1 ; RUN: opt < %s -pgo-instr-gen -S | FileCheck %s --check-prefix=GEN 2 ; RUN: opt < %s -passes=pgo-instr-gen -S | FileCheck %s --check-prefix=GEN 3 ; RUN: llvm-profdata merge %S/Inputs/branch2.proftext -o %t.profdata 4 ; RUN: opt < %s -pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 5 ; RUN: opt < %s -passes=pgo-instr-use -pgo-test-profile-file=%t.profdata -S | FileCheck %s --check-prefix=USE 6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-unknown-linux-gnu" 8 9 ; GEN: $__llvm_profile_raw_version = comdat any 10 ; GEN: @__llvm_profile_raw_version = constant i64 {{[0-9]+}}, comdat 11 ; GEN: @__profn_test_br_2 = private constant [9 x i8] c"test_br_2" 12 13 define i32 @test_br_2(i32 %i) { 14 entry: 15 ; GEN: entry: 16 ; GEN-NOT: llvm.instrprof.increment 17 %cmp = icmp sgt i32 %i, 0 18 br i1 %cmp, label %if.then, label %if.else 19 ; USE: br i1 %cmp, label %if.then, label %if.else 20 ; USE-SAME: !prof ![[BW_ENTRY:[0-9]+]] 21 ; USE: ![[BW_ENTRY]] = !{!"branch_weights", i32 1, i32 1} 22 23 if.then: 24 ; GEN: if.then: 25 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @__profn_test_br_2, i32 0, i32 0), i64 29667547796, i32 2, i32 0) 26 %add = add nsw i32 %i, 2 27 br label %if.end 28 29 if.else: 30 ; GEN: if.else: 31 ; GEN: call void @llvm.instrprof.increment(i8* getelementptr inbounds ([9 x i8], [9 x i8]* @__profn_test_br_2, i32 0, i32 0), i64 29667547796, i32 2, i32 1) 32 %sub = sub nsw i32 %i, 2 33 br label %if.end 34 35 if.end: 36 ; GEN: if.end: 37 ; GEN-NOT: llvm.instrprof.increment 38 %retv = phi i32 [ %add, %if.then ], [ %sub, %if.else ] 39 ret i32 %retv 40 ; GEN: ret 41 } 42
