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" @odd = common dso_local global i32 0, align 4 @even = common dso_local global i32 0, align 4 define dso_local void @bar(i32 %n) #0 !prof !29 { entry: %call = tail call fastcc i32 @cond(i32 %n) %tobool = icmp eq i32 %call, 0 br i1 %tobool, label %if.else, label %if.then, !prof !30 if.then: ; The calls here ensure that the instructions are not hoisted by SimplifyCFG. call void @clobber() %0 = load i32, ptr @odd, align 4 %inc = add i32 %0, 1 store i32 %inc, ptr @odd, align 4 call void @clobber() br label %if.end if.else: %1 = load i32, ptr @even, align 4 %inc1 = add i32 %1, 1 store i32 %inc1, ptr @even, align 4 br label %if.end if.end: ret void } declare void @clobber() define internal fastcc i32 @cond(i32 %i) #1 !prof !29 !PGOFuncName !35 { entry: %rem = srem i32 %i, 2 ret i32 %rem } attributes #0 = { "target-cpu"="x86-64" } attributes #1 = { inlinehint noinline } !llvm.module.flags = !{!0, !1} !0 = !{i32 1, !"wchar_size", i32 4} !1 = !{i32 1, !"ProfileSummary", !2} !2 = !{!3, !4, !5, !6, !7, !8, !9, !10} !3 = !{!"ProfileFormat", !"InstrProf"} !4 = !{!"TotalCount", i64 500002} !5 = !{!"MaxCount", i64 200000} !6 = !{!"MaxInternalCount", i64 100000} !7 = !{!"MaxFunctionCount", i64 200000} !8 = !{!"NumCounts", i64 6} !9 = !{!"NumFunctions", i64 4} !10 = !{!"DetailedSummary", !11} !11 = !{!12, !13, !14, !15, !16, !17, !18, !19, !20, !21, !22, !23, !24, !25, !26, !27} !12 = !{i32 10000, i64 200000, i32 1} !13 = !{i32 100000, i64 200000, i32 1} !14 = !{i32 200000, i64 200000, i32 1} !15 = !{i32 300000, i64 200000, i32 1} !16 = !{i32 400000, i64 200000, i32 1} !17 = !{i32 500000, i64 100000, i32 4} !18 = !{i32 600000, i64 100000, i32 4} !19 = !{i32 700000, i64 100000, i32 4} !20 = !{i32 800000, i64 100000, i32 4} !21 = !{i32 900000, i64 100000, i32 4} !22 = !{i32 950000, i64 100000, i32 4} !23 = !{i32 990000, i64 100000, i32 4} !24 = !{i32 999000, i64 100000, i32 4} !25 = !{i32 999900, i64 100000, i32 4} !26 = !{i32 999990, i64 100000, i32 4} !27 = !{i32 999999, i64 1, i32 6} !29 = !{!"function_entry_count", i64 200000} !30 = !{!"branch_weights", i32 100000, i32 100000} !35 = !{!"cspgo_bar.c:cond"}