xref: /llvm-project/llvm/test/Analysis/BlockFrequencyInfo/double_backedge.ll (revision 50153213c80286c6c91da4612aaf234cc6438c63)
1*28a93274SXinliang David Li; RUN: opt < %s -passes='print<block-freq>' -disable-output 2>&1 | FileCheck %s
2cb7d29d3SDuncan P. N. Exon Smith
3cb7d29d3SDuncan P. N. Exon Smithdefine void @double_backedge(i1 %x) {
4cb7d29d3SDuncan P. N. Exon Smith; CHECK-LABEL: Printing analysis {{.*}} for function 'double_backedge':
5cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: block-frequency-info: double_backedge
6cb7d29d3SDuncan P. N. Exon Smithentry:
7cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: entry: float = 1.0, int = [[ENTRY:[0-9]+]]
8cb7d29d3SDuncan P. N. Exon Smith  br label %loop
9cb7d29d3SDuncan P. N. Exon Smith
10cb7d29d3SDuncan P. N. Exon Smithloop:
11cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: loop: float = 10.0,
12cb7d29d3SDuncan P. N. Exon Smith  br i1 %x, label %exit, label %loop.1, !prof !0
13cb7d29d3SDuncan P. N. Exon Smith
14cb7d29d3SDuncan P. N. Exon Smithloop.1:
15cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: loop.1: float = 9.0,
16cb7d29d3SDuncan P. N. Exon Smith  br i1 %x, label %loop, label %loop.2, !prof !1
17cb7d29d3SDuncan P. N. Exon Smith
18cb7d29d3SDuncan P. N. Exon Smithloop.2:
19cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: loop.2: float = 5.0,
20cb7d29d3SDuncan P. N. Exon Smith  br label %loop
21cb7d29d3SDuncan P. N. Exon Smith
22cb7d29d3SDuncan P. N. Exon Smithexit:
23cb7d29d3SDuncan P. N. Exon Smith; CHECK-NEXT: exit: float = 1.0, int = [[ENTRY]]
24cb7d29d3SDuncan P. N. Exon Smith  ret void
25cb7d29d3SDuncan P. N. Exon Smith}
26be7ea19bSDuncan P. N. Exon Smith!0 = !{!"branch_weights", i32 1, i32 9}
27be7ea19bSDuncan P. N. Exon Smith!1 = !{!"branch_weights", i32 4, i32 5}
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