| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-knowledge-retention -S | FileCheck %s |
| |
| target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128" |
| |
| define void @test1(ptr %Q, ptr %P) { |
| ; CHECK-LABEL: @test1( |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(ptr [[Q:%.*]], i64 4), "nonnull"(ptr [[Q]]), "align"(ptr [[Q]], i64 4) ] |
| ; CHECK-NEXT: call void @llvm.assume(i1 true) [ "dereferenceable"(ptr [[P:%.*]], i64 4), "nonnull"(ptr [[P]]), "align"(ptr [[P]], i64 4) ] |
| ; CHECK-NEXT: store i32 0, ptr [[P]], align 4 |
| ; CHECK-NEXT: ret void |
| ; |
| %DEAD = load i32, ptr %Q |
| store i32 %DEAD, ptr %P |
| store i32 0, ptr %P |
| ret void |
| } |
