1 ; RUN: llvm-profdata merge %S/Inputs/fix_entry_count.proftext -o %t.profdata
2 ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE
4 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 define i32 @test_simple_for(i32 %n) {
8 ; USE: define i32 @test_simple_for(i32 %n)
9 ; USE-SAME: !prof ![[ENTRY_COUNT:[0-9]*]]
14 %i = phi i32 [ 0, %entry ], [ %inc1, %for.inc ]
15 %sum = phi i32 [ 1, %entry ], [ %inc, %for.inc ]
16 %cmp = icmp slt i32 %i, %n
17 br i1 %cmp, label %for.body, label %for.end
18 ; USE: br i1 %cmp, label %for.body, label %for.end
19 ; USE-SAME: !prof ![[BW_FOR_COND:[0-9]+]]
22 %inc = add nsw i32 %sum, 1
26 %inc1 = add nsw i32 %i, 1
32 ; USE: ![[ENTRY_COUNT]] = !{!"function_entry_count", i64 1}
33 ; USE: ![[BW_FOR_COND]] = !{!"branch_weights", i32 96, i32 1}