xref: /llvm-project/llvm/test/CodeGen/X86/zext-sext.ll (revision 189900eb149bb55ae3787346f57c1ccbdc50fb3c)
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 ptr] [ptr @func], section "llvm.metadata"
9
10define void @func(ptr %a, ptr %b, ptr %c, ptr %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:    movswl (%rax,%rsi,2), %eax
19; CHECK-NEXT:    imull %edx, %eax
20; CHECK-NEXT:    addl $2138875574, %eax # imm = 0x7F7CA6B6
21; CHECK-NEXT:    cmpl $2138875574, %eax # imm = 0x7F7CA6B6
22; CHECK-NEXT:    setl %dl
23; CHECK-NEXT:    cmpl $-8608074, %eax # imm = 0xFF7CA6B6
24; CHECK-NEXT:    setge %sil
25; CHECK-NEXT:    andb %dl, %sil
26; CHECK-NEXT:    movzbl %sil, %edx
27; CHECK-NEXT:    movslq %eax, %rsi
28; CHECK-NEXT:    movq %rsi, %rdi
29; CHECK-NEXT:    negl %edx
30; CHECK-NEXT:    subq %rax, %rdi
31; CHECK-NEXT:    xorl %eax, %eax
32; CHECK-NEXT:    testl $-2, %edx
33; CHECK-NEXT:    cmovneq %rax, %rdi
34; CHECK-NEXT:    testl %esi, %esi
35; CHECK-NEXT:    cmovnsq %rax, %rdi
36; CHECK-NEXT:    movq (%rcx), %rax
37; CHECK-NEXT:    subq %rdi, %rsi
38; CHECK-NEXT:    leaq -2138875574(%rax,%rsi), %rax
39; CHECK-NEXT:    movq %rax, (%rcx)
40; CHECK-NEXT:    retq
41entry:
42  %tmp103 = getelementptr inbounds [40 x i16], ptr %a, i64 0, i64 4
43  %tmp104 = load i16, ptr %tmp103, align 2
44  %tmp105 = sext i16 %tmp104 to i32
45  %tmp106 = load i32, ptr %b, align 4
46  %tmp107 = sub nsw i32 4, %tmp106
47  %tmp108 = load ptr, ptr %c, align 8
48  %tmp109 = sext i32 %tmp107 to i64
49  %tmp110 = getelementptr inbounds i16, ptr %tmp108, i64 %tmp109
50  %tmp111 = load i16, ptr %tmp110, align 1
51  %tmp112 = sext i16 %tmp111 to i32
52  %tmp = mul i32 355244649, %tmp112
53  %tmp1 = mul i32 %tmp, %tmp105
54  %tmp2 = add i32 %tmp1, 2138875574
55  %tmp3 = add i32 %tmp2, 1546991088
56  %tmp4 = mul i32 %tmp3, 2122487257
57  %tmp5 = icmp sge i32 %tmp4, 2138875574
58  %tmp6 = icmp slt i32 %tmp4, -8608074
59  %tmp7 = or i1 %tmp5, %tmp6
60  %outSign = select i1 %tmp7, i32 1, i32 -1
61  %tmp8 = icmp slt i32 %tmp4, 0
62  %tmp9 = icmp eq i32 %outSign, 1
63  %tmp10 = and i1 %tmp8, %tmp9
64  %tmp11 = sext i32 %tmp4 to i64
65  %tmp12 = add i64 %tmp11, 5089792279245435153
66  %tmp13 = sub i64 %tmp12, 2138875574
67  %tmp14 = zext i32 %tmp4 to i64
68  %tmp15 = sub i64 %tmp11, %tmp14
69  %tmp16 = select i1 %tmp10, i64 %tmp15, i64 0
70  %tmp17 = sub i64 %tmp13, %tmp16
71  %tmp18 = mul i64 %tmp17, 4540133155013554595
72  %tmp19 = sub i64 %tmp18, 5386586244038704851
73  %tmp20 = add i64 %tmp19, -1368057358110947217
74  %tmp21 = mul i64 %tmp20, -422037402840850817
75  %tmp115 = load i64, ptr %d, align 8
76  %alphaX = mul i64 468858157810230901, %tmp21
77  %alphaXbetaY = add i64 %alphaX, %tmp115
78  %transformed = add i64 %alphaXbetaY, 9040145182981852475
79  store i64 %transformed, ptr %d, align 8
80  ret void
81}
82