llvm-project/llvm/test/Transforms/DeadArgElim/byref.ll

23 lines
610 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -deadargelim -S | FileCheck %s
declare void @sideeffect()
define void @unused_byref_arg(i32* byref(i32) %dead_arg) {
; CHECK-LABEL: @unused_byref_arg(
; CHECK-NEXT: tail call void @sideeffect()
; CHECK-NEXT: ret void
;
tail call void @sideeffect()
ret void
}
define void @dont_replace_by_undef(i32* %ptr) {
; CHECK-LABEL: @dont_replace_by_undef(
; CHECK-NEXT: call void @unused_byref_arg(i32* byref(i32) undef)
; CHECK-NEXT: ret void
;
call void @unused_byref_arg(i32* byref(i32) %ptr)
ret void
}