXT:    movabsq $-5089792279245435153, %rax # imm = 0xB95D6CE38F0CCEEF
39; CHECK-NEXT:    subq %r9, %rdi
40; CHECK-NEXT:    addq (%rcx), %rdi
41; CHECK-NEXT:    addq %rdi, %rax
42; CHECK-NEXT:    movq %rax, (%rcx)
43; CHECK-NEXT:    retq
44entry:
45  %tmp103 = getelementptr inbounds [40 x i16], [40 x i16]* %a, i64 0, i64 4
46  %tmp104 = load i16, i16* %tmp103, align 2
47  %tmp105 = sext i16 %tmp104 to i32
48  %tmp106 = load i32, i32* %b, align 4
49  %tmp107 = sub nsw i32 4, %tmp106
50  %tmp108 = load i16*, i16** %c, align 8
51  %tmp109 = sext i32 %tmp107 to i64
52  %tmp110 = getelementptr inbounds i16, i16* %tmp108, i64 %tmp109
53  %tmp111 = load i16, i16* %tmp110, align 1
54  %tmp112 = sext i16 %tmp111 to i32
55  %tmp = mul i32 355244649, %tmp112
56  %tmp1 = mul i32 %tmp, %tmp105
57  %tmp2 = add i32 %tmp1, 2138875574
58  %tmp3 = add i32 %tmp2, 1546991088
59  %tmp4 = mul i32 %tmp3, 2122487257
60  %tmp5 = icmp sge i32 %tmp4, 2138875574
61  %tmp6 = icmp slt i32 %tmp4, -8608074
62  %tmp7 = or i1 %tmp5, %tmp6
63  %outSign = select i1 %tmp7, i32 1, i32 -1
64  %tmp8 = icmp slt i32 %tmp4, 0
65  %tmp9 = icmp eq i32 %outSign, 1
66  %tmp10 = and i1 %tmp8, %tmp9
67  %tmp11 = sext i32 %tmp4 to i64
68  %tmp12 = add i64 %tmp11, 5089792279245435153
69  %tmp13 = sub i64 %tmp12, 2138875574
70  %tmp14 = zext i32 %tmp4 to i64
71  %tmp15 = sub i64 %tmp11, %tmp14
72  %tmp16 = select i1 %tmp10, i64 %tmp15, i64 0
73  %tmp17 = sub i64 %tmp13, %tmp16
74  %tmp18 = mul i64 %tmp17, 4540133155013554595
75  %tmp19 = sub i64 %tmp18, 5386586244038704851
76  %tmp20 = add i64 %tmp19, -1368057358110947217
77  %tmp21 = mul i64 %tmp20, -422037402840850817
78  %tmp115 = load i64, i64* %d, align 8
79  %alphaX = mul i64 468858157810230901, %tmp21
80  %alphaXbetaY = add i64 %alphaX, %tmp115
81  %transformed = add i64 %alphaXbetaY, 9040145182981852475
82  store i64 %transformed, i64* %d, align 8
83  ret void
84}
85