; RUN: llc -O2 < %s ; REQUIRES: asserts target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32" target triple = "hexagon-unknown--elf" %struct.cpumask = type { [1 x i32] } %struct.load_weight = type { i32, i32 } @sysctl_sched_latency = global i32 6000000, align 4 @normalized_sysctl_sched_latency = global i32 6000000, align 4 @sysctl_sched_tunable_scaling = global i8 1, align 1 @sysctl_sched_min_granularity = global i32 750000, align 4 @normalized_sysctl_sched_min_granularity = global i32 750000, align 4 @sysctl_sched_wakeup_granularity = global i32 1000000, align 4 @normalized_sysctl_sched_wakeup_granularity = global i32 1000000, align 4 @sysctl_sched_migration_cost = constant i32 500000, align 4 @sysctl_sched_shares_window = global i32 10000000, align 4 @sysctl_sched_child_runs_first = common global i32 0, align 4 @cpu_online_mask = external constant %struct.cpumask* ; Function Attrs: noinline nounwind define void @sched_init_granularity() #0 { entry: tail call fastcc void @update_sysctl() ret void } ; Function Attrs: noinline nounwind define internal fastcc void @update_sysctl() #0 { entry: %call = tail call i32 @get_update_sysctl_factor() %0 = load i32, i32* @normalized_sysctl_sched_min_granularity, align 4, !tbaa !1 %mul = mul i32 %0, %call store i32 %mul, i32* @sysctl_sched_min_granularity, align 4, !tbaa !1 %1 = load i32, i32* @normalized_sysctl_sched_latency, align 4, !tbaa !1 %mul1 = mul i32 %1, %call store i32 %mul1, i32* @sysctl_sched_latency, align 4, !tbaa !1 %2 = load i32, i32* @normalized_sysctl_sched_wakeup_granularity, align 4, !tbaa !1 %mul2 = mul i32 %2, %call store i32 %mul2, i32* @sysctl_sched_wakeup_granularity, align 4, !tbaa !1 ret void } ; Function Attrs: noinline nounwind define i32 @calc_delta_mine(i32 %delta_exec, i32 %weight, %struct.load_weight* nocapture %lw) #0 { entry: %cmp = icmp ugt i32 %weight, 1 %conv = zext i32 %delta_exec to i64 br i1 %cmp, label %if.then, label %if.end, !prof !5 if.then: ; preds = %entry %conv2 = zext i32 %weight to i64 %mul = mul i64 %conv2, %conv br label %if.end if.end: ; preds = %entry, %if.then %tmp.0 = phi i64 [ %mul, %if.then ], [ %conv, %entry ] %inv_weight = getelementptr inbounds %struct.load_weight, %struct.load_weight* %lw, i32 0, i32 1 %0 = load i32, i32* %inv_weight, align 4, !tbaa !6 %tobool4 = icmp eq i32 %0, 0 br i1 %tobool4, label %if.then5, label %if.end22 if.then5: ; preds = %if.end %weight7 = getelementptr inbounds %struct.load_weight, %struct.load_weight* %lw, i32 0, i32 0 %1 = load i32, i32* %weight7, align 4, !tbaa !9 %lnot9 = icmp eq i32 %1, 0 br i1 %lnot9, label %if.then17, label %if.else19, !prof !10 if.then17: ; preds = %if.then5 store i32 -1, i32* %inv_weight, align 4, !tbaa !6 br label %if.end22 if.else19: ; preds = %if.then5 %div = udiv i32 -1, %1 store i32 %div, i32* %inv_weight, align 4, !tbaa !6 br label %if.end22 if.end22: ; preds = %if.end, %if.then17, %if.else19 %2 = phi i32 [ %0, %if.end ], [ -1, %if.then17 ], [ %div, %if.else19 ] %cmp23 = icmp ugt i64 %tmp.0, 4294967295 br i1 %cmp23, label %if.then31, label %if.else37, !prof !10 if.then31: ; preds = %if.end22 %add = add i64 %tmp.0, 32768 %shr = lshr i64 %add, 16 %conv33 = zext i32 %2 to i64 %mul34 = mul i64 %conv33, %shr %add35 = add i64 %mul34, 32768 %shr36 = lshr i64 %add35, 16 br label %if.end43 if.else37: ; preds = %if.end22 %conv39 = zext i32 %2 to i64 %mul40 = mul i64 %conv39, %tmp.0 %add41 = add i64 %mul40, 2147483648 %shr42 = lshr i64 %add41, 32 br label %if.end43 if.end43: ; preds = %if.else37, %if.then31 %tmp.1 = phi i64 [ %shr36, %if.then31 ], [ %shr42, %if.else37 ] %cmp49 = icmp ult i64 %tmp.1, 2147483647 %3 = trunc i64 %tmp.1 to i32 %conv51 = select i1 %cmp49, i32 %3, i32 2147483647 ret i32 %conv51 } declare i32 @get_update_sysctl_factor() #0 declare i32 @__bitmap_weight(i32*, i32) #1 attributes #0 = { noinline nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } attributes #2 = { nounwind } !llvm.ident = !{!0} !0 = !{!"Clang 3.1"} !1 = !{!2, !2, i64 0} !2 = !{!"int", !3, i64 0} !3 = !{!"omnipotent char", !4, i64 0} !4 = !{!"Simple C/C++ TBAA"} !5 = !{!"branch_weights", i32 64, i32 4} !6 = !{!7, !8, i64 4} !7 = !{!"load_weight", !8, i64 0, !8, i64 4} !8 = !{!"long", !3, i64 0} !9 = !{!7, !8, i64 0} !10 = !{!"branch_weights", i32 4, i32 64} !11 = !{!12, !12, i64 0} !12 = !{!"any pointer", !3, i64 0} !13 = !{!3, !3, i64 0} !14 = !{i32 45854, i32 45878}