1 ; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -disable-cgp-branch-opts -arm-atomic-cfg-tidy=0 | FileCheck %s 2 3 %struct.pix_pos = type { i32, i32, i32, i32, i32, i32 } 4 5 @getNeighbour = external global void (i32, i32, i32, i32, %struct.pix_pos*)*, align 4 ; <void (i32, i32, i32, i32, %struct.pix_pos*)**> [#uses=2] 6 7 define void @t() nounwind { 8 ; CHECK-LABEL: t: 9 ; CHECK: it eq 10 ; CHECK-NEXT: cmpeq 11 entry: 12 %pix_a.i294 = alloca [4 x %struct.pix_pos], align 4 ; <[4 x %struct.pix_pos]*> [#uses=2] 13 br i1 undef, label %land.rhs, label %lor.end 14 15 land.rhs: ; preds = %entry 16 br label %lor.end 17 18 lor.end: ; preds = %land.rhs, %entry 19 switch i32 0, label %if.end371 [ 20 i32 10, label %if.then366 21 i32 14, label %if.then366 22 ] 23 24 if.then366: ; preds = %lor.end, %lor.end 25 unreachable 26 27 if.end371: ; preds = %lor.end 28 %arrayidx56.2.i = getelementptr [4 x %struct.pix_pos], [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 2 ; <%struct.pix_pos*> [#uses=1] 29 %arrayidx56.3.i = getelementptr [4 x %struct.pix_pos], [4 x %struct.pix_pos]* %pix_a.i294, i32 0, i32 3 ; <%struct.pix_pos*> [#uses=1] 30 br i1 undef, label %for.body1857, label %for.end4557 31 32 for.body1857: ; preds = %if.end371 33 br i1 undef, label %if.then1867, label %for.cond1933 34 35 if.then1867: ; preds = %for.body1857 36 unreachable 37 38 for.cond1933: ; preds = %for.body1857 39 br i1 undef, label %for.body1940, label %if.then4493 40 41 for.body1940: ; preds = %for.cond1933 42 %shl = shl i32 undef, 2 ; <i32> [#uses=1] 43 %shl1959 = shl i32 undef, 2 ; <i32> [#uses=4] 44 br i1 undef, label %if.then1992, label %if.else2003 45 46 if.then1992: ; preds = %for.body1940 47 %tmp14.i302 = load i32, i32* undef ; <i32> [#uses=4] 48 %add.i307452 = or i32 %shl1959, 1 ; <i32> [#uses=1] 49 %sub.i308 = add i32 %shl, -1 ; <i32> [#uses=4] 50 call void undef(i32 %tmp14.i302, i32 %sub.i308, i32 %shl1959, i32 0, %struct.pix_pos* undef) nounwind 51 %tmp49.i309 = load void (i32, i32, i32, i32, %struct.pix_pos*)*, void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1] 52 call void %tmp49.i309(i32 %tmp14.i302, i32 %sub.i308, i32 %add.i307452, i32 0, %struct.pix_pos* null) nounwind 53 %tmp49.1.i = load void (i32, i32, i32, i32, %struct.pix_pos*)*, void (i32, i32, i32, i32, %struct.pix_pos*)** @getNeighbour ; <void (i32, i32, i32, i32, %struct.pix_pos*)*> [#uses=1] 54 call void %tmp49.1.i(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.2.i) nounwind 55 call void undef(i32 %tmp14.i302, i32 %sub.i308, i32 undef, i32 0, %struct.pix_pos* %arrayidx56.3.i) nounwind 56 unreachable 57 58 if.else2003: ; preds = %for.body1940 59 switch i32 undef, label %if.then2015 [ 60 i32 10, label %if.then4382 61 i32 14, label %if.then4382 62 ] 63 64 if.then2015: ; preds = %if.else2003 65 br i1 undef, label %if.else2298, label %if.then2019 66 67 if.then2019: ; preds = %if.then2015 68 br i1 undef, label %if.then2065, label %if.else2081 69 70 if.then2065: ; preds = %if.then2019 71 br label %if.end2128 72 73 if.else2081: ; preds = %if.then2019 74 br label %if.end2128 75 76 if.end2128: ; preds = %if.else2081, %if.then2065 77 unreachable 78 79 if.else2298: ; preds = %if.then2015 80 br i1 undef, label %land.lhs.true2813, label %cond.end2841 81 82 land.lhs.true2813: ; preds = %if.else2298 83 br i1 undef, label %cond.end2841, label %cond.true2824 84 85 cond.true2824: ; preds = %land.lhs.true2813 86 br label %cond.end2841 87 88 cond.end2841: ; preds = %cond.true2824, %land.lhs.true2813, %if.else2298 89 br i1 undef, label %for.cond2882.preheader, label %for.cond2940.preheader 90 91 for.cond2882.preheader: ; preds = %cond.end2841 92 %mul3693 = shl i32 undef, 1 ; <i32> [#uses=2] 93 br i1 undef, label %if.then3689, label %if.else3728 94 95 for.cond2940.preheader: ; preds = %cond.end2841 96 br label %for.inc3040 97 98 for.inc3040: ; preds = %for.inc3040, %for.cond2940.preheader 99 br label %for.inc3040 100 101 if.then3689: ; preds = %for.cond2882.preheader 102 %add3695 = add nsw i32 %mul3693, %shl1959 ; <i32> [#uses=1] 103 %mul3697 = shl i32 %add3695, 2 ; <i32> [#uses=2] 104 %arrayidx3705 = getelementptr inbounds i16, i16* undef, i32 1 ; <i16*> [#uses=1] 105 %tmp3706 = load i16, i16* %arrayidx3705 ; <i16> [#uses=1] 106 %conv3707 = sext i16 %tmp3706 to i32 ; <i32> [#uses=1] 107 %add3708 = add nsw i32 %conv3707, %mul3697 ; <i32> [#uses=1] 108 %arrayidx3724 = getelementptr inbounds i16, i16* null, i32 1 ; <i16*> [#uses=1] 109 %tmp3725 = load i16, i16* %arrayidx3724 ; <i16> [#uses=1] 110 %conv3726 = sext i16 %tmp3725 to i32 ; <i32> [#uses=1] 111 %add3727 = add nsw i32 %conv3726, %mul3697 ; <i32> [#uses=1] 112 br label %if.end3770 113 114 if.else3728: ; preds = %for.cond2882.preheader 115 %mul3733 = add i32 %shl1959, 1073741816 ; <i32> [#uses=1] 116 %add3735 = add nsw i32 %mul3733, %mul3693 ; <i32> [#uses=1] 117 %mul3737 = shl i32 %add3735, 2 ; <i32> [#uses=2] 118 %tmp3746 = load i16, i16* undef ; <i16> [#uses=1] 119 %conv3747 = sext i16 %tmp3746 to i32 ; <i32> [#uses=1] 120 %add3748 = add nsw i32 %conv3747, %mul3737 ; <i32> [#uses=1] 121 %arrayidx3765 = getelementptr inbounds i16, i16* null, i32 1 ; <i16*> [#uses=1] 122 %tmp3766 = load i16, i16* %arrayidx3765 ; <i16> [#uses=1] 123 %conv3767 = sext i16 %tmp3766 to i32 ; <i32> [#uses=1] 124 %add3768 = add nsw i32 %conv3767, %mul3737 ; <i32> [#uses=1] 125 br label %if.end3770 126 127 if.end3770: ; preds = %if.else3728, %if.then3689 128 %vec2_y.1 = phi i32 [ %add3727, %if.then3689 ], [ %add3768, %if.else3728 ] ; <i32> [#uses=0] 129 %vec1_y.2 = phi i32 [ %add3708, %if.then3689 ], [ %add3748, %if.else3728 ] ; <i32> [#uses=0] 130 unreachable 131 132 if.then4382: ; preds = %if.else2003, %if.else2003 133 switch i32 undef, label %if.then4394 [ 134 i32 10, label %if.else4400 135 i32 14, label %if.else4400 136 ] 137 138 if.then4394: ; preds = %if.then4382 139 unreachable 140 141 if.else4400: ; preds = %if.then4382, %if.then4382 142 br label %for.cond4451.preheader 143 144 for.cond4451.preheader: ; preds = %for.cond4451.preheader, %if.else4400 145 br label %for.cond4451.preheader 146 147 if.then4493: ; preds = %for.cond1933 148 unreachable 149 150 for.end4557: ; preds = %if.end371 151 ret void 152 } 153
