xref: /llvm-project/llvm/test/Transforms/DeadStoreElimination/stats.ll (revision f497a00da968b0ff90d8c98caa184d14b9a92495)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=dse -stats -S 2>&1 | FileCheck %s
3
4; REQUIRES: asserts
5
6target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
7
8
9define void @test2(ptr noalias %P, ptr noalias %C, i1 %c) {
10; CHECK-LABEL: @test2(
11; CHECK-NEXT:    br i1 [[C:%.*]], label [[BB1:%.*]], label [[BB2:%.*]]
12; CHECK:       bb1:
13; CHECK-NEXT:    store i32 3, ptr [[C:%.*]]
14; CHECK-NEXT:    br label [[BB3:%.*]]
15; CHECK:       bb2:
16; CHECK-NEXT:    store i32 4, ptr [[C]]
17; CHECK-NEXT:    br label [[BB3]]
18; CHECK:       bb3:
19; CHECK-NEXT:    store i32 0, ptr [[P:%.*]]
20; CHECK-NEXT:    ret void
21;
22  store i32 1, ptr %P
23  br i1 %c, label %bb1, label %bb2
24bb1:
25  store i32 3, ptr %C
26  br label %bb3
27bb2:
28  store i32 4, ptr %C
29  br label %bb3
30bb3:
31  store i32 0, ptr %P
32  ret void
33}
34
35; CHECK: 1 dse - Number of stores deleted
36; CHECK: 3 dse - Number of stores remaining after DSE
37