1; RUN: opt -debug-only=branch-prob -passes="require<branch-prob>,jump-threading" -S %s 2>&1 | FileCheck %s 2; RUN: opt -debug-only=branch-prob -passes=jump-threading -S %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOBPI 3; REQUIRES: asserts 4 5; Make sure that we set edge probabilities for bb2 as we 6; call DuplicateCondBranchOnPHIIntoPred(bb3, {bb2}). 7; 8; CHECK-LABEL: ---- Branch Probability Info : foo 9; CHECK: set edge bb2 -> 0 successor probability to 0x80000000 / 0x80000000 = 100.00% 10; CHECK-NEXT: set edge bb2 -> 1 successor probability to 0x00000000 / 0x80000000 = 0.00% 11; CHECK-NOBPI-NOT: ---- Branch Probability Info : foo 12define void @foo(i1 %f0, i1 %f1, i1 %f2) !prof !{!"function_entry_count", i64 0} { 13; CHECK-LABEL: @foo( 14bb1: 15 br i1 %f0, label %bb3, label %bb2 16 17bb2: 18; CHECK: bb2: 19; CHECK-NEXT: br i1 %f2, label %exit1, label %unreach 20 br label %bb3 21 22bb3: 23 %ph = phi i1 [ %f1, %bb1 ], [ %f2, %bb2 ] 24 br i1 %ph, label %exit1, label %unreach 25 26exit1: 27 ret void 28 29unreach: 30 unreachable 31} 32