1 ; RUN: opt < %s -loop-reduce -S | FileCheck %s 2 target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" 3 target triple = "x86_64-pc-windows-msvc" 4 5 define void @f() personality i32 (...)* @__CxxFrameHandler3 { 6 entry: 7 br label %for.cond.i 8 9 for.cond.i: ; preds = %for.inc.i, %entry 10 %_First.addr.0.i = phi i32* [ null, %entry ], [ %incdec.ptr.i, %for.inc.i ] 11 invoke void @g() 12 to label %for.inc.i unwind label %catch.dispatch.i 13 14 catch.dispatch.i: ; preds = %for.cond.i 15 %cs = catchswitch within none [label %for.cond.1.preheader.i] unwind to caller 16 17 for.cond.1.preheader.i: ; preds = %catch.dispatch.i 18 %0 = catchpad within %cs [i8* null, i32 64, i8* null] 19 %cmp.i = icmp eq i32* %_First.addr.0.i, null 20 br label %for.cond.1.i 21 22 for.cond.1.i: ; preds = %for.body.i, %for.cond.1.preheader.i 23 br i1 %cmp.i, label %for.end.i, label %for.body.i 24 25 for.body.i: ; preds = %for.cond.1.i 26 call void @g() 27 br label %for.cond.1.i 28 29 for.inc.i: ; preds = %for.cond.i 30 %incdec.ptr.i = getelementptr inbounds i32, i32* %_First.addr.0.i, i64 1 31 br label %for.cond.i 32 33 for.end.i: ; preds = %for.cond.1.i 34 catchret from %0 to label %leave 35 36 leave: ; preds = %for.end.i 37 ret void 38 } 39 40 ; CHECK-LABEL: define void @f( 41 ; CHECK: %[[PHI:.*]] = phi i64 [ %[[IV_NEXT:.*]], {{.*}} ], [ 0, {{.*}} ] 42 ; CHECK: %[[ITOP:.*]] = inttoptr i64 %[[PHI]] to i32* 43 ; CHECK: %[[CMP:.*]] = icmp eq i32* %[[ITOP]], null 44 ; CHECK: %[[IV_NEXT]] = add i64 %[[PHI]], -4 45 46 declare void @g() 47 48 declare i32 @__CxxFrameHandler3(...) 49
