1; RUN: opt < %s -loop-reduce -S | FileCheck %s 2 3target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 4target triple = "i686-pc-windows-msvc" 5 6declare i32 @_except_handler3(...) 7declare i32 @__CxxFrameHandler3(...) 8 9declare void @external(i32*) 10declare void @reserve() 11 12define void @f() personality i32 (...)* @_except_handler3 { 13entry: 14 br label %throw 15 16throw: ; preds = %throw, %entry 17 %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 18 invoke void @reserve() 19 to label %throw unwind label %pad 20 21pad: ; preds = %throw 22 %phi2 = phi i8* [ %tmp96, %throw ] 23 %cs = catchswitch within none [label %unreachable] unwind label %blah2 24 25unreachable: 26 catchpad within %cs [] 27 unreachable 28 29blah2: 30 %cleanuppadi4.i.i.i = cleanuppad within none [] 31 br label %loop_body 32 33loop_body: ; preds = %iter, %pad 34 %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah2 ] 35 %tmp100 = icmp eq i8* %tmp99, undef 36 br i1 %tmp100, label %unwind_out, label %iter 37 38iter: ; preds = %loop_body 39 %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 40 br i1 undef, label %unwind_out, label %loop_body 41 42unwind_out: ; preds = %iter, %loop_body 43 cleanupret from %cleanuppadi4.i.i.i unwind to caller 44} 45 46; CHECK-LABEL: define void @f( 47; CHECK: cleanuppad within none [] 48; CHECK-NEXT: ptrtoint i8* %phi2 to i32 49 50define void @g() personality i32 (...)* @_except_handler3 { 51entry: 52 br label %throw 53 54throw: ; preds = %throw, %entry 55 %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 56 invoke void @reserve() 57 to label %throw unwind label %pad 58 59pad: 60 %phi2 = phi i8* [ %tmp96, %throw ] 61 %cs = catchswitch within none [label %unreachable, label %blah] unwind to caller 62 63unreachable: 64 catchpad within %cs [] 65 unreachable 66 67blah: 68 %catchpad = catchpad within %cs [] 69 br label %loop_body 70 71unwind_out: 72 catchret from %catchpad to label %leave 73 74leave: 75 ret void 76 77loop_body: ; preds = %iter, %pad 78 %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blah ] 79 %tmp100 = icmp eq i8* %tmp99, undef 80 br i1 %tmp100, label %unwind_out, label %iter 81 82iter: ; preds = %loop_body 83 %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 84 br i1 undef, label %unwind_out, label %loop_body 85} 86 87; CHECK-LABEL: define void @g( 88; CHECK: blah: 89; CHECK-NEXT: catchpad within %cs [] 90; CHECK-NEXT: ptrtoint i8* %phi2 to i32 91 92 93define void @h() personality i32 (...)* @_except_handler3 { 94entry: 95 br label %throw 96 97throw: ; preds = %throw, %entry 98 %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 99 invoke void @reserve() 100 to label %throw unwind label %pad 101 102pad: 103 %cs = catchswitch within none [label %unreachable, label %blug] unwind to caller 104 105unreachable: 106 catchpad within %cs [] 107 unreachable 108 109blug: 110 %phi2 = phi i8* [ %tmp96, %pad ] 111 %catchpad = catchpad within %cs [] 112 br label %loop_body 113 114unwind_out: 115 catchret from %catchpad to label %leave 116 117leave: 118 ret void 119 120loop_body: ; preds = %iter, %pad 121 %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %blug ] 122 %tmp100 = icmp eq i8* %tmp99, undef 123 br i1 %tmp100, label %unwind_out, label %iter 124 125iter: ; preds = %loop_body 126 %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 127 br i1 undef, label %unwind_out, label %loop_body 128} 129 130; CHECK-LABEL: define void @h( 131; CHECK: blug: 132; CHECK: catchpad within %cs [] 133; CHECK-NEXT: ptrtoint i8* %phi2 to i32 134 135define void @i() personality i32 (...)* @_except_handler3 { 136entry: 137 br label %throw 138 139throw: ; preds = %throw, %entry 140 %tmp96 = getelementptr inbounds i8, i8* undef, i32 1 141 invoke void @reserve() 142 to label %throw unwind label %catchpad 143 144catchpad: ; preds = %throw 145 %phi2 = phi i8* [ %tmp96, %throw ] 146 %cs = catchswitch within none [label %cp_body] unwind label %cleanuppad 147 148cp_body: 149 catchpad within %cs [] 150 br label %loop_head 151 152cleanuppad: 153 cleanuppad within none [] 154 br label %loop_head 155 156loop_head: 157 br label %loop_body 158 159loop_body: ; preds = %iter, %catchpad 160 %tmp99 = phi i8* [ %tmp101, %iter ], [ %phi2, %loop_head ] 161 %tmp100 = icmp eq i8* %tmp99, undef 162 br i1 %tmp100, label %unwind_out, label %iter 163 164iter: ; preds = %loop_body 165 %tmp101 = getelementptr inbounds i8, i8* %tmp99, i32 1 166 br i1 undef, label %unwind_out, label %loop_body 167 168unwind_out: ; preds = %iter, %loop_body 169 unreachable 170} 171 172; CHECK-LABEL: define void @i( 173; CHECK: ptrtoint i8* %phi2 to i32 174 175define void @test1(i32* %b, i32* %c) personality i32 (...)* @__CxxFrameHandler3 { 176entry: 177 br label %for.cond 178 179for.cond: ; preds = %for.inc, %entry 180 %d.0 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.inc ] 181 invoke void @external(i32* %d.0) 182 to label %for.inc unwind label %catch.dispatch 183 184for.inc: ; preds = %for.cond 185 %incdec.ptr = getelementptr inbounds i32, i32* %d.0, i32 1 186 br label %for.cond 187 188catch.dispatch: ; preds = %for.cond 189 %cs = catchswitch within none [label %catch] unwind label %catch.dispatch.2 190 191catch: ; preds = %catch.dispatch 192 %0 = catchpad within %cs [i8* null, i32 64, i8* null] 193 catchret from %0 to label %try.cont 194 195try.cont: ; preds = %catch 196 invoke void @external(i32* %c) 197 to label %try.cont.7 unwind label %catch.dispatch.2 198 199catch.dispatch.2: ; preds = %try.cont, %catchendblock 200 %e.0 = phi i32* [ %c, %try.cont ], [ %b, %catch.dispatch ] 201 %cs2 = catchswitch within none [label %catch.4] unwind to caller 202 203catch.4: ; preds = %catch.dispatch.2 204 catchpad within %cs2 [i8* null, i32 64, i8* null] 205 unreachable 206 207try.cont.7: ; preds = %try.cont 208 ret void 209} 210 211; CHECK-LABEL: define void @test1( 212; CHECK: for.cond: 213; CHECK: %d.0 = phi i32* [ %b, %entry ], [ %incdec.ptr, %for.inc ] 214 215; CHECK: catch.dispatch.2: 216; CHECK: %e.0 = phi i32* [ %c, %try.cont ], [ %b, %catch.dispatch ] 217