xref: /llvm-project/llvm/test/Transforms/InstCombine/pr77064.ll (revision a001e9718fd974859f2797a9f9ed7bf87d364e4f) 
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
2; RUN: opt -S -passes=instcombine < %s | FileCheck %s
3
4define void @main(ptr %ptr) {
5; CHECK-LABEL: define void @main(
6; CHECK-SAME: ptr [[PTR:%.*]]) {
7; CHECK-NEXT:    [[OPENDIR:%.*]] = call fastcc ptr @opendir(ptr [[PTR]])
8; CHECK-NEXT:    call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(596) [[OPENDIR]], i8 0, i64 596, i1 false)
9; CHECK-NEXT:    ret void
10;
11  %opendir = call fastcc ptr @opendir(ptr %ptr)
12  %memset = call ptr @__memset_chk(ptr %opendir, i32 0, i64 596, i64 -1)
13  ret void
14}
15
16declare ptr @__memset_chk(ptr, i32, i64, i64)
17
18declare fastcc ptr @opendir(ptr)
19