| ; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-COMDAT |
| ; RUN: opt < %s -mtriple=x86_64-apple-darwin -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN --check-prefix=GEN-DARWIN-LINKONCE |
| |
| ; RUN: llvm-profdata merge %S/Inputs/branch1.proftext -o %t.profdata |
| ; RUN: llvm-profdata merge %S/Inputs/branch1_large_count.proftext -o %t.l.profdata |
| |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.l.profdata -S | FileCheck %s --check-prefix=USE-LARGE |
| |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -pass-remarks=pgo-instrumentation -pgo-emit-branch-prob -S 2>&1| FileCheck %s --check-prefix=ANALYSIS |
| |
| 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-DARWIN-LINKONCE: target triple = "x86_64-apple-darwin" |
| |
| ; GEN-COMDAT: $__llvm_profile_raw_version = comdat any |
| ; GEN-COMDAT: @__llvm_profile_raw_version = hidden constant i64 {{[0-9]+}}, comdat |
| ; GEN-LINKONCE: @__llvm_profile_raw_version = linkonce constant i64 {{[0-9]+}} |
| ; GEN: @__profn_test_br_1 = private constant [9 x i8] c"test_br_1" |
| |
| define i32 @test_br_1(i32 %i) { |
| ; USE-LABEL: @test_br_1 |
| ; USE-SAME: !prof ![[FUNC_ENTRY_COUNT:[0-9]+]] |
| entry: |
| ; GEN: entry: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_1, i64 {{[0-9]+}}, i32 2, i32 0) |
| %cmp = icmp sgt i32 %i, 0 |
| br i1 %cmp, label %if.then, label %if.end |
| ; USE: br i1 %cmp, label %if.then, label %if.end |
| ; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] |
| ; USE-DAG: ![[BW_ENTRY]] = !{!"branch_weights", i32 2, i32 1} |
| ; USE-LARGE: br i1 %cmp, label %if.then, label %if.end |
| ; USE-LARGE-SAME: !prof ![[BW_L_ENTRY:[0-9]+]] |
| ; USE-LARGE-DAG: ![[BW_L_ENTRY]] = !{!"branch_weights", i32 -1431655766, i32 1431655765} |
| |
| if.then: |
| ; GEN: if.then: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_br_1, i64 {{[0-9]+}}, i32 2, i32 1) |
| %add = add nsw i32 %i, 2 |
| br label %if.end |
| |
| if.end: |
| ; GEN: if.end: |
| ; GEN-NOT: llvm.instrprof.increment |
| ; GEN: ret i32 |
| %retv = phi i32 [ %add, %if.then ], [ %i, %entry ] |
| ret i32 %retv |
| } |
| ; USE-DAG: {{![0-9]+}} = !{i32 1, !"ProfileSummary", {{![0-9]+}}} |
| ; USE-DAG: {{![0-9]+}} = !{!"DetailedSummary", {{![0-9]+}}} |
| ; USE-DAG: ![[FUNC_ENTRY_COUNT]] = !{!"function_entry_count", i64 3} |
| |
| ; ANALYSIS:remark: <unknown>:0:0: sgt_i32_Zero {{.*}}66.67% (total count : 3) |