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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=memcpyopt -S -verify-memoryssa | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
define void @test(ptr %src, i64 %size) {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[TMP:%.*]] = alloca i8, i64 [[SIZE:%.*]], align 1
; CHECK-NEXT: [[DST:%.*]] = alloca i8, i64 [[SIZE]], align 1
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP]], ptr align 8 [[SRC:%.*]], i64 [[SIZE]], i1 false)
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[DST]], ptr align 8 [[SRC]], i64 [[SIZE]], i1 false)
; CHECK-NEXT: ret void
;
%tmp = alloca i8, i64 %size
%dst = alloca i8, i64 %size
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp, ptr align 8 %src, i64 %size, i1 false)
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %dst, ptr align 8 %tmp, i64 %size, i1 false)
ret void
}
; Differing sizes, so left as it is.
define void @negative_test(ptr %src, i64 %size1, i64 %size2) {
; CHECK-LABEL: @negative_test(
; CHECK-NEXT: [[TMP:%.*]] = alloca i8, i64 [[SIZE1:%.*]], align 1
; CHECK-NEXT: [[DST:%.*]] = alloca i8, i64 [[SIZE2:%.*]], align 1
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[TMP]], ptr align 8 [[SRC:%.*]], i64 [[SIZE1]], i1 false)
; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[DST]], ptr align 8 [[TMP]], i64 [[SIZE2]], i1 false)
; CHECK-NEXT: ret void
;
%tmp = alloca i8, i64 %size1
%dst = alloca i8, i64 %size2
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %tmp, ptr align 8 %src, i64 %size1, i1 false)
call void @llvm.memcpy.p0.p0.i64(ptr align 8 %dst, ptr align 8 %tmp, i64 %size2, i1 false)
ret void
}
declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
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