mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-28 04:33:05 +00:00
30 lines
1016 B
LLVM
30 lines
1016 B
LLVM
|
; RUN: llc < %s -mtriple=thumbv6m-eabi -verify-machineinstrs -o - | FileCheck %s
|
||
|
|
target datalayout = "e-m:e-p:32:32-i1:8:32-i8:8:32-i16:16:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||
|
|
target triple = "thumbv6m-none--eabi"
|
||
|
|
|
||
|
|
@a = external global i32*
|
||
|
|
@b = external global i32*
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
define void @foo() #0 {
|
||
|
|
entry:
|
||
|
|
; CHECK-LABEL: foo:
|
||
|
|
; CHECK: ldr r[[SB:[0-9]]], .LCPI
|
||
|
|
; CHECK: ldr r[[LB:[0-9]]], .LCPI
|
||
|
|
; CHECK: adds r[[NLB:[0-9]]], r[[LB]], #4
|
||
|
|
; CHECK-NEXT: ldm r[[NLB]],
|
||
|
|
; CHECK: adds r[[NSB:[0-9]]], r[[SB]], #4
|
||
|
|
; CHECK-NEXT: stm r[[NSB]]
|
||
|
|
%0 = load i32** @a, align 4
|
||
|
|
%arrayidx = getelementptr inbounds i32* %0, i32 1
|
||
|
|
%1 = bitcast i32* %arrayidx to i8*
|
||
|
|
%2 = load i32** @b, align 4
|
||
|
|
%arrayidx1 = getelementptr inbounds i32* %2, i32 1
|
||
|
|
%3 = bitcast i32* %arrayidx1 to i8*
|
||
|
|
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 24, i32 4, i1 false)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: nounwind
|
||
|
|
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
|