| ; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefixes=GEN,NOTENTRY |
| ; RUN: llvm-profdata merge %S/Inputs/loop2.proftext -o %t.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=false -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE |
| ; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=true -S | FileCheck %s --check-prefixes=GEN,ENTRY |
| ; RUN: llvm-profdata merge %S/Inputs/loop2_entry.proftext -o %t.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE |
| 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" |
| |
| ; GEN: $__llvm_profile_raw_version = comdat any |
| ; GEN: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat |
| ; GEN: @__profn_test_nested_for = private constant [15 x i8] c"test_nested_for" |
| |
| define i32 @test_nested_for(i32 %r, i32 %s) { |
| entry: |
| ; GEN: entry: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 2) |
| ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 0) |
| br label %for.cond.outer |
| |
| for.cond.outer: |
| ; GEN: for.cond.outer: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %i.0 = phi i32 [ 0, %entry ], [ %inc.2, %for.inc.outer ] |
| %sum.0 = phi i32 [ 1, %entry ], [ %sum.1, %for.inc.outer ] |
| %cmp = icmp slt i32 %i.0, %r |
| br i1 %cmp, label %for.body.outer, label %for.end.outer |
| ; USE: br i1 %cmp, label %for.body.outer, label %for.end.outer |
| ; USE-SAME: !prof ![[BW_FOR_COND_OUTER:[0-9]+]] |
| |
| for.body.outer: |
| ; GEN: for.body.outer: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| br label %for.cond.inner |
| |
| for.cond.inner: |
| ; GEN: for.cond.inner: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %j.0 = phi i32 [ 0, %for.body.outer ], [ %inc.1, %for.inc.inner ] |
| %sum.1 = phi i32 [ %sum.0, %for.body.outer ], [ %inc, %for.inc.inner ] |
| %cmp2 = icmp slt i32 %j.0, %s |
| br i1 %cmp2, label %for.body.inner, label %for.end.inner |
| ; USE: br i1 %cmp2, label %for.body.inner, label %for.end.inner |
| ; USE-SAME: !prof ![[BW_FOR_COND_INNER:[0-9]+]] |
| |
| for.body.inner: |
| ; GEN: for.body.inner: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %inc = add nsw i32 %sum.1, 1 |
| br label %for.inc.inner |
| |
| for.inc.inner: |
| ; GEN: for.inc.inner: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 0) |
| ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 1) |
| %inc.1 = add nsw i32 %j.0, 1 |
| br label %for.cond.inner |
| |
| for.end.inner: |
| ; GEN: for.end.inner: |
| br label %for.inc.outer |
| |
| for.inc.outer: |
| ; GEN: for.inc.outer: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 1) |
| ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_nested_for, i64 {{[0-9]+}}, i32 3, i32 2) |
| %inc.2 = add nsw i32 %i.0, 1 |
| br label %for.cond.outer |
| |
| for.end.outer: |
| ; GEN: for.end.outer: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| ; GEN: ret i32 |
| ret i32 %sum.0 |
| } |
| |
| ; USE-DAG: ![[BW_FOR_COND_OUTER]] = !{!"branch_weights", i32 10, i32 6} |
| ; USE-DAG: ![[BW_FOR_COND_INNER]] = !{!"branch_weights", i32 33, i32 10} |
| |