| ; Test the critical edge threahold |
| ; RUN: opt < %s -passes=pgo-instr-gen -pgo-critical-edge-threshold=1 -pgo-instrument-entry=true -S | FileCheck %s |
| |
| @sum = dso_local global i32 0, align 4 |
| |
| define void @foo(i32 %a, i32 %b) { |
| entry: |
| %tobool.not = icmp eq i32 %a, 0 |
| br i1 %tobool.not, label %if.end4, label %if.then |
| |
| if.then: |
| %0 = load i32, ptr @sum, align 4 |
| %inc = add nsw i32 %0, 1 |
| store i32 %inc, ptr @sum, align 4 |
| %tobool1.not = icmp eq i32 %b, 0 |
| br i1 %tobool1.not, label %if.end4, label %if.then2 |
| |
| if.then2: |
| %inc3 = add nsw i32 %0, 2 |
| store i32 %inc3, ptr @sum, align 4 |
| br label %if.end4 |
| |
| if.end4: |
| ret void |
| } |
| |
| ; CHECK-NOT: call void @llvm.instrprof.increment(ptr @__profn_foo |
