xref: /llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/select-blockaddress.mir (revision 1ee315ae7964c8433b772e0b5d667834994ba753)
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select %s | FileCheck %s
3# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select -code-model=large %s | FileCheck %s --check-prefix=LARGE
4# RUN: llc -mtriple=aarch64-unknown-unknown -o - -verify-machineinstrs -run-pass=instruction-select -code-model=large -relocation-model=pic %s | FileCheck %s --check-prefix=LARGE-PIC
5--- |
6  source_filename = "blockaddress.ll"
7  target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
8  target triple = "aarch64-none-linux-gnu"
9
10  @addr = dso_local global ptr null
11
12  define dso_local void @test_blockaddress() {
13    store ptr blockaddress(@test_blockaddress, %block), ptr @addr
14    indirectbr ptr blockaddress(@test_blockaddress, %block), [label %block]
15
16  block:                                            ; preds = %0
17    ret void
18  }
19
20...
21---
22name:            test_blockaddress
23alignment:       4
24legalized:       true
25regBankSelected: true
26tracksRegLiveness: true
27registers:
28  - { id: 0, class: gpr }
29  - { id: 1, class: gpr }
30body:             |
31  ; CHECK-LABEL: name: test_blockaddress
32  ; CHECK: bb.0 (%ir-block.0):
33  ; CHECK-NEXT:   [[MOVaddrBA:%[0-9]+]]:gpr64common = MOVaddrBA target-flags(aarch64-page) blockaddress(@test_blockaddress, %ir-block.block), target-flags(aarch64-pageoff, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block)
34  ; CHECK-NEXT:   [[MOVaddr:%[0-9]+]]:gpr64common = MOVaddr target-flags(aarch64-page) @addr, target-flags(aarch64-pageoff, aarch64-nc) @addr
35  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr64 = COPY [[MOVaddrBA]]
36  ; CHECK-NEXT:   STRXui [[COPY]], [[MOVaddr]], 0 :: (store (p0) into @addr)
37  ; CHECK-NEXT:   BR [[MOVaddrBA]]
38  ; CHECK-NEXT: {{  $}}
39  ; CHECK-NEXT: bb.1.block (ir-block-address-taken %ir-block.block):
40  ;
41  ; LARGE-LABEL: name: test_blockaddress
42  ; LARGE: bb.0 (%ir-block.0):
43  ; LARGE-NEXT:   [[MOVZXi:%[0-9]+]]:gpr64 = MOVZXi target-flags(aarch64-g0, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 0
44  ; LARGE-NEXT:   [[MOVKXi:%[0-9]+]]:gpr64 = MOVKXi [[MOVZXi]], target-flags(aarch64-g1, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 16
45  ; LARGE-NEXT:   [[MOVKXi1:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi]], target-flags(aarch64-g2, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block), 32
46  ; LARGE-NEXT:   [[MOVKXi2:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi1]], target-flags(aarch64-g3) blockaddress(@test_blockaddress, %ir-block.block), 48
47  ; LARGE-NEXT:   [[MOVZXi1:%[0-9]+]]:gpr64 = MOVZXi target-flags(aarch64-g0, aarch64-nc) @addr, 0
48  ; LARGE-NEXT:   [[MOVKXi3:%[0-9]+]]:gpr64 = MOVKXi [[MOVZXi1]], target-flags(aarch64-g1, aarch64-nc) @addr, 16
49  ; LARGE-NEXT:   [[MOVKXi4:%[0-9]+]]:gpr64 = MOVKXi [[MOVKXi3]], target-flags(aarch64-g2, aarch64-nc) @addr, 32
50  ; LARGE-NEXT:   [[MOVKXi5:%[0-9]+]]:gpr64common = MOVKXi [[MOVKXi4]], target-flags(aarch64-g3) @addr, 48
51  ; LARGE-NEXT:   STRXui [[MOVKXi2]], [[MOVKXi5]], 0 :: (store (p0) into @addr)
52  ; LARGE-NEXT:   BR [[MOVKXi2]]
53  ; LARGE-NEXT: {{  $}}
54  ; LARGE-NEXT: bb.1.block (ir-block-address-taken %ir-block.block):
55  ;
56  ; LARGE-PIC-LABEL: name: test_blockaddress
57  ; LARGE-PIC: bb.0 (%ir-block.0):
58  ; LARGE-PIC-NEXT:   [[MOVaddrBA:%[0-9]+]]:gpr64common = MOVaddrBA target-flags(aarch64-page) blockaddress(@test_blockaddress, %ir-block.block), target-flags(aarch64-pageoff, aarch64-nc) blockaddress(@test_blockaddress, %ir-block.block)
59  ; LARGE-PIC-NEXT:   [[MOVaddr:%[0-9]+]]:gpr64common = MOVaddr target-flags(aarch64-page) @addr, target-flags(aarch64-pageoff, aarch64-nc) @addr
60  ; LARGE-PIC-NEXT:   [[COPY:%[0-9]+]]:gpr64 = COPY [[MOVaddrBA]]
61  ; LARGE-PIC-NEXT:   STRXui [[COPY]], [[MOVaddr]], 0 :: (store (p0) into @addr)
62  ; LARGE-PIC-NEXT:   BR [[MOVaddrBA]]
63  ; LARGE-PIC-NEXT: {{  $}}
64  ; LARGE-PIC-NEXT: bb.1.block (ir-block-address-taken %ir-block.block):
65  bb.1 (%ir-block.0):
66    %0:gpr(p0) = G_BLOCK_ADDR blockaddress(@test_blockaddress, %ir-block.block)
67    %1:gpr(p0) = G_GLOBAL_VALUE @addr
68    G_STORE %0(p0), %1(p0) :: (store (p0) into @addr)
69    G_BRINDIRECT %0(p0)
70
71  bb.2.block (ir-block-address-taken %ir-block.block):
72    RET_ReallyLR
73
74...
75