xref: /llvm-project/llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.mir (revision ff9af4c43ad71eeba2cabe99609cfaa0fd54c1d0) 
1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=mips-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
3--- |
4  ; ModuleID = '../llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.ll'
5  source_filename = "../llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.ll"
6  target datalayout = "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
7  target triple = "mipsel-pc-linux-gnu"
8
9  declare void @llvm.memcpy.inline.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64 immarg, i1 immarg) #0
10
11  define void @test_memcpy_inline(ptr nocapture %dst, ptr nocapture readonly %src) local_unnamed_addr {
12  entry:
13    %0 = bitcast ptr %dst to ptr
14    %1 = bitcast ptr %src to ptr
15    tail call void @llvm.memcpy.inline.p0.p0.i64(ptr align 4 %0, ptr align 4 %1, i64 2, i1 false)
16    ret void
17  }
18
19  attributes #0 = { argmemonly nofree nounwind willreturn }
20
21...
22---
23name:            test_memcpy_inline
24alignment:       4
25tracksRegLiveness: true
26registers:
27  - { id: 0, class: _ }
28  - { id: 1, class: _ }
29  - { id: 2, class: _ }
30  - { id: 3, class: _ }
31liveins:
32  - { reg: '$a0' }
33  - { reg: '$a1' }
34frameInfo:
35  maxAlignment:    1
36machineFunctionInfo: {}
37body:             |
38  bb.1.entry:
39    liveins: $a0, $a1
40
41    ; MIPS32-LABEL: name: test_memcpy_inline
42    ; MIPS32: liveins: $a0, $a1
43    ; MIPS32: [[COPY:%[0-9]+]]:_(p0) = COPY $a0
44    ; MIPS32: [[COPY1:%[0-9]+]]:_(p0) = COPY $a1
45    ; MIPS32: [[LOAD:%[0-9]+]]:_(s8) = G_LOAD [[COPY1]](p0) :: (load (s8) from %ir.1, align 4)
46    ; MIPS32: G_STORE [[LOAD]](s8), [[COPY]](p0) :: (store (s8) into %ir.0, align 4)
47    ; MIPS32: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
48    ; MIPS32: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY1]], [[C]](s32)
49    ; MIPS32: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p0) :: (load (s8) from %ir.1 + 1, basealign 4)
50    ; MIPS32: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[C]](s32)
51    ; MIPS32: G_STORE [[LOAD1]](s8), [[PTR_ADD1]](p0) :: (store (s8) into %ir.0 + 1, basealign 4)
52    ; MIPS32: RetRA
53    %0:_(p0) = COPY $a0
54    %1:_(p0) = COPY $a1
55    %2:_(s64) = G_CONSTANT i64 2
56    %3:_(s32) = G_TRUNC %2(s64)
57    G_MEMCPY_INLINE %0(p0), %1(p0), %3(s32) :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4)
58    RetRA
59
60...
61