blob: 35719b8f4ca38719dc0825d5bf101cb43c8deb9e [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -S -basic-aa -memcpyopt -enable-memcpyopt-memoryssa=0 | FileCheck %s
; RUN: opt < %s -S -basic-aa -memcpyopt -enable-memcpyopt-memoryssa=1 -verify-memoryssa | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
%T = type { i64, i64 }
define void @test(i8* %src) {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[TMP:%.*]] = alloca i8, align 1
; CHECK-NEXT: [[DST:%.*]] = alloca i8, align 1
; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST]], i8* align 8 [[SRC:%.*]], i64 1, i1 false)
; CHECK-NEXT: ret void
;
%tmp = alloca i8
%dst = alloca i8
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %tmp, i8* align 8 %src, i64 1, i1 false), !noalias !2
call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %tmp, i64 1, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i1)
; Check that the noalias for "dst" was removed by checking that the metadata is gone
; CHECK-NOT: "dst"
!0 = !{!0}
!1 = distinct !{!1, !0, !"dst"}
!2 = distinct !{!1}