xref: /llvm-project/llvm/test/CodeGen/AArch64/ldp-stp-unknown-size.mir (revision ea23761429faa4e61d7a601da9a313dfdc058cb0) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 4
2# RUN: llc -O2 -mtriple=aarch64 -mcpu=ampere1 -simplify-mir -o - %s -run-pass=aarch64-ldst-opt | FileCheck %s --check-prefixes=CHECK
3# RUN: llc -O2 -mtriple=aarch64 -simplify-mir -o - %s -run-pass=aarch64-ldst-opt | FileCheck %s --check-prefixes=CHECK-DEFAULT
4
5--- |
6  define i32 @ldp_no_size_info(ptr %0) #0 {
7    %2 = ptrtoint ptr %0 to i64
8    %3 = and i64 %2, -64
9    %4 = inttoptr i64 %3 to ptr
10    %5 = load i32, ptr %4, align 4
11    %6 = getelementptr inbounds i32, ptr %4, i64 1
12    %7 = load i32, ptr %6, align 4
13    %8 = add nsw i32 %7, %5
14    ret i32 %8
15  }
16
17...
18---
19name:            ldp_no_size_info
20alignment:       64
21tracksRegLiveness: true
22tracksDebugUserValues: true
23liveins:
24  - { reg: '$x0' }
25frameInfo:
26  maxAlignment:    1
27  maxCallFrameSize: 0
28machineFunctionInfo:
29  hasRedZone:      false
30body:             |
31  bb.0 (%ir-block.1):
32    liveins: $x0
33
34    ; CHECK-LABEL: name: ldp_no_size_info
35    ; CHECK: liveins: $x0
36    ; CHECK-NEXT: {{  $}}
37    ; CHECK-NEXT: renamable $x8 = ANDXri killed renamable $x0, 7865
38    ; CHECK-NEXT: renamable $w9 = LDRWui renamable $x8, 0 :: (load unknown-size from %ir.4, align 1)
39    ; CHECK-NEXT: renamable $w8 = LDRWui killed renamable $x8, 1 :: (load unknown-size from %ir.6, align 1)
40    ; CHECK-NEXT: $w0 = ADDWrs killed renamable $w8, killed renamable $w9, 0
41    ; CHECK-NEXT: RET undef $lr, implicit $w0
42    ;
43    ; CHECK-DEFAULT-LABEL: name: ldp_no_size_info
44    ; CHECK-DEFAULT: liveins: $x0
45    ; CHECK-DEFAULT-NEXT: {{  $}}
46    ; CHECK-DEFAULT-NEXT: renamable $x8 = ANDXri killed renamable $x0, 7865
47    ; CHECK-DEFAULT-NEXT: renamable $w9, renamable $w8 = LDPWi renamable $x8, 0 :: (load unknown-size from %ir.4, align 1), (load unknown-size from %ir.6, align 1)
48    ; CHECK-DEFAULT-NEXT: $w0 = ADDWrs killed renamable $w8, killed renamable $w9, 0
49    ; CHECK-DEFAULT-NEXT: RET undef $lr, implicit $w0
50    renamable $x8 = ANDXri killed renamable $x0, 7865
51    renamable $w9 = LDRWui renamable $x8, 0 :: (load unknown-size from %ir.4)
52    renamable $w8 = LDRWui killed renamable $x8, 1 :: (load unknown-size from %ir.6)
53    $w0 = ADDWrs killed renamable $w8, killed renamable $w9, 0
54    RET undef $lr, implicit $w0
55
56...
57