| ; RUN: llvm-profdata merge %S/Inputs/multiple_hash_profile.proftext -o %t.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -pgo-instr-old-cfg-hashing=true -S | FileCheck -check-prefix=CHECKOLDHASH %s |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| $_Z3fooi = comdat any |
| |
| @g2 = local_unnamed_addr global ptr null, align 8 |
| |
| define i32 @_Z3bari(i32 %i) { |
| entry: |
| %cmp = icmp sgt i32 %i, 2 |
| %mul = select i1 %cmp, i32 1, i32 %i |
| %retval.0 = mul nsw i32 %mul, %i |
| ret i32 %retval.0 |
| } |
| |
| define void @_Z4m2f1v() { |
| entry: |
| store ptr @_Z3fooi, ptr @g2, align 8 |
| ret void |
| } |
| |
| define linkonce_odr i32 @_Z3fooi(i32 %i) comdat { |
| entry: |
| %cmp.i = icmp sgt i32 %i, 2 |
| %mul.i = select i1 %cmp.i, i32 1, i32 %i |
| ; CHECK: %mul.i = select i1 %cmp.i, i32 1, i32 %i |
| ; CHECK-SAME: !prof ![[BW:[0-9]+]] |
| ; CHECK: ![[BW]] = !{!"branch_weights", i32 12, i32 6} |
| ; CHECKOLDHASH: %mul.i = select i1 %cmp.i, i32 1, i32 %i |
| ; CHECKOLDHASH-SAME: !prof ![[BW:[0-9]+]] |
| ; CHECKOLDHASH: ![[BW]] = !{!"branch_weights", i32 6, i32 12} |
| %retval.0.i = mul nsw i32 %mul.i, %i |
| ret i32 %retval.0.i |
| } |
| |
| |