1 ; RUN: opt < %s -memcpyopt -S | FileCheck %s 2 3 target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" 4 5 ; CHECK-LABEL: @foo( 6 ; CHECK-NOT: store 7 ; CHECK: call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 8, i32 2, i1 false) 8 9 define void @foo(i64* nocapture %P) { 10 entry: 11 %0 = bitcast i64* %P to i16* 12 %arrayidx = getelementptr inbounds i16, i16* %0, i64 1 13 %1 = bitcast i16* %arrayidx to i32* 14 %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3 15 store i16 0, i16* %0, align 2 16 store i32 0, i32* %1, align 4 17 store i16 0, i16* %arrayidx1, align 2 18 ret void 19 } 20 21
