11dd39b11SRong Xu; RUN: llvm-profdata merge %S/Inputs/fix_entry_count.proftext -o %t.profdata 21dd39b11SRong Xu; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 31dd39b11SRong Xu 41dd39b11SRong Xutarget datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 51dd39b11SRong Xutarget triple = "x86_64-unknown-linux-gnu" 61dd39b11SRong Xu 71dd39b11SRong Xudefine i32 @test_simple_for(i32 %n) { 81dd39b11SRong Xu; USE: define i32 @test_simple_for(i32 %n) 91dd39b11SRong Xu; USE-SAME: !prof ![[ENTRY_COUNT:[0-9]*]] 101dd39b11SRong Xuentry: 111dd39b11SRong Xu br label %for.cond 121dd39b11SRong Xu 131dd39b11SRong Xufor.cond: 141dd39b11SRong Xu %i = phi i32 [ 0, %entry ], [ %inc1, %for.inc ] 151dd39b11SRong Xu %sum = phi i32 [ 1, %entry ], [ %inc, %for.inc ] 161dd39b11SRong Xu %cmp = icmp slt i32 %i, %n 171dd39b11SRong Xu br i1 %cmp, label %for.body, label %for.end 181dd39b11SRong Xu; USE: br i1 %cmp, label %for.body, label %for.end 191dd39b11SRong Xu; USE-SAME: !prof ![[BW_FOR_COND:[0-9]+]] 201dd39b11SRong Xu 211dd39b11SRong Xufor.body: 221dd39b11SRong Xu %inc = add nsw i32 %sum, 1 231dd39b11SRong Xu br label %for.inc 241dd39b11SRong Xu 251dd39b11SRong Xufor.inc: 261dd39b11SRong Xu %inc1 = add nsw i32 %i, 1 271dd39b11SRong Xu br label %for.cond 281dd39b11SRong Xu 291dd39b11SRong Xufor.end: 301dd39b11SRong Xu ret i32 %sum 311dd39b11SRong Xu} 321dd39b11SRong Xu; USE: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 1} 33*5c31b8b9SArthur Eubanks; USE: ![[BW_FOR_COND]] = !{!"branch_weights", i32 96, i32 1} 34