| ; RUN: opt < %s -S -passes=instrprof | FileCheck %s |
| ; RUN: opt < %s -S -passes=instrprof -runtime-counter-relocation | FileCheck -check-prefixes=RELOC %s |
| |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @__profn_foo = private constant [3 x i8] c"foo" |
| ; RELOC: $__llvm_profile_counter_bias = comdat any |
| ; RELOC: @__llvm_profile_counter_bias = linkonce_odr hidden global i64 0, comdat |
| |
| ; CHECK-LABEL: define void @foo |
| ; CHECK-NEXT: %pgocount = load i64, ptr @__profc_foo |
| ; CHECK-NEXT: %1 = add i64 %pgocount, 1 |
| ; CHECK-NEXT: store i64 %1, ptr @__profc_foo |
| ; RELOC-LABEL: define void @foo |
| ; RELOC-NEXT: %1 = load i64, ptr @__llvm_profile_counter_bias |
| ; RELOC-NEXT: %2 = add i64 ptrtoint (ptr @__profc_foo to i64), %1 |
| ; RELOC-NEXT: %3 = inttoptr i64 %2 to ptr |
| ; RELOC-NEXT: %pgocount = load i64, ptr %3 |
| ; RELOC-NEXT: %4 = add i64 %pgocount, 1 |
| ; RELOC-NEXT: store i64 %4, ptr %3 |
| define void @foo() { |
| call void @llvm.instrprof.increment(ptr @__profn_foo, i64 0, i32 1, i32 0) |
| ret void |
| } |
| |
| declare void @llvm.instrprof.increment(ptr, i64, i32, i32) |
