1; RUN: opt < %s -passes='pseudo-probe,sample-profile,jump-threading,pseudo-probe-update' -sample-profile-file=%S/Inputs/pseudo-probe-update.prof -S | FileCheck %s 2 3declare i32 @f1() 4declare i32 @f2() 5declare void @f3() 6 7 8;; This tests that the branch in 'merge' can be cloned up into T1. 9define i32 @foo(i1 %cond, i1 %cond2) #0 { 10; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 1, i32 0, i64 -1) 11 br i1 %cond, label %T1, label %F1 12T1: 13; CHECK: %v1 = call i32 @f1(), !prof ![[#PROF1:]] 14 %v1 = call i32 @f1() 15; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 2, i32 0, i64 -1) 16;; The distribution factor -8513881372706734080 stands for 53.85%, whic is from 7/6+7. 17; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 6, i32 0, i64 -8513881372706734080) 18 %cond3 = icmp eq i32 %v1, 412 19 br label %Merge 20F1: 21; CHECK: %v2 = call i32 @f2(), !prof ![[#PROF2:]] 22 %v2 = call i32 @f2() 23; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 4, i32 0, i64 -1) 24;; The distribution factor 8513881922462547968 stands for 46.25%, which is from 6/6+7. 25; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 6, i32 0, i64 8513881922462547968) 26 br label %Merge 27Merge: 28 29 %A = phi i1 [%cond3, %T1], [%cond2, %F1] 30 %B = phi i32 [%v1, %T1], [%v2, %F1] 31 br i1 %A, label %T2, label %F2 32T2: 33; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 7, i32 0, i64 -1) 34 call void @f3() 35 ret i32 %B 36F2: 37; CHECK: call void @llvm.pseudoprobe(i64 [[#GUID:]], i64 9, i32 0, i64 -1) 38 ret i32 %B 39} 40 41; CHECK: ![[#PROF1]] = !{!"branch_weights", i32 7} 42; CHECK: ![[#PROF2]] = !{!"branch_weights", i32 6} 43 44attributes #0 = {"use-sample-profile"} 45