; RUN: llc < %s -mtriple=armv7-apple-darwin -O3 -mcpu=arm1136jf-s ; PR7421 %struct.CONTENTBOX = type { i32, i32, i32, i32, i32 } %struct.FILE = type { i8* } %struct.tilebox = type { %struct.tilebox*, double, double, double, double, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %struct.UNCOMBOX = type { i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 } %struct.cellbox = type { i8*, i32, i32, i32, [9 x i32], i32, i32, i32, i32, i32, i32, i32, double, double, double, double, double, i32, i32, %struct.CONTENTBOX*, %struct.UNCOMBOX*, [8 x %struct.tilebox*] } %struct.termbox = type { %struct.termbox*, i32, i32, i32, i32, i32 } @.str2708 = external constant [14 x i8], align 4 ; <[14 x i8]*> [#uses=1] define void @TW_oldinput(%struct.FILE* nocapture %fp) nounwind { entry: %xcenter = alloca i32, align 4 ; <i32*> [#uses=2] %0 = call i32 (%struct.FILE*, i8*, ...) @fscanf(%struct.FILE* %fp, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str2708, i32 0, i32 0), i32* undef, i32* undef, i32* %xcenter, i32* null) nounwind ; <i32> [#uses=1] %1 = icmp eq i32 %0, 4 ; <i1> [#uses=1] br i1 %1, label %bb, label %return bb: ; preds = %bb445, %entry %2 = load %struct.cellbox*, %struct.cellbox** undef, align 4 ; <%struct.cellbox*> [#uses=2] %3 = getelementptr inbounds %struct.cellbox, %struct.cellbox* %2, i32 0, i32 3 ; <i32*> [#uses=1] store i32 undef, i32* %3, align 4 %4 = load i32, i32* undef, align 4 ; <i32> [#uses=3] %5 = icmp eq i32 undef, 1 ; <i1> [#uses=1] br i1 %5, label %bb10, label %bb445 bb10: ; preds = %bb br i1 undef, label %bb11, label %bb445 bb11: ; preds = %bb10 %6 = load %struct.tilebox*, %struct.tilebox** undef, align 4 ; <%struct.tilebox*> [#uses=3] %7 = load %struct.termbox*, %struct.termbox** null, align 4 ; <%struct.termbox*> [#uses=1] %8 = getelementptr inbounds %struct.tilebox, %struct.tilebox* %6, i32 0, i32 13 ; <i32*> [#uses=1] %9 = load i32, i32* %8, align 4 ; <i32> [#uses=3] %10 = getelementptr inbounds %struct.tilebox, %struct.tilebox* %6, i32 0, i32 15 ; <i32*> [#uses=1] %11 = load i32, i32* %10, align 4 ; <i32> [#uses=1] br i1 false, label %bb12, label %bb13 bb12: ; preds = %bb11 unreachable bb13: ; preds = %bb11 %iftmp.40.0.neg = sdiv i32 0, -2 ; <i32> [#uses=2] %12 = sub nsw i32 0, %9 ; <i32> [#uses=1] %13 = sitofp i32 %12 to double ; <double> [#uses=1] %14 = fdiv double %13, 0.000000e+00 ; <double> [#uses=1] %15 = fptosi double %14 to i32 ; <i32> [#uses=1] %iftmp.41.0.in = add i32 0, %15 ; <i32> [#uses=1] %iftmp.41.0.neg = sdiv i32 %iftmp.41.0.in, -2 ; <i32> [#uses=3] br i1 undef, label %bb43.loopexit, label %bb21 bb21: ; preds = %bb13 %16 = fptosi double undef to i32 ; <i32> [#uses=1] %17 = fsub double undef, 0.000000e+00 ; <double> [#uses=1] %not.460 = fcmp oge double %17, 5.000000e-01 ; <i1> [#uses=1] %18 = zext i1 %not.460 to i32 ; <i32> [#uses=1] %iftmp.42.0 = add i32 %16, %iftmp.41.0.neg ; <i32> [#uses=1] %19 = add i32 %iftmp.42.0, %18 ; <i32> [#uses=1] store i32 %19, i32* undef, align 4 %20 = sub nsw i32 0, %9 ; <i32> [#uses=1] %21 = sitofp i32 %20 to double ; <double> [#uses=1] %22 = fdiv double %21, 0.000000e+00 ; <double> [#uses=2] %23 = fptosi double %22 to i32 ; <i32> [#uses=1] %24 = fsub double %22, undef ; <double> [#uses=1] %not.461 = fcmp oge double %24, 5.000000e-01 ; <i1> [#uses=1] %25 = zext i1 %not.461 to i32 ; <i32> [#uses=1] %iftmp.43.0 = add i32 %23, %iftmp.41.0.neg ; <i32> [#uses=1] %26 = add i32 %iftmp.43.0, %25 ; <i32> [#uses=1] %27 = getelementptr inbounds %struct.tilebox, %struct.tilebox* %6, i32 0, i32 10 ; <i32*> [#uses=1] store i32 %26, i32* %27, align 4 %28 = fptosi double undef to i32 ; <i32> [#uses=1] %iftmp.45.0 = add i32 %28, %iftmp.40.0.neg ; <i32> [#uses=1] %29 = add i32 %iftmp.45.0, 0 ; <i32> [#uses=1] store i32 %29, i32* undef, align 4 br label %bb43.loopexit bb36: ; preds = %bb43.loopexit, %bb36 %termptr.0478 = phi %struct.termbox* [ %42, %bb36 ], [ %7, %bb43.loopexit ] ; <%struct.termbox*> [#uses=1] %30 = load i32, i32* undef, align 4 ; <i32> [#uses=1] %31 = sub nsw i32 %30, %9 ; <i32> [#uses=1] %32 = sitofp i32 %31 to double ; <double> [#uses=1] %33 = fdiv double %32, 0.000000e+00 ; <double> [#uses=1] %34 = fptosi double %33 to i32 ; <i32> [#uses=1] %iftmp.46.0 = add i32 %34, %iftmp.41.0.neg ; <i32> [#uses=1] %35 = add i32 %iftmp.46.0, 0 ; <i32> [#uses=1] store i32 %35, i32* undef, align 4 %36 = sub nsw i32 0, %11 ; <i32> [#uses=1] %37 = sitofp i32 %36 to double ; <double> [#uses=1] %38 = fmul double %37, 0.000000e+00 ; <double> [#uses=1] %39 = fptosi double %38 to i32 ; <i32> [#uses=1] %iftmp.47.0 = add i32 %39, %iftmp.40.0.neg ; <i32> [#uses=1] %40 = add i32 %iftmp.47.0, 0 ; <i32> [#uses=1] store i32 %40, i32* undef, align 4 %41 = getelementptr inbounds %struct.termbox, %struct.termbox* %termptr.0478, i32 0, i32 0 ; <%struct.termbox**> [#uses=1] %42 = load %struct.termbox*, %struct.termbox** %41, align 4 ; <%struct.termbox*> [#uses=2] %43 = icmp eq %struct.termbox* %42, null ; <i1> [#uses=1] br i1 %43, label %bb52.loopexit, label %bb36 bb43.loopexit: ; preds = %bb21, %bb13 br i1 undef, label %bb52.loopexit, label %bb36 bb52.loopexit: ; preds = %bb43.loopexit, %bb36 %44 = icmp eq i32 %4, 0 ; <i1> [#uses=1] br i1 %44, label %bb.nph485, label %bb54 bb54: ; preds = %bb52.loopexit switch i32 %4, label %bb62 [ i32 2, label %bb56 i32 3, label %bb57 ] bb56: ; preds = %bb54 br label %bb62 bb57: ; preds = %bb54 br label %bb62 bb62: ; preds = %bb57, %bb56, %bb54 unreachable bb.nph485: ; preds = %bb52.loopexit br label %bb248 bb248: ; preds = %bb322, %bb.nph485 %45 = icmp eq i32 undef, %4 ; <i1> [#uses=1] br i1 %45, label %bb322, label %bb249 bb249: ; preds = %bb248 %46 = getelementptr inbounds %struct.cellbox, %struct.cellbox* %2, i32 0, i32 21, i32 undef ; <%struct.tilebox**> [#uses=1] %47 = load %struct.tilebox*, %struct.tilebox** %46, align 4 ; <%struct.tilebox*> [#uses=1] %48 = getelementptr inbounds %struct.tilebox, %struct.tilebox* %47, i32 0, i32 11 ; <i32*> [#uses=1] store i32 undef, i32* %48, align 4 unreachable bb322: ; preds = %bb248 br i1 undef, label %bb248, label %bb445 bb445: ; preds = %bb322, %bb10, %bb %49 = call i32 (%struct.FILE*, i8*, ...) @fscanf(%struct.FILE* %fp, i8* getelementptr inbounds ([14 x i8], [14 x i8]* @.str2708, i32 0, i32 0), i32* undef, i32* undef, i32* %xcenter, i32* null) nounwind ; <i32> [#uses=1] %50 = icmp eq i32 %49, 4 ; <i1> [#uses=1] br i1 %50, label %bb, label %return return: ; preds = %bb445, %entry ret void } declare i32 @fscanf(%struct.FILE* nocapture, i8* nocapture, ...) nounwind