xref: /llvm-project/llvm/test/Transforms/PhaseOrdering/pr45687.ll (revision 20cf4f8af8da9ad758bbb7972e5aa9cae6c5f995)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s
3
4define void @PR45687(i32 %0)  {
5; CHECK-LABEL: @PR45687(
6; CHECK-NEXT:    [[TMP2:%.*]] = add i32 [[TMP0:%.*]], 1
7; CHECK-NEXT:    [[TMP3:%.*]] = icmp ult i32 [[TMP2]], 3
8; CHECK-NEXT:    tail call void @llvm.assume(i1 [[TMP3]])
9; CHECK-NEXT:    ret void
10;
11  %2 = add i32 %0, 1
12  %3 = icmp ult i32 %2, 3
13  tail call void @llvm.assume(i1 %3)
14  %4 = icmp slt i32 %0, 0
15  %5 = sub nsw i32 0, %0
16  %6 = select i1 %4, i32 %5, i32 %0
17  %7 = icmp sgt i32 %6, 1
18  br i1 %7, label %8, label %9
198:
20  tail call void @g()
21  br label %9
229:
23  ret void
24}
25
26declare void @llvm.assume(i1)
27
28declare void @g()
29