37 lines · plain
1; RUN: opt < %s -passes=loop-unroll -S | not grep undef2; PR13853 4target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"5target triple = "i686-apple-darwin8"6 %struct.__mpz_struct = type { i32, i32, ptr }7 8 9define void @Foo(ptr %base) {10entry:11 %want = alloca [1 x %struct.__mpz_struct], align 16 ; <ptr> [#uses=4]12 %want1 = getelementptr [1 x %struct.__mpz_struct], ptr %want, i32 0, i32 0 ; <ptr> [#uses=1]13 call void @__gmpz_init( ptr %want1 )14 %want27 = getelementptr [1 x %struct.__mpz_struct], ptr %want, i32 0, i32 0 ; <ptr> [#uses=1]15 %want3 = getelementptr [1 x %struct.__mpz_struct], ptr %want, i32 0, i32 0 ; <ptr> [#uses=1]16 %want2 = getelementptr [1 x %struct.__mpz_struct], ptr %want, i32 0, i32 0 ; <ptr> [#uses=2]17 br label %bb18 19bb: ; preds = %bb, %entry20 %i.01.0 = phi i32 [ 0, %entry ], [ %indvar.next, %bb ] ; <i32> [#uses=1]21 %want23.0 = phi ptr [ %want27, %entry ], [ %want2, %bb ] ; <ptr> [#uses=1]22 call void @__gmpz_mul( ptr %want23.0, ptr %want3, ptr %base )23 %indvar.next = add i32 %i.01.0, 1 ; <i32> [#uses=2]24 %exitcond = icmp ne i32 %indvar.next, 2 ; <i1> [#uses=1]25 br i1 %exitcond, label %bb, label %bb1026 27bb10: ; preds = %bb28 %want2.lcssa = phi ptr [ %want2, %bb ] ; <ptr> [#uses=1]29 call void @__gmpz_clear( ptr %want2.lcssa )30 ret void31}32 33declare void @__gmpz_init(ptr)34declare void @__gmpz_mul(ptr, ptr, ptr)35declare void @__gmpz_clear(ptr)36 37