| ; RUN: llc -o - %s | FileCheck %s |
| ; RUN: llc -global-isel -o - %s | FileCheck %s |
| target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" |
| target triple = "arm64-apple-macosx15.0.0" |
| |
| define ptr @test() { |
| ; CHECK-LABEL: test: |
| ; CHECK: bl _bzero |
| %1 = tail call ptr @fn(i32 noundef 1) #3 |
| tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(1000) %1, i8 noundef 0, i64 noundef 1000, i1 noundef false) #3 |
| ret ptr %1 |
| } |
| |
| declare ptr @fn(i32 noundef) |
| |
| ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write) |
| declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2 |
| |
| attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) } |
| attributes #3 = { nounwind optsize } |
