mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-24 22:32:47 +00:00
20 lines
696 B
LLVM
20 lines
696 B
LLVM
|
; RUN: opt -memcpyopt -S < %s | FileCheck %s
|
||
|
|
|
||
|
|
@cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4
|
||
|
|
|
||
|
|
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
|
||
|
|
declare void @foo(i32*) nounwind
|
||
|
|
|
||
|
|
define void @test1() nounwind {
|
||
|
|
%arr = alloca [3 x i32], align 4
|
||
|
|
%arr_i8 = bitcast [3 x i32]* %arr to i8*
|
||
|
|
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arr_i8, i8* bitcast ([3 x i32]* @cst to i8*), i64 12, i32 4, i1 false)
|
||
|
|
%arraydecay = getelementptr inbounds [3 x i32]* %arr, i64 0, i64 0
|
||
|
|
call void @foo(i32* %arraydecay) nounwind
|
||
|
|
ret void
|
||
|
|
; CHECK: @test1
|
||
|
|
; CHECK: call void @llvm.memset
|
||
|
|
; CHECK-NOT: call void @llvm.memcpy
|
||
|
|
; CHECK: ret void
|
||
|
|
}
|