| ; RUN: opt < %s -passes=pgo-instr-gen -pgo-instrument-entry=false -S | FileCheck %s --check-prefix=GEN |
| ; RUN: llvm-profdata merge %S/Inputs/criticaledge.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-prefix=GEN |
| ; RUN: llvm-profdata merge %S/Inputs/criticaledge_entry.proftext -o %t2.profdata |
| ; RUN: opt < %s -passes=pgo-instr-use -pgo-instrument-entry=true -pgo-test-profile-file=%t2.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_criticalEdge = private constant [17 x i8] c"test_criticalEdge" |
| ; GEN: @__profn__stdin__bar = private constant [11 x i8] c"<stdin>;bar" |
| |
| define i32 @test_criticalEdge(i32 %i, i32 %j) { |
| entry: |
| ; CHECK: entry: |
| ; NOTENTRY-NOT: call void @llvm.instrprof.increment |
| ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 0) |
| switch i32 %i, label %sw.default [ |
| i32 1, label %sw.bb |
| i32 2, label %sw.bb1 |
| i32 3, label %sw.bb2 |
| i32 4, label %sw.bb2 |
| ; CHECK: i32 3, label %entry.sw.bb2_crit_edge |
| ; CHECK: i32 4, label %entry.sw.bb2_crit_edge1 |
| i32 5, label %sw.bb2 |
| ] |
| ; USE: ] |
| ; USE-SAME: !prof ![[BW_SWITCH:[0-9]+]] |
| |
| ; CHECK: entry.sw.bb2_crit_edge1: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 1) |
| ; ENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 2) |
| ; CHECK: br label %sw.bb2 |
| |
| ; CHECK: entry.sw.bb2_crit_edge: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 0) |
| ; TENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 1) |
| ; CHECK: br label %sw.bb2 |
| |
| sw.bb: |
| ; GEN: sw.bb: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 5) |
| %call = call i32 @bar(i32 2) |
| br label %sw.epilog |
| |
| sw.bb1: |
| ; GEN: sw.bb1: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 4) |
| %call2 = call i32 @bar(i32 1024) |
| br label %sw.epilog |
| |
| sw.bb2: |
| ; GEN: sw.bb2: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %cmp = icmp eq i32 %j, 2 |
| br i1 %cmp, label %if.then, label %if.end |
| ; USE: br i1 %cmp, label %if.then, label %if.end |
| ; USE-SAME: !prof ![[BW_SW_BB2:[0-9]+]] |
| |
| if.then: |
| ; GEN: if.then: |
| ; NOTENTRY: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 2) |
| ; ENTRY-NOT: call void @llvm.instrprof.increment |
| %call4 = call i32 @bar(i32 4) |
| br label %return |
| |
| if.end: |
| ; GEN: if.end: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 3) |
| %call5 = call i32 @bar(i32 8) |
| br label %sw.epilog |
| |
| sw.default: |
| ; GEN: sw.default: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %call6 = call i32 @bar(i32 32) |
| %cmp7 = icmp sgt i32 %j, 10 |
| br i1 %cmp7, label %if.then8, label %if.end9 |
| ; USE: br i1 %cmp7, label %if.then8, label %if.end9 |
| ; USE-SAME: !prof ![[BW_SW_DEFAULT:[0-9]+]] |
| |
| if.then8: |
| ; GEN: if.then8: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 7) |
| %add = add nsw i32 %call6, 10 |
| br label %if.end9 |
| |
| if.end9: |
| ; GEN: if.end9: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn_test_criticalEdge, i64 {{[0-9]+}}, i32 8, i32 6) |
| %res.0 = phi i32 [ %add, %if.then8 ], [ %call6, %sw.default ] |
| br label %sw.epilog |
| |
| sw.epilog: |
| ; GEN: sw.epilog: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %res.1 = phi i32 [ %res.0, %if.end9 ], [ %call5, %if.end ], [ %call2, %sw.bb1 ], [ %call, %sw.bb ] |
| br label %return |
| |
| return: |
| ; GEN: return: |
| ; GEN-NOT: call void @llvm.instrprof.increment |
| %retval = phi i32 [ %res.1, %sw.epilog ], [ %call4, %if.then ] |
| ret i32 %retval |
| } |
| |
| define internal i32 @bar(i32 %i) { |
| entry: |
| ; GEN: call void @llvm.instrprof.increment(ptr @__profn__stdin__bar, i64 {{[0-9]+}}, i32 1, i32 0) |
| ret i32 %i |
| } |
| |
| ; USE: ![[BW_SWITCH]] = !{!"branch_weights", i32 2, i32 1, i32 0, i32 2, i32 1, i32 1} |
| ; USE: ![[BW_SW_BB2]] = !{!"branch_weights", i32 2, i32 2} |
| ; USE: ![[BW_SW_DEFAULT]] = !{!"branch_weights", i32 1, i32 1} |