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TheRock/compiler/amd-llvm/llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.mir
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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -O0 -mtriple=mipsel-linux-gnu -run-pass=mips-prelegalizer-combiner -verify-machineinstrs %s -o - | FileCheck %s -check-prefixes=MIPS32
--- |
; ModuleID = '../llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.ll'
source_filename = "../llvm/test/CodeGen/Mips/GlobalISel/mips-prelegalizer-combiner/inline-memcpy.ll"
target datalayout = "e-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
target triple = "mipsel-pc-linux-gnu"
declare void @llvm.memcpy.inline.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64 immarg, i1 immarg) #0
define void @test_memcpy_inline(ptr nocapture %dst, ptr nocapture readonly %src) local_unnamed_addr {
entry:
%0 = bitcast ptr %dst to ptr
%1 = bitcast ptr %src to ptr
tail call void @llvm.memcpy.inline.p0.p0.i64(ptr align 4 %0, ptr align 4 %1, i64 2, i1 false)
ret void
}
attributes #0 = { argmemonly nofree nounwind willreturn }
...
---
name: test_memcpy_inline
alignment: 4
tracksRegLiveness: true
registers:
- { id: 0, class: _ }
- { id: 1, class: _ }
- { id: 2, class: _ }
- { id: 3, class: _ }
liveins:
- { reg: '$a0' }
- { reg: '$a1' }
frameInfo:
maxAlignment: 1
machineFunctionInfo: {}
body: |
bb.1.entry:
liveins: $a0, $a1
; MIPS32-LABEL: name: test_memcpy_inline
; MIPS32: liveins: $a0, $a1
; MIPS32-NEXT: {{ $}}
; MIPS32-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $a0
; MIPS32-NEXT: [[COPY1:%[0-9]+]]:_(p0) = COPY $a1
; MIPS32-NEXT: [[LOAD:%[0-9]+]]:_(s8) = G_LOAD [[COPY1]](p0) :: (load (s8) from %ir.1, align 4)
; MIPS32-NEXT: G_STORE [[LOAD]](s8), [[COPY]](p0) :: (store (s8) into %ir.0, align 4)
; MIPS32-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 1
; MIPS32-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = nuw inbounds G_PTR_ADD [[COPY1]], [[C]](s32)
; MIPS32-NEXT: [[LOAD1:%[0-9]+]]:_(s8) = G_LOAD [[PTR_ADD]](p0) :: (load (s8) from %ir.1 + 1, basealign 4)
; MIPS32-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = nuw inbounds G_PTR_ADD [[COPY]], [[C]](s32)
; MIPS32-NEXT: G_STORE [[LOAD1]](s8), [[PTR_ADD1]](p0) :: (store (s8) into %ir.0 + 1, basealign 4)
; MIPS32-NEXT: RetRA
%0:_(p0) = COPY $a0
%1:_(p0) = COPY $a1
%2:_(s64) = G_CONSTANT i64 2
%3:_(s32) = G_TRUNC %2(s64)
G_MEMCPY_INLINE %0(p0), %1(p0), %3(s32) :: (store (s8) into %ir.0, align 4), (load (s8) from %ir.1, align 4)
RetRA
...