llvm/test/Transforms/InferAlignment/memintrinsics.ll

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
; RUN: opt < %s -passes=infer-alignment -S | FileCheck %s

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1)
declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)

define void @memcpy(i64 %len) {
; CHECK-LABEL: define void @memcpy(
; CHECK-SAME: i64 [[LEN:%.*]]) {
; CHECK-NEXT:    [[DST:%.*]] = alloca [64 x i8], align 32
; CHECK-NEXT:    [[SRC:%.*]] = alloca [64 x i8], align 16
; CHECK-NEXT:    call void @llvm.memcpy.p0.p0.i64(ptr align 32 [[DST]], ptr align 16 [[SRC]], i64 [[LEN]], i1 false)
; CHECK-NEXT:    ret void
;
  %dst = alloca [64 x i8], align 32
  %src = alloca [64 x i8], align 16
  call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %len, i1 false)
  ret void
}

define void @memmove(i64 %len) {
; CHECK-LABEL: define void @memmove(
; CHECK-SAME: i64 [[LEN:%.*]]) {
; CHECK-NEXT:    [[DST:%.*]] = alloca [64 x i8], align 64
; CHECK-NEXT:    [[SRC:%.*]] = alloca [64 x i8], align 8
; CHECK-NEXT:    call void @llvm.memmove.p0.p0.i64(ptr align 64 [[DST]], ptr align 8 [[SRC]], i64 [[LEN]], i1 false)
; CHECK-NEXT:    ret void
;
  %dst = alloca [64 x i8], align 64
  %src = alloca [64 x i8], align 8
  call void @llvm.memmove.p0.p0.i64(ptr %dst, ptr %src, i64 %len, i1 false)
  ret void
}

define void @memset(i64 %len) {
; CHECK-LABEL: define void @memset(
; CHECK-SAME: i64 [[LEN:%.*]]) {
; CHECK-NEXT:    [[DST:%.*]] = alloca [64 x i8], align 32
; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr align 32 [[DST]], i8 0, i64 [[LEN]], i1 false)
; CHECK-NEXT:    ret void
;
  %dst = alloca [64 x i8], align 32
  call void @llvm.memset.p0.i64(ptr %dst, i8 0, i64 %len, i1 false)
  ret void
}