1; Broken by r326208 2; XFAIL: * 3; RUN: llc -mtriple=hexagon -O3 < %s | FileCheck %s 4; CHECK-NOT: add(r{{[0-9]+}},#2) 5; CHECK-NOT: add(r{{[0-9]+}},#3) 6; CHECK: memub(r{{[0-9]+}}+#2) 7; CHECK: memub(r{{[0-9]+}}+#3) 8 9@g0 = external global i32, align 4 10 11define i32 @f0(ptr nocapture readonly %a0, ptr nocapture readonly %a1) { 12b0: 13 %v0 = getelementptr inbounds i8, ptr %a0, i32 2 14 %v1 = getelementptr inbounds i8, ptr %a1, i32 3 15 br label %b2 16 17b1: ; preds = %b3 18 %v2 = getelementptr inbounds i8, ptr %a0, i32 %v7 19 %v3 = add nuw nsw i32 %v7, 1 20 %v4 = getelementptr inbounds i8, ptr %a1, i32 %v3 21 %v5 = icmp eq i32 %v7, 3 22 br i1 %v5, label %b4, label %b2 23 24b2: ; preds = %b1, %b0 25 %v6 = phi ptr [ %v1, %b0 ], [ %v4, %b1 ] 26 %v7 = phi i32 [ 3, %b0 ], [ %v3, %b1 ] 27 %v8 = phi ptr [ %v0, %b0 ], [ %v2, %b1 ] 28 br label %b3 29 30b3: ; preds = %b3, %b2 31 %v9 = load i8, ptr %v8, align 1 32 %v10 = zext i8 %v9 to i32 33 %v11 = load i8, ptr %v6, align 1 34 %v12 = zext i8 %v11 to i32 35 %v13 = tail call i32 @f1(i32 %v10, i32 %v12) 36 %v14 = icmp eq i32 %v13, 0 37 br i1 %v14, label %b1, label %b3 38 39b4: ; preds = %b1 40 %v15 = tail call i32 @f2(ptr %a0, ptr %a1) 41 %v16 = icmp sgt i32 %v15, 0 42 br i1 %v16, label %b5, label %b6 43 44b5: ; preds = %b4 45 store i32 10, ptr @g0, align 4 46 br label %b6 47 48b6: ; preds = %b5, %b4 49 %v17 = phi i32 [ 1, %b5 ], [ 0, %b4 ] 50 ret i32 %v17 51} 52 53declare i32 @f1(...) 54 55declare i32 @f2(ptr nocapture, ptr nocapture) 56