1*a001e971SNikita Popov; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 2*a001e971SNikita Popov; RUN: opt -S -passes=instcombine < %s | FileCheck %s 3*a001e971SNikita Popov 4*a001e971SNikita Popovdefine void @main(ptr %ptr) { 5*a001e971SNikita Popov; CHECK-LABEL: define void @main( 6*a001e971SNikita Popov; CHECK-SAME: ptr [[PTR:%.*]]) { 7*a001e971SNikita Popov; CHECK-NEXT: [[OPENDIR:%.*]] = call fastcc ptr @opendir(ptr [[PTR]]) 8*a001e971SNikita Popov; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(596) [[OPENDIR]], i8 0, i64 596, i1 false) 9*a001e971SNikita Popov; CHECK-NEXT: ret void 10*a001e971SNikita Popov; 11*a001e971SNikita Popov %opendir = call fastcc ptr @opendir(ptr %ptr) 12*a001e971SNikita Popov %memset = call ptr @__memset_chk(ptr %opendir, i32 0, i64 596, i64 -1) 13*a001e971SNikita Popov ret void 14*a001e971SNikita Popov} 15*a001e971SNikita Popov 16*a001e971SNikita Popovdeclare ptr @__memset_chk(ptr, i32, i64, i64) 17*a001e971SNikita Popov 18*a001e971SNikita Popovdeclare fastcc ptr @opendir(ptr) 19