| Petr Hosek | d3db13a | 2019-10-04 13:29:56 -0700 | [diff] [blame^] | 1 | ; RUN: opt < %s -S -instrprof | FileCheck %s |
| 2 | ; RUN: opt < %s -S -instrprof -runtime-counter-relocation | FileCheck -check-prefixes=RELOC %s |
| 3 | |
| 4 | target triple = "x86_64-unknown-linux-gnu" |
| 5 | |
| 6 | @__profn_foo = hidden constant [3 x i8] c"foo" |
| 7 | ; RELOC: @__llvm_profile_counter_bias = linkonce_odr global i64 0 |
| 8 | |
| 9 | ; CHECK-LABEL: define void @foo |
| 10 | ; CHECK-NEXT: %pgocount = load i64, i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__profc_foo, i64 0, i64 0) |
| 11 | ; CHECK-NEXT: %1 = add i64 %pgocount, 1 |
| 12 | ; CHECK-NEXT: store i64 %1, i64* getelementptr inbounds ([1 x i64], [1 x i64]* @__profc_foo, i64 0, i64 0) |
| 13 | ; RELOC-LABEL: define void @foo |
| 14 | ; RELOC-NEXT: %1 = load i64, i64* @__llvm_profile_counter_bias |
| 15 | ; RELOC-NEXT: %2 = add i64 ptrtoint ([1 x i64]* @__profc_foo to i64), %1 |
| 16 | ; RELOC-NEXT: %3 = inttoptr i64 %2 to i64* |
| 17 | ; RELOC-NEXT: %pgocount = load i64, i64* %3 |
| 18 | ; RELOC-NEXT: %4 = add i64 %pgocount, 1 |
| 19 | ; RELOC-NEXT: store i64 %4, i64* %3 |
| 20 | define void @foo() { |
| 21 | call void @llvm.instrprof.increment(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @__profn_foo, i32 0, i32 0), i64 0, i32 1, i32 0) |
| 22 | ret void |
| 23 | } |
| 24 | |
| 25 | declare void @llvm.instrprof.increment(i8*, i64, i32, i32) |