1 ; RUN: opt < %s -loop-unroll -S | FileCheck %s 2 3 4 ; This should not unroll since the address of the loop header is taken. 5 6 ; CHECK: @test1 7 ; CHECK: store i8* blockaddress(@test1, %l1), i8** %P 8 ; CHECK: l1: 9 ; CHECK-NEXT: phi i32 10 ; rdar://8287027 11 define i32 @test1(i8** %P) nounwind ssp { 12 entry: 13 store i8* blockaddress(@test1, %l1), i8** %P 14 br label %l1 15 16 l1: ; preds = %l1, %entry 17 %x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ] 18 %inc = add nsw i32 %x.0, 1 19 %exitcond = icmp eq i32 %inc, 3 20 br i1 %exitcond, label %l2, label %l1 21 22 l2: ; preds = %l1 23 ret i32 0 24 } 25
