llvm-project/llvm/test/Transforms/DCE/basic-preservation.ll
Tyker 3bdfa966ec [AssumeBundles] preserve knowledge in DCE
Reviewers: jdoerfert

Reviewed By: jdoerfert

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D77403
2020-04-14 12:48:15 +02:00

12 lines
377 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -dce -S --enable-knowledge-retention < %s | FileCheck %s
define void @test(i32* %P) {
; CHECK-LABEL: @test(
; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(i32* [[P:%.*]], i64 4), "nonnull"(i32* [[P]]) ]
; CHECK-NEXT: ret void
;
%a = load i32, i32* %P
ret void
}