; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -disable-cgp-branch-opts | FileCheck %s %struct.pix_pos = type { i32, i32, i32, i32, i32, i32 } @getNeighbour = external global void (i32, i32, i32, i32, %struct.pix_pos*)*, align 4 ; <void (i32, i32, i32, i32, %struct.pix_pos*)**> [#uses=2] define void @t() nounwind { ; CHECK: t: ; CHECK: it eq ; CHECK-NEXT: cmpeq entry: %pix_a.i294 = alloca [4 x %struct.pix_pos], align 4 ; <[4 x %struct.pix_pos]*> [#uses=2] br i1 undef, label %land.rhs, label %lor.end land.rhs: ; preds = %entry br label %lor.end lor.end: ; preds = %land.rhs, %entry switch i32 0, label %if.end371 [ i32 10, label %if.then366 i32 14, label %if.then366 ] if.then366: ; preds = %lor.end, %lor.end unreachable if.end371: ; preds = %lor.end %arrayidx56.2.i = getelementptr [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 2 ; <%struct.pix_pos*> [#uses=1] %arrayidx56.3.i = getelementptr [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 3 ; <%struct.pix_pos*> [#uses=1] br i1 undef, label %for.body1857, label %for.end4557 for.body1857: ; preds = %if.end371 br i1 undef, label %if.then1867, label %for.cond1933 if.then1867: ; preds = %for.body1857 unreachable for.cond1933: ; preds = %for.body1857 br i1 undef, label %for.body1940, label %if.then4493 for.body1940: ; preds = %for.cond1933 %shl = shl i32 undef, 2 ; <i32> [#uses=1] %shl1959 = shl i32 undef, 2 ; <i32> [#uses=4] br i1 undef, label %if.then1992, label %if.else2003 if.then1992: ; preds = %for.body1940 %tmp14.i302 = load i32* undef ; <i32> [#uses=4] %add.i307452 = or i32 %shl1959, 1 ; <i32> [#uses=1] %sub.i308 = add i32 %shl, -1 ; <i32> [#uses=4] call void undef(i32 %tmp14.i302, i32 %sub.i308, i32 %shl1959, i32 0, %struct.pix_pos* undef) nounwind %tmp49.i309 = load void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1] call void %tmp49.i309(i32 %tmp14.i302, i32 %sub.i308, i32 %add.i307452, i32 0, %struct.pix_pos* null) nounwind %tmp49.1.i = load void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1] call void %tmp49.1.i(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.2.i) nounwind call void undef(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.3.i) nounwind unreachable if.else2003: ; preds = %for.body1940 switch i32 undef, label %if.then2015 [ i32 10, label %if.then4382 i32 14, label %if.then4382 ] if.then2015: ; preds = %if.else2003 br i1 undef, label %if.else2298, label %if.then2019 if.then2019: ; preds = %if.then2015 br i1 undef, label %if.then2065, label %if.else2081 if.then2065: ; preds = %if.then2019 br label %if.end2128 if.else2081: ; preds = %if.then2019 br label %if.end2128 if.end2128: ; preds = %if.else2081, %if.then2065 unreachable if.else2298: ; preds = %if.then2015 br i1 undef, label %land.lhs.true2813, label %cond.end2841 land.lhs.true2813: ; preds = %if.else2298 br i1 undef, label %cond.end2841, label %cond.true2824 cond.true2824: ; preds = %land.lhs.true2813 br label %cond.end2841 cond.end2841: ; preds = %cond.true2824, %land.lhs.true2813, %if.else2298 br i1 undef, label %for.cond2882.preheader, label %for.cond2940.preheader for.cond2882.preheader: ; preds = %cond.end2841 %mul3693 = shl i32 undef, 1 ; <i32> [#uses=2] br i1 undef, label %if.then3689, label %if.else3728 for.cond2940.preheader: ; preds = %cond.end2841 br label %for.inc3040 for.inc3040: ; preds = %for.inc3040, %for.cond2940.preheader br label %for.inc3040 if.then3689: ; preds = %for.cond2882.preheader %add3695 = add nsw i32 %mul3693, %shl1959 ; <i32> [#uses=1] %mul3697 = shl i32 %add3695, 2 ; <i32> [#uses=2] %arrayidx3705 = getelementptr inbounds i16* undef, i32 1 ; <i16*> [#uses=1] %tmp3706 = load i16* %arrayidx3705 ; <i16> [#uses=1] %conv3707 = sext i16 %tmp3706 to i32 ; <i32> [#uses=1] %add3708 = add nsw i32 %conv3707, %mul3697 ; <i32> [#uses=1] %arrayidx3724 = getelementptr inbounds i16* null, i32 1 ; <i16*> [#uses=1] %tmp3725 = load i16* %arrayidx3724 ; <i16> [#uses=1] %conv3726 = sext i16 %tmp3725 to i32 ; <i32> [#uses=1] %add3727 = add nsw i32 %conv3726, %mul3697 ; <i32> [#uses=1] br label %if.end3770 if.else3728: ; preds = %for.cond2882.preheader %mul3733 = add i32 %shl1959, 1073741816 ; <i32> [#uses=1] %add3735 = add nsw i32 %mul3733, %mul3693 ; <i32> [#uses=1] %mul3737 = shl i32 %add3735, 2 ; <i32> [#uses=2] %tmp3746 = load i16* undef ; <i16> [#uses=1] %conv3747 = sext i16 %tmp3746 to i32 ; <i32> [#uses=1] %add3748 = add nsw i32 %conv3747, %mul3737 ; <i32> [#uses=1] %arrayidx3765 = getelementptr inbounds i16* null, i32 1 ; <i16*> [#uses=1] %tmp3766 = load i16* %arrayidx3765 ; <i16> [#uses=1] %conv3767 = sext i16 %tmp3766 to i32 ; <i32> [#uses=1] %add3768 = add nsw i32 %conv3767, %mul3737 ; <i32> [#uses=1] br label %if.end3770 if.end3770: ; preds = %if.else3728, %if.then3689 %vec2_y.1 = phi i32 [ %add3727, %if.then3689 ], [ %add3768, %if.else3728 ] ; <i32> [#uses=0] %vec1_y.2 = phi i32 [ %add3708, %if.then3689 ], [ %add3748, %if.else3728 ] ; <i32> [#uses=0] unreachable if.then4382: ; preds = %if.else2003, %if.else2003 switch i32 undef, label %if.then4394 [ i32 10, label %if.else4400 i32 14, label %if.else4400 ] if.then4394: ; preds = %if.then4382 unreachable if.else4400: ; preds = %if.then4382, %if.then4382 br label %for.cond4451.preheader for.cond4451.preheader: ; preds = %for.cond4451.preheader, %if.else4400 br label %for.cond4451.preheader if.then4493: ; preds = %for.cond1933 unreachable for.end4557: ; preds = %if.end371 ret void }