1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=instcombine -S < %s | FileCheck %s 3 4 5target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-unknown-linux-gnu" 7 8declare dso_local noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr 9declare i64 @llvm.objectsize.i64.p0(ptr, i1 immarg, i1 immarg, i1 immarg) 10declare noalias ptr @strdup(ptr); 11declare noalias ptr @__strdup(ptr); 12declare noalias ptr @strndup(ptr, i64); 13declare noalias ptr @__strndup(ptr, i64); 14 15@str = dso_local constant [11 x i8] c"toulbroc'h\00" 16 17define dso_local i64 @check_strdup(i32 noundef %n) local_unnamed_addr { 18; CHECK-LABEL: @check_strdup( 19; CHECK-NEXT: ret i64 11 20; 21 %ptr = call noalias ptr @strdup(ptr noundef @str) 22 %size = call i64 @llvm.objectsize.i64.p0(ptr %ptr, i1 false, i1 true, i1 false) 23 ret i64 %size 24} 25 26define dso_local i64 @check_dunder_strdup(i32 noundef %n) local_unnamed_addr { 27; CHECK-LABEL: @check_dunder_strdup( 28; CHECK-NEXT: ret i64 11 29; 30 %ptr = call noalias ptr @__strdup(ptr noundef @str) 31 %size = call i64 @llvm.objectsize.i64.p0(ptr %ptr, i1 false, i1 true, i1 false) 32 ret i64 %size 33} 34 35define dso_local i64 @check_strndup(i32 noundef %n) local_unnamed_addr { 36; CHECK-LABEL: @check_strndup( 37; CHECK-NEXT: ret i64 5 38; 39 %ptr = call noalias ptr @strndup(ptr noundef @str, i64 4) 40 %size = call i64 @llvm.objectsize.i64.p0(ptr %ptr, i1 false, i1 true, i1 false) 41 ret i64 %size 42} 43 44define dso_local i64 @check_dunder_strndup(i32 noundef %n) local_unnamed_addr { 45; CHECK-LABEL: @check_dunder_strndup( 46; CHECK-NEXT: ret i64 5 47; 48 %ptr = call noalias ptr @__strndup(ptr noundef @str, i64 4) 49 %size = call i64 @llvm.objectsize.i64.p0(ptr %ptr, i1 false, i1 true, i1 false) 50 ret i64 %size 51} 52