diff options
Diffstat (limited to 'llvm/test/Analysis/BranchProbabilityInfo/basic.ll')
| -rw-r--r-- | llvm/test/Analysis/BranchProbabilityInfo/basic.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/Analysis/BranchProbabilityInfo/basic.ll b/llvm/test/Analysis/BranchProbabilityInfo/basic.ll index 64e0a82456f..8212cc47690 100644 --- a/llvm/test/Analysis/BranchProbabilityInfo/basic.ll +++ b/llvm/test/Analysis/BranchProbabilityInfo/basic.ll @@ -141,6 +141,24 @@ exit: ret i32 %result } +define i32 @test_cold_loop(i32 %a, i32 %b) { +entry: + %cond1 = icmp eq i32 %a, 42 + br i1 %cond1, label %header, label %exit + +header: + br label %body + +body: + %cond2 = icmp eq i32 %b, 42 + br i1 %cond2, label %header, label %exit +; CHECK: edge body -> header probability is 0x40000000 / 0x80000000 = 50.00% + +exit: + call void @coldfunc() + ret i32 %b +} + declare i32 @regular_function(i32 %i) define i32 @test_cold_call_sites_with_prof(i32 %a, i32 %b, i1 %flag, i1 %flag2) { |
