xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/arm64-fast-isel-gv.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Test load/store of global value from global offset table.
4*9880d681SAndroid Build Coastguard Worker@seed = common global i64 0, align 8
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerdefine void @Initrand() nounwind {
7*9880d681SAndroid Build Coastguard Workerentry:
8*9880d681SAndroid Build Coastguard Worker; CHECK: @Initrand
9*9880d681SAndroid Build Coastguard Worker; CHECK: adrp [[REG:x[0-9]+]], _seed@GOTPAGE
10*9880d681SAndroid Build Coastguard Worker; CHECK: ldr  [[REG2:x[0-9]+]], {{\[}}[[REG]], _seed@GOTPAGEOFF{{\]}}
11*9880d681SAndroid Build Coastguard Worker; CHECK: str  {{x[0-9]+}}, {{\[}}[[REG2]]{{\]}}
12*9880d681SAndroid Build Coastguard Worker  store i64 74755, i64* @seed, align 8
13*9880d681SAndroid Build Coastguard Worker  ret void
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine i32 @Rand() nounwind {
17*9880d681SAndroid Build Coastguard Workerentry:
18*9880d681SAndroid Build Coastguard Worker; CHECK: @Rand
19*9880d681SAndroid Build Coastguard Worker; CHECK: adrp [[REG1:x[0-9]+]], _seed@GOTPAGE
20*9880d681SAndroid Build Coastguard Worker; CHECK: ldr  [[REG2:x[0-9]+]], {{\[}}[[REG1]], _seed@GOTPAGEOFF{{\]}}
21*9880d681SAndroid Build Coastguard Worker; CHECK: mov  [[REG3:x[0-9]+]], #13849
22*9880d681SAndroid Build Coastguard Worker; CHECK: mov  [[REG4:x[0-9]+]], #1309
23*9880d681SAndroid Build Coastguard Worker; CHECK: ldr  [[REG5:x[0-9]+]], {{\[}}[[REG2]]{{\]}}
24*9880d681SAndroid Build Coastguard Worker; CHECK: mul  [[REG6:x[0-9]+]], [[REG5]], [[REG4]]
25*9880d681SAndroid Build Coastguard Worker; CHECK: add  [[REG7:x[0-9]+]], [[REG6]], [[REG3]]
26*9880d681SAndroid Build Coastguard Worker; CHECK: and  [[REG8:x[0-9]+]], [[REG7]], #0xffff
27*9880d681SAndroid Build Coastguard Worker; CHECK: str  [[REG8]], {{\[}}[[REG1]]{{\]}}
28*9880d681SAndroid Build Coastguard Worker; CHECK: ldr  {{x[0-9]+}}, {{\[}}[[REG1]]{{\]}}
29*9880d681SAndroid Build Coastguard Worker  %0 = load i64, i64* @seed, align 8
30*9880d681SAndroid Build Coastguard Worker  %mul = mul nsw i64 %0, 1309
31*9880d681SAndroid Build Coastguard Worker  %add = add nsw i64 %mul, 13849
32*9880d681SAndroid Build Coastguard Worker  %and = and i64 %add, 65535
33*9880d681SAndroid Build Coastguard Worker  store i64 %and, i64* @seed, align 8
34*9880d681SAndroid Build Coastguard Worker  %1 = load i64, i64* @seed, align 8
35*9880d681SAndroid Build Coastguard Worker  %conv = trunc i64 %1 to i32
36*9880d681SAndroid Build Coastguard Worker  ret i32 %conv
37*9880d681SAndroid Build Coastguard Worker}
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