1*9880d681SAndroid Build Coastguard Worker; RUN: opt -memcpyopt -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker@cst = internal constant [3 x i32] [i32 -1, i32 -1, i32 -1], align 4 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind 6*9880d681SAndroid Build Coastguard Workerdeclare void @foo(i32*) nounwind 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine void @test1() nounwind { 9*9880d681SAndroid Build Coastguard Worker %arr = alloca [3 x i32], align 4 10*9880d681SAndroid Build Coastguard Worker %arr_i8 = bitcast [3 x i32]* %arr to i8* 11*9880d681SAndroid Build Coastguard Worker 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*9880d681SAndroid Build Coastguard Worker %arraydecay = getelementptr inbounds [3 x i32], [3 x i32]* %arr, i64 0, i64 0 13*9880d681SAndroid Build Coastguard Worker call void @foo(i32* %arraydecay) nounwind 14*9880d681SAndroid Build Coastguard Worker ret void 15*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @test1( 16*9880d681SAndroid Build Coastguard Worker; CHECK: call void @llvm.memset 17*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: call void @llvm.memcpy 18*9880d681SAndroid Build Coastguard Worker; CHECK: ret void 19*9880d681SAndroid Build Coastguard Worker} 20