xref: /llvm-project/llvm/test/CodeGen/X86/absolute-rotate.ll (revision e4a4122eb6768b69640173b4c32fd88de4547227)
1; RUN: llc < %s | FileCheck %s
2; RUN: llc -relocation-model=pic < %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5target triple = "x86_64-unknown-linux-gnu"
6
7@align = external hidden global i8, !absolute_symbol !0
8
9declare void @f()
10
11define void @foo(i64 %val) {
12  %ext1 = zext i8 ptrtoint (ptr @align to i8) to i64
13  %shr = lshr i64 %val, %ext1
14  %ext2 = zext i8 sub (i8 64, i8 ptrtoint (ptr @align to i8)) to i64
15  %shl = shl i64 %val, %ext2
16  ; CHECK: rorq $align@ABS8, %rdi
17  %ror = or i64 %shr, %shl
18  %cmp = icmp ult i64 %ror, 109
19  br i1 %cmp, label %t, label %f
20
21t:
22  call void @f()
23  ret void
24
25f:
26  ret void
27}
28
29define void @bar(i64 %val) {
30  %ext1 = zext i8 ptrtoint (ptr @align to i8) to i64
31  %shr = shl i64 %val, %ext1
32  %ext2 = zext i8 sub (i8 64, i8 ptrtoint (ptr @align to i8)) to i64
33  %shl = lshr i64 %val, %ext2
34  ; CHECK: rolq $align@ABS8, %rdi
35  %rol = or i64 %shr, %shl
36  %cmp = icmp ult i64 %rol, 109
37  br i1 %cmp, label %t, label %f
38
39t:
40  call void @f()
41  ret void
42
43f:
44  ret void
45}
46
47!0 = !{i64 0, i64 128}
48