xref: /llvm-project/llvm/test/Analysis/BranchProbabilityInfo/deopt-intrinsic.ll (revision bb6497ffa6a88d1b3a32101d9b6519094d75ef2a)
1; RUN: opt < %s -passes='print<branch-prob>' -disable-output 2>&1 | FileCheck %s
2
3declare i32 @llvm.experimental.deoptimize.i32(...)
4
5define i32 @test1(i32 %a, i32 %b) {
6; CHECK-LABEL: Printing analysis {{.*}} for function 'test1':
7entry:
8  %cond = icmp eq i32 %a, 42
9  br i1 %cond, label %exit, label %deopt
10
11; CHECK:  edge %entry -> %exit probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge]
12; CHECK:  edge %entry -> %deopt probability is 0x00000000 / 0x80000000 = 0.00%
13
14deopt:
15  %rval = call i32(...) @llvm.experimental.deoptimize.i32() [ "deopt"() ]
16  ret i32 %rval
17
18exit:
19  ret i32 %b
20}
21