1; RUN: llvm-profdata merge %S/Inputs/select2.proftext -o %t.profdata 2; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -pgo-instr-select=true -S | FileCheck %s --check-prefix=USE 3 4target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-unknown-linux-gnu" 6 7define i32 @foo(i32 %n) { 8;USE: define i32 @foo(i32 %n) !prof ![[ENTRY_COUNT:[0-9]+]] { 9entry: 10 br label %for.cond 11 12for.cond: 13 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] 14 %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.inc ] 15 %cmp = icmp slt i32 %i.0, %n 16 br i1 %cmp, label %for.body, label %for.end 17;USE: br i1 %cmp, label %for.body, label %for.end, !prof ![[BW_FOR_BR:[0-9]+]] 18 19for.body: 20 %cmp1 = icmp sgt i32 %sum.0, 10 21 %cond = select i1 %cmp1, i32 20, i32 -10 22;USE: %cond = select i1 %cmp1, i32 20, i32 -10, !prof ![[BW_FOR_SELECT:[0-9]+]] 23 %add = add nsw i32 %sum.0, %cond 24 br label %for.inc 25 26for.inc: 27 %inc = add nsw i32 %i.0, 1 28 br label %for.cond 29 30for.end: 31 ret i32 %sum.0 32} 33 34;USE: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 3} 35;USE: ![[BW_FOR_BR]] = !{!"branch_weights", i32 800, i32 3} 36;USE: ![[BW_FOR_SELECT]] = !{!"branch_weights", i32 300, i32 500} 37