1 ; RUN: opt -memcpyopt -S < %s | FileCheck %s 2 3 @cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4 4 5 declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 6 declare void @foo(i32*) nounwind 7 8 define void @test1() nounwind { 9 %arr = alloca [3 x i32], align 4 10 %arr_i8 = bitcast [3 x i32]* %arr to i8* 11 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %arr_i8, i8* bitcast ([3 x i32]* @cst to i8*), i64 12, i32 4, i1 false) 12 %arraydecay = getelementptr inbounds [3 x i32]* %arr, i64 0, i64 0 13 call void @foo(i32* %arraydecay) nounwind 14 ret void 15 ; CHECK: @test1 16 ; CHECK: call void @llvm.memset 17 ; CHECK-NOT: call void @llvm.memcpy 18 ; CHECK: ret void 19 } 20
