1
; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s
3
; Test load/store of global value from global offset table.
4
@seed = common global i64 0, align 8
6
define void @Initrand() nounwind {
9
; CHECK: adrp [[REG:x[0-9]+]], _seed@GOTPAGE
10
; CHECK: ldr [[REG2:x[0-9]+]], {{\[}}[[REG]], _seed@GOTPAGEOFF{{\]}}
11
; CHECK: str {{x[0-9]+}}, {{\[}}[[REG2]]{{\]}}
12
store i64 74755, i64* @seed, align 8
16
define i32 @Rand() nounwind {
19
; CHECK: adrp [[REG1:x[0-9]+]], _seed@GOTPAGE
20
; CHECK: ldr [[REG2:x[0-9]+]], {{\[}}[[REG1]], _seed@GOTPAGEOFF{{\]}}
21
; CHECK: movz [[REG3:x[0-9]+]], #0x3619
22
; CHECK: movz [[REG4:x[0-9]+]], #0x51d
23
; CHECK: ldr [[REG5:x[0-9]+]], {{\[}}[[REG2]]{{\]}}
24
; CHECK: mul [[REG6:x[0-9]+]], [[REG5]], [[REG4]]
25
; CHECK: add [[REG7:x[0-9]+]], [[REG6]], [[REG3]]
26
; CHECK: and [[REG8:x[0-9]+]], [[REG7]], #0xffff
27
; CHECK: str [[REG8]], {{\[}}[[REG1]]{{\]}}
28
; CHECK: ldr {{x[0-9]+}}, {{\[}}[[REG1]]{{\]}}
29
%0 = load i64, i64* @seed, align 8
30
%mul = mul nsw i64 %0, 1309
31
%add = add nsw i64 %mul, 13849
32
%and = and i64 %add, 65535
33
store i64 %and, i64* @seed, align 8
34
%1 = load i64, i64* @seed, align 8
35
%conv = trunc i64 %1 to i32