; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=0 | FileCheck %s ; RUN: opt < %s -memcpyopt -S -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" define void @foo(i64* nocapture %P) { ; CHECK-LABEL: @foo( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i64* [[P:%.*]] to i16* ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[TMP0]], i64 1 ; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[ARRAYIDX]] to i32* ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, i16* [[TMP0]], i64 3 ; CHECK-NEXT: [[TMP2:%.*]] = bitcast i16* [[TMP0]] to i8* ; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 2 [[TMP2]], i8 0, i64 8, i1 false) ; CHECK-NEXT: ret void ; entry: %0 = bitcast i64* %P to i16* %arrayidx = getelementptr inbounds i16, i16* %0, i64 1 %1 = bitcast i16* %arrayidx to i32* %arrayidx1 = getelementptr inbounds i16, i16* %0, i64 3 store i16 0, i16* %0, align 2 store i32 0, i32* %1, align 4 store i16 0, i16* %arrayidx1, align 2 ret void }