| ; RUN: opt -analyze -branch-prob < %s -enable-new-pm=0 | FileCheck %s |
| ; RUN: opt < %s -passes='print<branch-prob>' -disable-output 2>&1 | FileCheck %s |
| |
| declare i32 @llvm.experimental.deoptimize.i32(...) |
| |
| define i32 @test1(i32 %a, i32 %b) { |
| ; CHECK-LABEL: Printing analysis {{.*}} for function 'test1': |
| entry: |
| %cond = icmp eq i32 %a, 42 |
| br i1 %cond, label %exit, label %deopt |
| |
| ; CHECK: edge entry -> exit probability is 0x80000000 / 0x80000000 = 100.00% [HOT edge] |
| ; CHECK: edge entry -> deopt probability is 0x00000000 / 0x80000000 = 0.00% |
| |
| deopt: |
| %rval = call i32(...) @llvm.experimental.deoptimize.i32() [ "deopt"() ] |
| ret i32 %rval |
| |
| exit: |
| ret i32 %b |
| } |
